Session 5 Training andDevelopment_Final
gpt3.5工作原理

gpt3.5工作原理GPT-3.5是OpenAI发布的第三代语言模型,它利用深度学习技术,能够实现自然语言处理(NLP)任务的精准识别和处理。
与以往的模型相比,GPT-3.5集成了一系列技术创新,可以更好地理解自然语言,生成高质量的文本内容,具有更广泛的应用前景。
GPT-3.5是基于神经网络的模型,其工作原理可以分为训练阶段和测试阶段。
在训练阶段,OpenAI采用了大量的语料库来训练模型,通过对海量数据的学习和分析,模型逐渐学会了语言的各种规则、语法和语义,可以识别和理解自然语言中的词汇、短语和句子结构。
具体地说,训练阶段的主要步骤包括:1.数据预处理。
首先要对原始语料进行分词、词性标注、去除停用词等预处理操作,以便更好地对文本数据进行分析和处理。
2.搭建模型。
GPT-3.5采用了Transformer结构,其中包括多层神经网络,用于对输入的文本序列进行编码和解码。
3.监督学习。
在训练阶段,我们需要为模型提供大量的标注数据,以便模型自动学习自然语言处理的规则和知识。
OpenAI采用的是监督学习的方式,通过输入一组文本对和对应的标签,让模型不断学习和优化。
4.模型评估。
为了确保模型的质量和准确性,我们需要对训练好的模型进行评估和测试。
通常采用的是交叉验证和测试集评估的方法,将数据集分成训练集和测试集,并使用测试集上的数据来评估模型的性能,检查其预测结果和实际标签之间的匹配情况。
在测试阶段,GPT-3.5可以实现多样式的任务,例如文本生成、情感分析、机器翻译、语音识别等。
具体来说,测试阶段的主要步骤包括:1.输入文本。
用户输入一段自然语言文本,作为模型输入。
模型会根据输入的文本内容和上下文理解其含义和意图。
2.文本处理。
模型对输入的文本进行分词、词性标注、语法分析等操作,以便更好地理解文本与语义。
3.模型生成。
在对文本进行处理后,模型会进行计算和推理,根据已有的知识和规则,生成有意义的文本输出。
输出的文本内容可以是自然语言,也可以是数字、符号等其他形式的信息,具有很高的准确性和可读性。
数据挖掘与数据分析,数据可视化试题

数据挖掘与数据分析,数据可视化试题1. Data Mining is also referred to as ……………………..data analysisdata discovery(正确答案)data recoveryData visualization2. Data Mining is a method and technique inclusive of …………………………. data analysis.(正确答案)data discoveryData visualizationdata recovery3. In which step of Data Science consume Almost 80% of the work period of the procedure.Accumulating the dataAnalyzing the dataWrangling the data(正确答案)Recapitulation of the Data4. Which Step of Data Science allows the model to consistently improve and provide punctual performance and deliverapproximate results.Wrangling the dataAccumulating the dataRecapitulation of the Data(正确答案)Analyzing the data5. Which tool of Data Science is robust machine learning library, which allows the implementation of deep learning ?algorithms. STableauD3.jsApache SparkTensorFlow(正确答案)6. What is the main aim of Data Mining ?to obtain data from a less number of sources and to transform it into a more useful version of itself.to obtain data from a less number of sources and to transform it into a less useful version of itself.to obtain data from a great number of sources and to transform it into a less useful version of itself.to obtain data from a great number of sources and to transform it into a more useful version of itself.(正确答案)7. In which step of data mining the irrelevant patterns are eliminated to avoid cluttering ? Cleaning the data(正确答案)Evaluating the dataConversion of the dataIntegration of data8. Data Science t is mainly used for ………………. purposes. Data mining is mainly used for ……………………. purposes.scientific,business(正确答案)business,scientificscientific,scientificNone9. Pandas ………………... is a one dimensional labeled array capable of holding data of any type (integer, string, float, python objects, etc.).Series(正确答案)FramePanelNone10. How many principal components Pandas DataFrame consists of ?4213(正确答案)11. Important data structure of pandas is/are ___________SeriesData FrameBoth(正确答案)None of the above12. Which of the following command is used to install pandas?pip install pandas(正确答案)install pandaspip pandasNone of the above13. Which of the following function/method help to create Series? series()Series()(正确答案)createSeries()None of the above14. NumPY stands for?Numbering PythonNumber In PythonNumerical Python(正确答案)None Of the above15. Which of the following is not correct sub-packages of SciPy? scipy.integratescipy.source(正确答案)scipy.interpolatescipy.signal16. How to import Constants Package in SciPy?import scipy.constantsfrom scipy.constants(正确答案)import scipy.constants.packagefrom scipy.constants.package17. ………………….. involveslooking at and describing the data set from different angles and then summarizing it ?Data FrameData VisualizationEDA(正确答案)All of the above18. what involves the preparation of data sets for analysis by removing irregularities in the data so that these irregularities do not affect further steps in the process of data analysis and machine learning model building ?Data AnalysisEDA(正确答案)Data FrameNone of the above19. What is not Utility of EDA ?Maximize the insight in the data setDetect outliers and anomaliesVisualization of dataTest underlying assumptions(正确答案)20. what can hamper the further steps in the machine learning model building process If not performed properly ?Recapitulation of the DataAccumulating the dataEDA(正确答案)None of the above21. Which plot for EDA to check the dependency between two variables ? HistogramsScatter plots(正确答案)MapsTime series plots22. What function will tell you the top records in the data set?shapehead(正确答案)showall of the aboce23. what type of data is useful for internal policymaking and business strategy building for an organization ?public dataprivate data(正确答案)bothNone of the above24. The ………… function can “fill in” NA valueswith non-null data ?headfillna(正确答案)shapeall of the above25. If you want to simply exclude the missing values, then what function along with the axis argument will be use?fillnareplacedropna(正确答案)isnull26. Which of the following attribute of DataFrame is used to display data type of each column in DataFrame?DtypesDTypesdtypes(正确答案)datatypes27. Which of the following function is used to load the data from the CSV file into a DataFrame?read.csv()readcsv()read_csv()(正确答案)Read_csv()28. how to Display first row of dataframe ‘DF’ ?print(DF.head(1))print(DF[0 : 1])print(DF.iloc[0 : 1])All of the above(正确答案)29. Spread function is known as ................ in spreadsheets ?pivotunpivot(正确答案)castorder30. ................. extract a subset of rows from a data fram based on logical conditions ? renamefilter(正确答案)setsubset31. We can shift the DataFrame’s index by a certain number of periods usingthe …………. Method ?melt()merge()tail()shift()(正确答案)32. We can join melted DataFrames into one Analytical Base Table using the ……….. function.join()append()merge()(正确答案)truncate()33. What methos is used to concatenate datasets along an axis ?concatenate()concat()(正确答案)add()merge()34. Rows can be …………….. if the number of missing values is insignificant, as thiswould not impact the overall analysis results.deleted(正确答案)updatedaddedall35. There is a specific reason behind the missing value.What stands for Missing not at randomMCARMARMNAR(正确答案)None of the above36. While plotting data, some values of one variable may not lie beyond the expectedrange, but when you plot the data with some other variable, these values may lie far from the expected value.Identify the type of outliers?Univariate outliersMultivariate outliers(正确答案)ManyVariate outlinersNone of the above37. if numeric values are stored as strings, then it would not be possible to calculatemetrics such as mean, median, etc.Then what type of data cleaning exercises you will perform ?Convert incorrect data types:(正确答案)Correct the values that lie beyond the rangeCorrect the values not belonging in the listFix incorrect structure:38. Rows that are not required in the analysis. E.g ifobservations before or after a particular date only are required for analysis.What steps we will do when perform data filering ?Deduplicate Data/Remove duplicateddataFilter rows tokeep only therelevant data.(正确答案)Filter columns Pick columnsrelevant toanalysisBring the datatogether, Groupby required keys,aggregate therest39. you need to…………... the data in order to get what you need for your analysis. searchlengthorderfilter(正确答案)40. Write the output of the following ?>>> import pandas as pd >>> series1 =pd.Series([10,20,30])>>> print(series1)0 101 202 30dtype: int64(正确答案)102030dtype: int640 1 2 dtype: int64None of the above41. What will be output for the following code?import numpy as np a = np.array([1, 2, 3], dtype = complex) print a[[ 1.+0.j, 2.+0.j, 3.+0.j]][ 1.+0.j]Error[ 1.+0.j, 2.+0.j, 3.+0.j](正确答案)42. What will be output for the following code?import numpy as np a =np.array([1,2,3]) print a[[1, 2, 3]][1][1, 2, 3](正确答案)Error43. What will be output for the following code?import numpy as np dt = dt =np.dtype('i4') print dtint32(正确答案)int64int128int1644. What will be output for the following code?import numpy as np dt =np.dtype([('age',np.int8)]) a = np.array([(10,),(20,),(30,)], dtype = dt)print a['age'][[10 20 30]][10 20 30](正确答案)[10]Error45. We can add a new row to a DataFrame using the _____________ methodrloc[ ]iloc[ ]loc[ ](正确答案)None of the above46. Function _____ can be used to drop missing values.fillna()isnull()dropna()(正确答案)delna()47. The function to perform pivoting with dataframes having duplicate values is _____ ? pivot(unique = True)pivot()pivot_table(unique = True)pivot_table()(正确答案)48. A technique, which when performed on a dataframe, rearranges the data from rows and columns in a report form, is called _____ ?summarisingreportinggroupingpivoting(正确答案)49. Normal Distribution is symmetric is about ___________ ?VarianceMean(正确答案)Standard deviationCovariance50. Write a statement to display “Amount” as x-axis label. (consider plt as an alias name of matplotlib.pyplot)bel(“Amount”)plt.xlabel(“Amount”)(正确答案)plt.xlabel(Amount)None of the above51. Fill in the blank in the given code, if we want to plot a line chart for values of list ‘a’ vs values of list ‘b’.a = [1, 2, 3, 4, 5]b = [10, 20, 30, 40, 50]import matplotlib.pyplot as pltplt.plot __________(a, b)(正确答案)(b, a)[a, b]None of the above52. #Loading the datasetimport seaborn as snstips =sns.load_dataset("tips")tips.head()In this code what is tips ?plotdataset name(正确答案)paletteNone of the above53. Visualization can make sense of information by helping to find relationships in the data and support (or disproving) ideas about the dataAnalyzeRelationShip(正确答案)AccessiblePrecise54. In which option provides A detailed data analysis tool that has an easy-to-use tool interface and graphical designoptions for visuals.Jupyter NotebookSisenseTableau DesktopMATLAB(正确答案)55. Consider a bank having thousands of ATMs across China. In every transaction, Many variables are recorded.Which among the following are not fact variables.Transaction charge amountWithdrawal amountAccount balance after withdrawalATM ID(正确答案)56. Which module of matplotlib library is required for plotting of graph?plotmatplotpyplot(正确答案)None of the above57. Write a statement to display “Amount” as x-axis label. (consider plt as an alias name of matplotlib.pyplot)bel(“Amount”)plt.xlabel(“Amount”)(正确答案)plt.xlabel(Amount)None of the above58. What will happen when you pass ‘h’ as as a value to orient parameter of the barplot function?It will make the orientation vertical.It will make the orientation horizontal.(正确答案)It will make line graphNone of the above59. what is the name of the function to display Parameters available are viewed .set_style()axes_style()(正确答案)despine()show_style()60. In stacked barplot, subgroups are displayed as bars on top of each other. How many parameters barplot() functionhave to draw stacked bars?OneTwoNone(正确答案)three61. In Line Chart or Line Plot which parameter is an object determining how to draw the markers for differentlevels of the style variable.?x.yhuemarkers(正确答案)legend62. …………………..similar to Box Plot but with a rotated plot on each side, giving more information about the density estimate on the y axis.Pie ChartLine ChartViolin Chart(正确答案)None63. By default plot() function plots a ________________HistogramBar graphLine chart(正确答案)Pie chart64. ____________ are column-charts, where each column represents a range of values, and the height of a column corresponds to how many values are in that range.Bar graphHistograms(正确答案)Line chartpie chart65. The ________ project builds on top of pandas and matplotlib to provide easy plotting of data.yhatSeaborn(正确答案)VincentPychart66. A palette means a ________.. surface on which a painter arranges and mixed paints. circlerectangularflat(正确答案)all67. The default theme of the plotwill be ________?Darkgrid(正确答案)WhitegridDarkTicks68. Outliers should be treated after investigating data and drawing insights from a dataset.在调查数据并从数据集中得出见解后,应对异常值进行处理。
microsoft 和 linkedin 的生成式 ai 职业要点

microsoft 和linkedin 的生成式ai 职业要点
Microsoft和LinkedIn的生成式AI职业要点课程主要包括以下内容:
1.什么是生成式人工智能:介绍生成式人工智能的基本概念、原理和应用领域。
2.深思熟虑的在线搜索的演变:分析在线搜索技术的发展历程,以及生成式人工智能
在搜索领域的应用和创新。
3.使用微软Bing Chat简化你的工作:介绍如何使用微软的Bing Chat工具来提高工作
效率,包括与AI助手进行交互、获取信息、管理任务等。
4.生成式人工智能时代的伦理:探讨在生成式人工智能时代面临的伦理问题,如数据
隐私、信息安全、人工智能的偏见等,并提出相应的解决方案和道德准则。
5.顶级AI工具的介绍:介绍当前市场上顶级的AI工具和技术,包括自然语言处理、
机器学习、深度学习等,并分析它们在各个行业中的应用和前景。
通过这门课程,学员可以全面了解生成式人工智能的基本原理、应用领域和前沿技术,掌握使用AI工具提高工作效率的方法,并深入思考在生成式人工智能时代面
临的伦理问题。
这对于希望在职业生涯中利用生成式人工智能技术的专业人士来说,将是一门非常有价值的课程。
IBM TRIRIGA 用户体验框架说明书

IBMTCM CommunityProfiles -Communities -WikisIBMTRIRIGA► TRIRIGA Wiki Home► Facilities Management & Space P ...Facilities Maintenance► Environmental & Energy Manage ...► Real Estate Management► Capital Project Management► CAD Integrator-Publisher and BIM► IBM TRI R IGA Connector for Wats ...► IBM TRIRIGA Anywhere► IBM TRI R IGA Application Platform► Release Notes► Media Library► Best Practices► Upgrading► Troubleshooting-UX F rameworkUXArticles► UX A pp Building• UX Perceptive Apps• UX in Foundation Tools• UX A pp Designer ToolsUX B est Practices-UX i n Foundation DocsWhat is the UX f rameworkUX i n Application BuildingUX i n Application Building -C ...UX i n Globalization User Guide• UX i n Object Migration User .. .UX i n User Experience User G .. .UX C omponent Docs► UX T ips & TricksUXVideos• UX A rchivesIndexMembersTrash... Tags Find a Tag.,analysis application availability_sectionbest_practices cad change_managementchanges compare compare_revisionscustomizations customize database db2exchange find_available_times gantt_chartgantt_scheduler group memory_footprintmodifications modify object_labelobject_revision operating_system oracleperformance platform problem_determination reports reservereserve_performance revision revisioningsingle_sign-on snapshot space sql_serversso support systemsystem_performance tags:track_ c ustomizations tri r i Q 8troubleshoot tuning upgrade ux versionversioningCloud List► Members ., -I .. This Wiki -Search Sign in Register Q. 0 Q Log in to participate You are in: IBM TRIRIGA > UX Framework > UX in Foundation Docs > UX in Object Migration User Guide UX in Object Migration User Guide §I Updated 10/8/19 by Jay.Manaloto I Tags: None Page Actions -UX F r amewo r k ux Component Doc See the UX A rticle 5 "Classic Docs & UX" PDF for previous versions of this content. What UX content affected the Object Migration User Guide? The IBM T RIRIGAAP-P-lication Platform 3 Object Migration User G uide [3.6.0 PDF] provides information about moving customized applications from one platform environment to another. Migrating objects > Object migration overview> Object types Exporting objects > Object export overview > Object migration export tips Exporting objects > Object finder search parameters Exporting objects > Specifying objects to add to the export package > Adding UX objects to an export package Importing objects > ComparingNew object types that are supported ■Application ■Object Label ■Web Component New paragraph You can select the Application or Web Component object type to search for and add applications or web components to your export package. By default, all metadata that is related to the application or web component, including dependent metadata, is automatically selected for inclusion in the package. You can use the search parameters to limit the dependent data. New tip: Dictionary Record Data Use the Globalization Manager instead of Object Migration to export and import Dictionary (triDictionaryEntry) record data. If you choose to use Object Migration, make sure to remove existing Dictionary records from the target environment before you import the package that contains your Dictionary records. The Dictionary record name is mapped from a control number. The control number sequence in the source environment might not match the sequence in the target environment; therefore, duplicate records might occur on import. New content for the Module parameter (underlined) This parameter does not display for the object types AP-P-lication, Budget Token, Document, Form Style, Group, Module, Navigation Collection, Navigation Item, Portal, Portal Section, and Web ComP-onent. New content for the Modified By (User) parameter (underlined) The supported object types for this parameter are AP-P-lication, Business Object, Document, Form, Group, Module, Navigation Collection, Navigation Item, Query, Record Data, Web ComP-onent, and Workflow. New content for the Object Label parameter Filter the search to objects that contain a specific object label. This parameter displays for the object types All, Application, Business Object, Form, Module, Report, Web Component, and Workflow. When All is selected, only Application, Business Object, Form, Module, Report, Web Component, and Workflow objects are searched, as they contain object labels. The objects that are not labeled are not searched. This parameter searches only for the objects that currently contain the object label. In Object Label Manager, the Labeled Objects tab for the object label definition contains not only objects that currently have the label but also objects that previously had the label. New topic: Adding UX objects to an export package You can select the A pplication or Web Component object type to search for and add UX applications or web components to your export package. About this task By default, when you select Search, all metadata that is related to the application or web component, including dependent metadata, is automatically selected for inclusion in the package. An Include Dependents check box is displayed when the search completes and the search results contain applications or web components. The check box is selected by default. If you want to limit the dependent data such as Queries, Business Objects, and Workflows in the package, deselect the Include Dependents check box. Then, use the search parameters to search for and add the dependent data that you want. UX dependents of applications andweb components, such as Models and Data Sources, are always included at the time you export the package.The Include Dependents check box is displayed only if your search results containapplication or web component object types. It is only with these object types that dependent data can be automatically selected for inclusion in a package. If your search contains other objects that are not associated with an application or web component, the Include Dependents check box has no bearing on those objects. For those objects, you must use the standard method of using Find Dependencies to locate and add the dependent data that you want. If you select the Application or Web Component object type and add a search term to the Object Name field and select Search, the term is cleared after the results are displayed. The term is cleared so that all dependent objects that are associated with the application or web component are selected, not only those objects whose name contains the term. If you want to go back to your search criteria, select Back.。
brukerin-vivoxtreme小动物活体成像系统标准操作规程(1)

brukerin-vivoxtreme⼩动物活体成像系统标准操作规程(1)Bruker In-Vivo Xtreme⼩动物活体成像系统标准操作规程【⽬的】通过制定本操作规程,规范⼩动物活体成像系统使⽤。
【准备】1、实验试剂(药物、染料、⿇醉剂、⽔、脱⽑膏等);2、实验对象(⼩⿏、⼤⿏、⿊⿏、裸⿏等);3、如需要⽓体⿇醉则要进⾏氧⽓准备,将⿇醉剂倒⼊⿇醉机中,并检查⿇醉机检查窗中液位位于“min”和“Max”之间;⽓体⿇醉前根据室内温度情况酌情打开动物空⽓加热器。
【开机】主机部分:1、打开X-Ray光源,将开关钥匙打到“ON”的位置;2、打开主机,将主机右后⽅的电源开关打到“ON”的位置。
接着打开电脑,等待⽹线图标出现⼀个黄⾊三⾓叹号后,将MI软件打开。
注意:仪器开机以后,需要⼤约20分钟的预冷时间。
附属部分:1、如需要进⾏⽓体⿇醉,则需要打开⿇醉机,并对实验对象进⾏预⿇醉;2、如果需要进⾏三维旋转拍摄,则需准备动物旋转系统(MARS),动物旋转系统的准备需要在不开拍摄软件和MARS控制器按钮打到manual的情况下,先按要求将旋转器安装到暗箱中,然后将按钮打到auto,完成之后即可打开MI软件【拍照】1、将实验对象摆放到托盘中,拍照部位朝下,如拍摄腹部影像,需将实验对象腹部朝下,并将四肢伸展开,然后将托盘放⼊暗箱拍摄位置,放置是托盘缺⼝朝右侧摆放;2、双击桌⾯MI图标,打开MI软件,单击“Capture”按钮,打开拍摄参数设置界⾯;1):拍摄界⾯顶部显⽰仪器型号。
MI软件提供同时拍摄两张图像的功能,即第⼀张图像是Foreground,主图像,第⼆张图像是Background,背景图像。
点击Foreground和Background按钮进⾏切换,对两张图像的拍摄程序分别进⾏编辑。
2):左边第⼀部分File⾥可以执⾏和创建、编辑修改⼀个Protocol,同时,Protocol还可以通过点击软件顶部的⼯具栏中Protocol按钮打开。
Session5BlackBay...

Session 5Black Bay Battery –A strategic innovation simulationDr.Tori HuangChecking in•How did you do with the two test runs?y–Were you fired?–You will get fired when there is a significantlynegative one year, or asales variance in yearconsistently negative sales variance for three years in a row.rowThe session is broken down to two parts Plansparts….Part I•Individual games: limited time (1 hour), unlimited number of runs g (),•In Debrief 1, we will look at the setup of the simulation together and examine some strategies that you used throughout the simulation P t PartII •Team game: 1 run.•You should spend time to discuss your strategy in teams before, during and after running the simulation.•In Debrief 2, we will carefully examine your results (best and worst!) and di f th d l i th i th t d t t th discuss some of the underlying theories that you used to support those strategiesForeground•Black Bay Battery is a manufacturer of NiMH batteries.•As the president of the company, your responsibility is to determine the appropriate timing and level of R&Dd t i th i t ti i d l l fexpenditure for both the existing NiMH battery technologyand a new, potentially disruptive, ultracapacitor (UC) energy new disruptivestorage technology.y p,•You need to analyze information from multiple sources, reflecting the constant evolution of the (potential) market.•You need to consider both the short‐term and long‐term performance of the business.Disruptive vs. Sustaining innovation p g E t bli h d I b t l Established Incumbents nearlyalways winPerformanceOvershooto r m a n c eP e r f Disruptive InnovationDi i E l (lower cost but withlower performance)Disruptive Entrants nearly always winTimemisconceptionCommonp g g Disruptive vs. sustaining technologiesRadical vs. incremental innovationsThe two categorizations are orthogonal axes!i.e. both radical i e and incremental innovationscan be disruptive!Round 1Individual games1 hour, unlimited number of runs= fired and againget do itObjective: Figure out how it works and be able toexplain your strategies.strategiesBack Bay Battery Challenges confronting you Ch ll f ti•The NiMH business starts out looking pretty healthy –NiMH sales into the Power Tools market are growing strongly•Our best customers, Power Tools manufacturers, are generally pretty happy with the NiMH product–But would like to see a little better energy density and recharge times$3.0 –$9.0 M4 –6 years$12.0 –$54.0 M900 –5,200 watthours/kg$$y$$,y$1.0 –$6.0 M5 –8 years$5.0 –$48.0 M530 –1,050 cycles$2.0 –$4.0 M5 –8 years$10.0 –$32.0 M11 –21 months$1.0 –$5.0 M4 –7 years$4.0 –$35.0 M105 –210 minutes$1.0 –$6.0 M4 –7 years$4.0 –$42.0 M10% ‐56% reduction inunit costs$4.0 –$10.0 M5 –7 years$20.0 –$70.0 M900 –1,700 watthours/kg$2.0 –$9.0 M5 –8 years$10.0 –$72.0 M8,750 –17,490 cycles$2.0 –$8.0 M5 –8 years$10.0 –$64.0 M32 –63 months$1.0 –$6.0 M5 –7 $5.0 –$42.0 M9 –17$10$60years$50$420minutes$3.0 –$7.0 M5 –7 years$15.0 –$49.010% –74% reduction inunit costs•There are lots of opportunities to spend money on R&D, but most will take several years to show results•As long as I keep meeting the needs of my best customers, sales and profits should keep growing …•It’s very hard to forecast market turns•The sales decline in NiMH caused a big miss in the NiMH sales estimate, though ultracapacitors exceeded the sales estimate •Probably need to adjust to the new sales trend in the next periodML1幻灯片 15ML1 Note: we need to update the V2 income statement with Contribution Margins to illustrate this point. This change will come in the next iteration.Mahoney, Lin, 2012-2-24•The biggest impact was on the amount of money available to spend on R&DDebrief 1A quicklook at the individual resultsexperience Discussion –your1.What was your strategy?2.What specific information did you pay mostattention to in each round of decision making? 3Wh h h ll i h i l i?3.What were the challenges in the simulation?y gg4.What did you struggle with the most?Keylearning(to take to the next round!)1.……..2.……..3.……..Let s take a short break…Let’s take a short breakRound 2 TeamgameDebrief 2 Performance review and P f i d pp y gapplying theoriesThe Innovators Dilemma •The constant trade‐off associated withg ginvesting enough in the current business to keep it financially healthy, while simultaneously investing enough in new,new disruptive technologies that might allow the firm in play as the market for those to stayproducts materializes.Disruptive Innovationsp Established Incumbents nearlyalways winn c ePerformanceOvershootP e r f o r m a Disruptive Innovationp (lower cost but withlower performance)Disruptive Entrants nearly always win•But innovations Timeas is generally the case with disruptive innovations, ultracapacitors are “not good enough” for most markets initially–Though there are some people who are buying them!•Pay attention to the improvement trajectoryThere’s enoughThere s never R&D money•If you spread your investments too thin, or you don’t stay the course on programs, it’s hard to get the feature performance improvement as early as you might like it (or need it!)l i h lik i(d i!)More on R&D•Some features are not valued by customersf l d band therefore not worth investing in •There is a threshold you must spend to see results•There is a time lag in its effect•Most of you were fairly focused in your investment strategy however did noti d ti i t(t experience drastic improvement (see next slide)None of you achieved performance improvement like this….Why?•Carefully managing the number and timing of R&D investments is the key to delivering performance improvements that matter energy density for example)(ultracapacitor density,“Patient Profit?”Were you Patient for Profit?•Were you willing to lose money on ultracapacitors and forward price them at a loss in order to grab market share?y y p p,y g •Anaya and Raymond decided to forward price ultracapacitors, staying with the initial $20 selling price, which was below variable cost. They invested heavily in ultracapacitor process improvements (topcumulative R&D investment) to bring costs down, and once theystarted seeing a positive gross margin, started dropping their price, but more slowly than costs fell.Onpricing•In fact, none of you raised the initial price ofpUC and continued to operate at a loss for an extended period of time.•A you got right at the few of fired point when your UC can start to turn a profit (i.e. whenh f bl f ll the curves of variable cost and price finally crossed)I not able a with healthy growthwas to identify group in UC sales like this….Tina & Leo•Estimating sales, especially of the emerging technology, ischallenging–Dependent on price relative to market, and the feature performance of your product compared to desired attributes“I fired!”I got fired!•Most managers get fired for missing sales estimates by too much, but you can also get fired for losing money for three years in a rowIs cumulative profit a good measure?•How do we measure managers?What kind of business will you hand to your successor?Which business would you rather take over?•The going forward value of the business is more dependent on g g p strategic position and future prospects than on cumulative earnings from the pastKey from the simulation learning1.Disruptive innovations are often not goodg genough for a firm’s existing best customerslearningKey from the simulation2. Sometimes the best opportunity for a productyis not visible early on, and it takes time to develop. Closely watching the market and building strategy in an emergent way is helpful in these circumstances.learningKey from the simulation3.Getting the timing and level of R&D spendingg y gright is very difficult for a manager. One has to carefully allocate funds based on the state of evolution of firm s strategy.the firm’s strategy….But we have most data about the past!Key from the simulation learning4. The need to meet specific short‐termg p y financial targets can constrain a company’s ability and willingness to innovate.Key from the simulation learning5. When confronted with a potentiallyp gdisruptive innovation, managers are bestpositioned to invest in it when the core businessstill healthy. At time, they need to be healthy the same time“impatient for profit” with the disruptivebusiness trying to get it profitable business, as quickly aspossible.A winning strategy for the simulationIt’s all about balance (and this is hard!)•It’ll b t b l(d thi i h d!)•The best timing to invest in emerging tech….‐> when the core business is still healthy enough to support it!•What to focus on?–Investing in process improvements in NiMH enables the most costreduction–Energy density of UC is another sure bet as the other features already exceed market requirement. Process improvement again improves the cost position.–Think about price.•What to avoid?–Spreading R&D spending too thinly across too many optionsp g p g y y p–All in on UC while ignoring NiMH•Be impatient for profit but patient for innovation.ReadingRecommended•Christensen, C. M., 1997. The innovator’s dilemma: when new technologies cause great firms to fail. Boston: Harvard Business School Publishing.•O’Reilly, C. A., Tushman, M. L., 2008. Ambidexterity as dy a c capab y eso g e o a o sa dynamic capability: Resolving the innovator's dilemma, Research in Organizational Behavior, 28, 185‐206.。
langchain课程大纲

langchain课程大纲1. 课程介绍- LangChain 的概念和背景- 课程目标和预期成果- 需要的先决条件知识(如Python编程基础、基本的自然语言处理知识等)2. 基础知识复习- Python 编程复习- 自然语言处理(NLP)基础- 机器学习和深度学习简介3. LangChain 概述- LangChain 的架构和组件- LangChain 支持的语言模型- LangChain 的安装和配置4. 语言模型简介- 什么是语言模型- 不同类型的语言模型(例如GPT、BERT等)- 语言模型在实际应用中的作用5. LangChain 的核心概念- Agent:理解如何构建和管理Agent- Chain:学习如何定义和使用Chain来连接不同的功能- LLMs(Large Language Models):探索如何集成和使用大型语言模型6. 开发第一个 LangChain 应用- 设置开发环境- 构建一个简单的问答系统- 测试和调试7. 高级特性和定制- 使用缓存和存储- 定制和扩展现有的 Chains- 整合外部API和数据源8. 性能优化和最佳实践- 性能监控和优化技巧- 安全性考虑和最佳实践- 代码质量和可维护性9. 案例研究和项目工作- 分析和讨论现实世界中的 LangChain 应用案例- 小组项目:设计并实现一个复杂的 LangChain 应用 - 项目展示和评审10. 课程总结和未来展望- 课程内容回顾- LangChain 在行业中的应用前景- 继续学习的资源和社区11. 附加资源- 推荐阅读材料- 在线资源和社区- 相关工具和框架介绍。
图像识别中的卷积神经网络应用研究

图像识别中的卷积神经网絡应用研究*张玉红】,白韧祥】,孟凡军2,王思斯3,吴彪3(1吉林建筑大学电气与计算机学院,吉林长春130118$.长春设备工艺研究所,吉林长春130012;3.吉林省乔富建设股份有限公司,吉林长春130000)摘要:传统图像识别方法存在自适应能力弱的问题,如果待识别对象存在较大残缺或者其他外在噪声干扰,模型则无法获得理想结果#最早在图像处理中成功应用的深度学习是人工智能中非常重要的部分#在图像处理中,带有卷积结构的多层网络的卷积神经网络被加拿大教授及其小组成员提出并优化。
在其过程有了突破性发展的情况下,利用卷积神经网络完成了图像识别的设计用以增加模型对图片的识别准确率和在线运算速度,同时减少图像大量特征的提取工作,在识别系统中通过运用随机梯度下降法对系统进行优化,加快模型收敛#根据试验结果,采用卷积神经网络设计的训练模型,对数据集识别的准确率可达到96%,为大规模图像分类更好地发展提供基础支持#关键词:深度学习;神经网络;图像处理;梯度下降;卷积层;池化中图分类号:TP3文献标志码:AResearch on Application of Convolution Neural Network in Image RecognitionZHANG Yuhong1,BAI Renxiang1,MENG Fanjun2,WANG Sisi3,WU Biao3(1.School of Electrical Engineering and Co7puter,Jilin Jianzhu University,Changchun130118,China;2.Changchun Equip7ent Technology Research Institute,Changchun130012,China;3.Jilin Qiaofu Construction Co.,Ltd.,Changchun130000,China)Abstract:The traditional irniage recognition rniethod had the probleirn of weak adaptive ability,if the object to be recog-nizedhadlargedefec5soro5herex5ernalnoisein5erference5he7odelcouldno5ob5ain5heidealresul5s.Thefirs5successful applicaionofdeeplearningini7ageprocessingwasaveryi7por5an5par5ofarificialin5eligence.In5hecaseofi7agepro-cessing convolu5ionneuralne5work wihconvoluions5ruc5ure wasproposedandopi7izedby Canadianprofessorandhis 5ea77e7bers.Under5hebreak5hroughdevelop7en5of5heconvoluionalneuralne5work5hedesignofi7agerecogni5ion wasco7ple5edbyusing5heconvolu5ionneuralne5work5oincrease5heaccuracyof5he7odelrecogniionof5hepic5ureand 5hespeedofonlineoperaion and5oreduce5heex5racion workofalargenu7berofi7agefea5ures.In5heidenifica5ion sys5e75hes5ochasicgradien5descen57e5hodwasused5oopi7ize5hesys5e7andaccelera5e5heconvergenceof5he7odel. According5o5heexperi7en5alresuls byusing5he5raining7odeldesignedbyconvoluionneuralne5work5heaccuracyof da5ase5recogniioncouldreach5o96%whichprovidedbasicsuppor5for5hebe5erdevelop7en5oflarge-scalei7ageclassi-ficaion.Keywords:deeplearning neuralne5works i7ageprocessing gradien5descen5convolu5ionlayer pooling当今社会的计算机技术不断发展,图像识别技术在许多领域中得到了应用#1950年,手写的字体可以通过图像识别技术进行识别#1965年,人们开始着手数字化图像领域的识别研究#数字化图像有下述几种优势:便于缩减存储空间,不易失真,图片处理起来比较容易等#这些优点促进了该领域的发展#目前对图像识别的方法有统计模式识别、结构模式识别、模糊模式识别和深度学习#深度学习是人工智能中十分重要的部分,且最早在图像处理中得以成功应用。
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Training and DevelopmentCuilian Zhang (张翠莲)Chongqing UniversityE-mail: zhangcuilian@1Outline•Introduction to orienting and training employees •Analyzing training needs•Designing training program•Implementing training program•Evaluating training program21. Introduction to Orienting And Training Employees3Employee Orientation•Employee orientation provides new employees with the necessary information on their organizations and jobs they need to know.•It helps new employees become familiar with their work and also helps them start getting emotionally attached to their organizations.4Purposes of Employee Orientation5Employee Orientation ProcessSafety measuresand regulationsEmployee benefit informationDaily routine6Video: Orientation in A Foreign Firm7Orientation in CQU8Video: Workplace Socialization9Training and Development•Training is the process of teaching new or current employees the skills they need to perform their jobs•Development involves learning that goes beyond today’s job and has a more long-term focusWhy Shall Organizations Provide Training •Economic, social, technological, and government changes can make the skills learned today obsolete in the future•Planned organizational changes (such as the introduction of new equipment) can make it necessary for employees to update their skills or acquire new ones•Performance problems can be reduced by training•Improve staff morale•Regulatory, contracted, professional, or certification issues can require an employer to provide training for its employees11Problems of Training in Chinese Firms 12A survey of 3000 HR directors and training managersProblems of Training in Chinese Firms13Problems of Training in Chinese Firms14Problems of Training in Chinese Firms15Problems of Training in Chinese Firms16The Importance of Training & Development •For organizationsØLong-term cost reduction: good trainees®10%-15%, great trainees®30%ØGains: 1 Yuan investment®25 Yuan gainsØEfficiency: great trainees®6 times-ØOrganizational cultureØLearning organizations (The Fifth Discipline: systems thinking, personal mastery,mental models, building shared vision, team learning)•For individualsØKSAOs (Knowledge, Skills, Abilities, Other characteristics)ØJob satisfactionØOrganizational commitmentØLong-term career management17Training, Learning, and Motivation •Make the learning meaningful•Make skills transfer easyØPositive transfer of training is defined as the degree to which trainees effectively apply the knowledge, skills, and attitudes gained in atraining to the jobØMaximize the similarity between training and realistic job situations ØProvide enough practices in training•Reinforce the learning (praise and recognition are two typical rewards that used in training)18A Model of Training Effectiveness 19Noe and Colquitt (2002)Steps in the Training Process12342. Analyzing Training Needs211 2 3 4Analyzing Training NeedsPerformance Analysis:Assessing currentemployees’ training needsTask Analysis: Assessing New Employees’Training Needs•Determine what specific skills the job requires (job descriptions and job specifications are important here)•Overview the competencies needed to do the job via competency model•The required skills and competencies are the basic reference points in determining training24Performance Analysis: Assessing Current Employees’ Training Needs •Performance analysis is the process of verifying that there is a performance deficiency and determining whether the employer should correct such deficiencies through training•The heart of performance analysis is determining why performance is down. Distinguishing between can’t-do and won’t-do problems is therefore crucial.25Performance Analysis: Assessing Current Employees ’ Training Needs Job-Related InterviewsIndividual JobDiaries TestsAnother Model of Analyzing Training Needs McGehee and Thayer (1961)•Organization analysis: Where is training needed within the organization?ØOrganization strategies and objectivesØExternal environmentsØAllocation of resources•Operation analysis: What are the contents of the training?ØStandards of performanceØHow the tasks are to be performed to meet the standardsØThe skills, knowledge, and attitudes necessary•Person analysis: Who needs the training?ØFind out how well each employee is performing the tasksØDecide the employees to be trained27Reading:Moore, M. L., & Dutton, P. (1978). Training needs analysis: Review and critique. Academy of Management Review,3(3), 532-545.28Reading:One example of analyzing training needs via survey29Questions1.What are the problems in this training program?2.How to solve the problems?30Case Discussion: The HR Manager ’s Puzzle3. Designing Training Program311 2 3 4Designing Training Program•Set training objectivesØOrganizational and departmental objectivesØIndividual performance and growth objectives•Work out a training program budgetØBased on sales, profits, employee numbers, and annual training plan •Decide what the actual training content and methods will be ØTypes and methods of trainingØTraining channels: send employees to outside, send trainers to theorganizations, provide training by oneselfØThe selection of trainers: internal or external trainersØTraining time and place33Designing Training ProgramSet training objectives:•Organizational and departmental objectivesØWhat impact will the training have on organizational and department outcomes such as absenteeism, turnover, reduced costs, and improved productivity?•Individual performance and growth objectivesØWhat impact will the training have on the behavioral and attitudinal outcomes of trainees?ØWhat impact will the training have on the personal growth of trainees?34Learning Curve in Training35Length of training(weeks, days, hours, etc.)Training effectivenessDecreasing returns curveLowHighHighü5 daysüInternal trainers: Introduction of the organizational culture and values üShare with top managers and outstanding employees üWatch relevant moviesüExternal trainers: Team cooperation gamesNew employee training process in marketing departmentOne Firm ’s New Employee Training ProgramAiming to help employees familiar with the firm and coworkers, and build belongingnessü7 daysüInternal trainersüCorporate operation and service processes training üProducts knowledge training üLecturesüEvaluation via ExamNew employee training process in marketing departmentOne Firm ’s New Employee Training ProgramAiming to help employees improve general knowledges and skillsü3 monthsüPerform the realistic work as an internüApprenticeship training and mentoringüEvaluation: submit learning plan and summary every week; oral presentation after internshipNew employee training process in marketing departmentOne Firm ’s New Employee Training ProgramAiming to help employees improveprofessional job-related knowledges and skillsOne Firm ’s New Employee Training Programü50 days in Headquarters üAudiovisual-based training in HallüExternal trainers: PPT making and presentation trainingüExternal trainers: Business trainingNew employee training process in marketing departmentAiming to help employees improve communication and marketing skills40Case Discussion: Training at Keller-GlobeQuestion:Please evaluate this training director ’s training schedule.4. Implementing Training Program411 2 3 4Training Methods•On-the-job training •Apprenticeship training •Informal learning •Job instruction training •Lectures •Programmed learning •Audiovisual-based training •Vestibule training •Teletraining and videoconferencing •Electronic performance support systems (EPSS) •Computer-based training (CBT)•Simulated learning•Internet-based training •Learning portals43On-the-job Training Method•On-the-job training: Having a person learn a job by actually doing the job•Types of on-the-job trainingØCoaching or understudyØJob rotationØSpecial assignments•AdvantagesØInexpensiveØLearn by doingØImmediate feedback441Follow upPresent the operationApprenticeship Training•A combination of formal learning and long-term on-the-job training•Have the learner/apprentice study under the guidance of an experienced employees46Job Instruction Training•Many jobs consist of a logical sequence of steps that employees must learn step-by-step. This step-by-step training is called job instruction training.ØList all necessary steps of performing the job in sequence(What to do?)ØList a corresponding “key point” beside each step(how to do?)47Job Instruction Training at UPS48Lectures•Don’t start out on the wrong foot•Give your listeners signals•Be alert to your audience•Maintain eye contact with audience•Make sure everyone in the room can hear•Control your hands•Talk from notes rather than from a script•Break a long talk into a series of five-minute talks•Practice and rehearse your presentation49Programmed Learning •AdvantagesØReduced training timeØSelf-paced learningØImmediate feedbackØReduced risk of error for learner50Allowing theperson torespond。