SASMinerPredictiveModelingPPT课件

1、Contents01. Presentation sub title01-1. Presentation title01-2. Presentation title02. Presentation sub title04. Link Analysis02-1. Presentation title02-2. Presentation title03-1. Presentation title03-2. Presentation title03. Association Analysis03-1. Presentation title03-2. Presentation title第1页/共15

2、页Overview of Modeling Case Our user-friendly and functional search engine helps you locate the right templates, effectively saving your time.Slide main titleDesign inspiration For presentationTarget: BADA financial company wants to build a model to predict whether an applicant will default. 1 indica

3、tes that the client defaulted on the loan or is seriously delinquent; 0 indicates the opposite.Personal StatusvDEBTINCvJOBvVALUEvREASONvYOJCredit RecordsvCLAGEvCLNOvDELINQvDEROGvNINQvMORTDUEvLOAN第2页/共15页Slide main titleDesign inspiration For presentationPersonal StatusCredit Records DEBTINC-Debt-to-

4、income ratio JOB*-Occupational categories VALUE-Value of the current property REASON*-DebtCon for debt consolidation; HomeImp for home improvement YOJ-Years at the applicants current job CLAGE-Age of the oldest credit line CLNO-Number of credit lines DELINQ*-Number of delinquent credit lines DEROG-N

5、umber of major derogatory reports NINQ-Number of recent credit inquiries MORTDUE-Amount due on the existing mortgage LOAN-Amount requested for the loan BAD-1 indicates that client defaulted on the loan or is seriously delinquent; 0 indicates the opposite.Target第3页/共15页Slide main titleDesign inspirat

6、ion For presentation第4页/共15页Clustering ToolsPart 2 of 4第5页/共15页Problem FormulationA baseball manager wants to identify and group players on the team who are very similar with respect to several statistics of interest. The manager simply wants to identify different groups of players. The manager also

7、 wants to learn what differentiates players in one group from players in a different group.Clustering ToolsDesign inspiration For presentationCareer PerformancePerformance in 1968Below average: 1 and 3 Above Average: 2 and 4Below average: 1 and 2Above Average: 3 and 4RookieYoung and TalentedAlmostRe

8、tiredElite第6页/共15页Association AnalysisPart 3 of 4第7页/共15页Association AnalysisDesign inspiration For presentation A store wants to understand which of its products tend to be purchased together. Its data set lists 200 rules in the input data set. Each rule of the data set represents a customer purcha

9、se item A first and item B second.Problem FormulationThe support percentage for A = B is the percentage of all customers who purchased both A and B. Support is a measure of how frequently the rule occurs in the database.Support(%)01The confidence percentage for A = B is the percentage of all custome

10、rs who purchased both A and B, divided by the number of customers who purchased A.Confidence(%)02The lift of A = B measures the strength of the association. For example, if lift is 2 for A = B, then a customer who purchased A is twice as likely than a customer chosen at random to purchase B.Lift03第8

11、页/共15页Association AnalysisDesign inspiration For presentationLift: 2.38Support: 36.56%Confidence: 82.62%artichoke = HeinekenHeineken = crackercracker = HeinekenIce-cream = cokecoke = ice-creamConfidence: 68.60%avocado = HeinekenSupport: 24.88%Lift: 1.14第9页/共15页Association AnalysisDesign inspiration

12、For presentationPut Heineken shelf close to the artichoke.Bundle Heineken with crackers; bundle ice-cream with coke. Suggestions第10页/共15页Link AnalysisPart 4 of 4第11页/共15页Link AnalysisDesign inspiration For presentationProblem FormulationWeb Log Data SetYou sell books and other publications from your

13、 website. You web log data contains information about the navigation patterns that visitors make within your website. You want to examine the files that are requested. In addition, you want to determine what paths visitors take when they make a purchase.第12页/共15页Link AnalysisDesign inspiration For presentationthe most frequent links which links from Cart.jsp are:Confirm.jsp, Summary.jsp, Billing.jsp, and Shipping.jsp.Items Constellation PlotOther frequent links to Cart.jsp are:Produict.jsp, Home.