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Category: C2090-930

Exam C2090-930: IBM SPSS Modeler Professional v3

Which two statements are true about linear regression? (Choose two.)

Which two statements are true about linear regression? (Choose two.) A.The estimation method of coefficient is ordinary least squares. B.Methods for variable entry and removal are Enter Stepwise, Forward, and Backward. C.The calculation of the predictor importance is based on Regression Sum-of-Squares. D.Adjusted R-Squared is not a measure for Goodness-of-Fit. Reference: http://www-01.ibm.com/support/knowledgecenter/SSLVMB_21.0.0/com.ibm.spss.statistics.help/linear_regression_methods.htm

Which two data mining objectives would be consistent with their business goal? (Choose two.)

A client has a business goal of increasing units sold by 10 percent. Which two data mining objectives would be consistent with their business goal? (Choose two.) A.Create a profile of customers most likely to default on their account. B.Create a profile of current high value customers’ purchasing patterns. C.Reduce marketing costs. D.Determine which products […]

Which feature or mode of the Aggregate node would allow you to calculate this using a single node?

You want to calculate the difference between the minimum and maximum values of some of your data fields. Which feature or mode of the Aggregate node would allow you to calculate this using a single node? A.Aggregate expressions B.Median mode C.Default mode D.Key field grouping Reference: ftp://public.dhe.ibm.com/software/analytics/spss/documentation/modeler/15.0/en/UsersGuide.pdf

What is the primary purpose of the Partition node in a modeling effort?

What is the primary purpose of the Partition node in a modeling effort? A.Divide the data into training and testing data. B.Increase the proportion of under-represented subgroups within the data. C.Decrease the proportion of an over-represented subgroup within the data. D.Allow for equal sampling across subgroups within the data. Reference: ftp://public.dhe.ibm.com/software/analytics/spss/documentation/modeler/16.0/en/modeler_nodes_general.pdf


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