Question No. 1

How many stages are there in the CRISP-DM process model?

A4

B6

C8

D10

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Correct Answer: C

Question No. 2

Which statement is true about association models?

AAssociation models associate a particular conclusion, such as the decision to buy something with a set of conditions.

BThe Regression node can directly generate an association model.

CTheApriori node does not require one or more target (consequent) fields to build an association model.

DTheCarma node requires both one or more input fields and one or more target (consequent) fields to build an association model.

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Correct Answer: D

http://www-01.ibm.com/support/knowledgecenter/SS3RA7_15.0.0/com.ibm.spss.modeler.help/carmanode_general.htm

Question No. 3

You have two data sets. One data set contains customer name and age information along with a customer ID. The second data set contains the customer ID along with address information. There are no addresses which do not belong to a customer, there are customers which have no address, and there are customers which have multiple addresses.

Which type of join will display all customers who have no recorded address?

AInner join

BOuter join

CPartial outer join

DAnti-join

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Correct Answer: C

Question No. 4

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

AThe estimation method of coefficient is ordinary least squares.

BMethods for variable entry and removal are Enter Stepwise, Forward, and Backward.

CThe calculation of the predictor importance is based on Regression Sum-of-Squares.

DAdjusted R-Squared is not a measure for Goodness-of-Fit.

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Correct Answer: B, C

http://www-01.ibm.com/support/knowledgecenter/SSLVMB_21.0.0/com.ibm.spss.statistics.help/linear_regression_methods.htm

Question No. 5

Which statement is correct about the Reclassify node?

AThe Reclassify node automatically creates new nominal fields based on the values of one or more existing continuous (numeric range) fields.

BThe Reclassify node enables the transformation from one set of categorical values to another.

CThe Reclassify node can be used to reduce the number of fields (columns) in the data.

DThe Reclassify node can be used to reduce the number of records (rows) in the data.

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Correct Answer: A

http://www-01.ibm.com/support/knowledgecenter/SS3RA7_17.0.0/clementine/derive_overview.html

Free IBM C2090-930 Exam Actual Questions

The questions for C2090-930 were last updated On Jan 14, 2025