Ensurepass

QUESTION 11

Referring to the exhibit, from which node is the output generated and on which data does it show greater accuracy?

 

clip_image002

 

A.

Statistics, 1_Training

B.

Statistics, 2_Testing

C.

Analysis, 1_Training

D.

Analysis, 2_Testing

 

Correct Answer: B

 

 

QUESTION 12

When using IBM SPSS Modeler Professional, you want to organize your streams, annotations, stream output, and results within the interface. Which two tabs within Modeler will allow you to accomplish this goal? (Choose two.)

 

A.

Favorites

B.

CRISP-DM

C.

Classes

D.

Models

 

Correct Answer: BD

 

 

QUESTION 13

You want to create a Filter node to keep only a subset of the variables used in model building, based on predictor importance. Which menu in the model nugget browser provides this functionality?

 

A.

File

B.

Preview

C.

View

D.

Generate

 

Correct Answer: C

 

 

QUESTION 14

An organization wants to determine why they are losing customers. Which supervised modeling technique would be used to accomplish this task?

 

A.

PCA

B.

QUEST

C.

Apriori

D.

Kohonen

 

Correct Answer: C

 

 

QUESTION 15

You are working on a project where the business objective is to increase sales revenue. With which CRISP-DM process model stage would you start?

 

A.

Data Preparation

B.

Data Understanding

C.

Evaluation

D.

Business Understanding

 

Correct Answer: C

 

 

QUESTION 16

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.

 

Correct Answer: BC

Explanation:

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

 

 

QUESTION 17

What is an accurate description of the purpose of data segmentation?

 

A.

Separate an individual data field into a predefined number of equal-sized
groups according to the field values.

B.

Assemble similar data across data sets by using a primary key.

C.

Separate a data set into two equal partitions in preparation for continued analysis.

D.

Group data using one or more fields to produce subsets with similar attributes.

 

Correct Answer: D

 

 

QUESTION 18

Which statement is correct about the Reclassify node?

 

A.

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

B.

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

C.

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

D.

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

 

Correct Answer: A

Explanation:

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

 

 

QUESTION 19

You have a large amount of data from which you want to build a model. Although many of the records of data are complete, there are substantial amounts of records which contain missing data. The records containing incomplete information should be excluded from analysis. Which node will exclude the undesired records?

 

A.

Filler node

B.

Filter node

C.

Select node

D.

Aggregate node

 

Correct Answer: C

 

 

QUESTION 20

An e-retailer conducting a data mining project has limited an initial study to approximately 30,000 customers who have registered on the site. There are still millions of records in the Web logs. The data miner wants to determine the frequency distribution of the age of their customers. The Age column is acontinuous field. Which node would you use to accomplish this task?

 

A.

Sim Fit node

B.

Report node

C.

Histogram node

D.

Transform node

 

Correct Answer: C

 

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