Questions for the C2090-930 were updated on : Sep 01 ,2024
You need to export data using IBM SPSS Modeler Professional.
Which two nodes should be used to accomplish this task? (Choose two.)
A,C
Explanation:
Reference:
ftp://public.dhe.ibm.com/software/analytics/spss/documentation/modeler/16.0/en/modeler_nodes
_general.pdf
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?
C
What is the primary purpose of the Partition node in a modeling effort?
C
Explanation:
Reference:
ftp://public.dhe.ibm.com/software/analytics/spss/documentation/modeler/16.0/en/modeler_nodes
_general.pdf
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?
B
Explanation:
Reference:
ftp://public.dhe.ibm.com/software/analytics/spss/documentation/modeler/15.0/en/UsersGuide.pdf
You have a data set with numeric fields (columns) that contain null values. You want to replace each
of these null values with the value of zero.
Which node will you use to accomplish this task?
C
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.)
B,C
You have a data source which provides many fields needed for data scoring. Some of these fields are
not needed after the scoring is complete for the rest of the stream to operate.
Which node should be used to remove these fields?
B
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 dat
a. The records containing incomplete information should be excluded from analysis.
Which node will exclude the undesired records?
C
You have optimized four models that do not meet your performance goals. You believe that by
mergingthese models together you would achieve better performance.
Which node would allow you to accomplish this task?
D
Which two statements are true about linear regression? (Choose two.)
B, C
Explanation:
Reference:
http://www-
01.ibm.com/support/knowledgecenter/SSLVMB_21.0.0/com.ibm.spss.statistics.help/linear_regressi
on_methods.htm
You need to determine whether a variable should be removed in the stepwise variable selection
methods in logistic regression.
Which two metrics are used to accomplish this task? (Choose two.)
A, D
Referring to the exhibit, from which node is the output generated and on which data does it show
greater accuracy?
B
How many stages are there in the CRISP-DM process model?
C
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?
C
Which palette contains the Data Audit node?
A
Explanation:
Reference:
http://www-01.ibm.com/support/knowledgecenter/SS3RA7_17.0.0/clementine/record_ops_nodes.html