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IBM SPSS Modeler Professional v2 Sample Questions:
1. In the Regression node, which option uses all of the input fields in the model regardless of importance or significance?
A) Forwards
B) Stepwise
C) Backwards
D) Enter
2. Assume you have four fields, 4, A, C and D and you wish to find the sum of the values even if there are $null$ missing values in one or more fields. Which expression would accomplish this task?
A) to_real(A) + to_real(B) + to_real(C) + to_real(D)
B) Sum_n((ABCIJ))
C) A+B+C+D
D) sum_n([A, B, C, D])
3. True or false: business objectives are the origin & every data mining solution.
A) True
B) False
4. Assume you have two data files: a personnel file with information about employees and a second file with information about performance categories. You will use IBM SPSS Modeler to merge the files together using performance category as the key. However, there are inconsistencies in the category keys used in both the personnel file and the performance file. In order to merge the files together without losing information from either the personnel file or the performance category file, you would use:
A) An anti-join.
B) An inner join.
C) A full outer join.
D) A partial outer join.
5. The Distribution node produces which output? (Choose two.)
A) Chart showing the distribution for a continuous field
B) Summary statistics for a continuous field
C) Chart showing the count for each category of a field
D) Table displaying the percentage and count for each category of a field
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: D | Question # 3 Answer: A | Question # 4 Answer: C | Question # 5 Answer: C,D |
By Wilbur
