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IBM C2020-010 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Data Understanding and Preparation | - Data import and data sources - Data cleansing and transformation - Data exploration and visualization |
| Topic 2: Modeling and Analysis | - Model evaluation and deployment - Predictive modeling techniques |
| Topic 3: SPSS Modeler Solutions and Applications | - Applying analytics methodologies - Business analytics use cases |
| Topic 4: SPSS Modeler Fundamentals | - SPSS Modeler interface and navigation - Streams, nodes, and palettes |
IBM SPSS Modeler Professional v2 Sample Questions:
1. 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) A partial outer join.
B) An inner join.
C) An anti-join.
D) A full outer join.
2. In the Aggregate node, when you click on Preview button, which statement is true?
A) The preview will always be after aggregation.
B) The Aggregate node does not have a Preview option.
C) The preview will by default be before aggregation but that can be changed.
D) The preview will always be before aggregation.
3. In the Two Step node shown below, what does Standardize numeric fields mean?
A) Limit the number of created clusters.
B) Transform the numeric fields to a scale with a mean of zero and a variance of one.
C) Use only the numeric fields that have the same scale.
D) Eliminate outliers to improve results.
4. 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) sum_n([A, B, C, D])
B) to_real(A) + to_real(B) + to_real(C) + to_real(D)
C) Sum_n((ABCIJ))
D) A+B+C+D
5. Generally speaking, to modify values in columns of a working data file, you would use nodes from which palette or menu group?
A) Export
B) Sources
C) Record Ops
D) Field Ops
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: A | Question # 3 Answer: B | Question # 4 Answer: A | Question # 5 Answer: D |
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