December 2017
Beginner to intermediate
238 pages
5h 35m
English
Content preview from IBM SPSS Modeler Essentials
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The Quality tab
The Quality tab of the Data Audit node output focuses on identifying outliers and missing data. It provides the number and percentages of valid values, as well as a breakdown of the different types of missing values:
- Click on the Quality tab.
Lets look at some additional information:
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- Outliers and Extremes show how many outliers and extreme values correspond to each field. Outliers and extremes only apply to Continuous fields, and the definitions of these values were defined in the Quality tab of the Data Audit node (by default, outliers are defined as values more than three standard deviations from the mean, and extremes are defined as values more than five standard deviations from the mean).
- Action allows users to ...
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