Complete SAS Programming Guide - Learn SAS and Become a Data Ninja - Categorical Inputs

Complete SAS Programming Guide - Learn SAS and Become a Data Ninja - Categorical Inputs

Assessment

Interactive Video

Computers

10th - 12th Grade

Hard

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The video tutorial discusses techniques for handling categorical inputs, focusing on dimension reduction. It covers methods to reduce variables, such as removing those with high missing rates or redundant levels. Crosstab analysis is introduced for feature selection, highlighting its use in identifying impactful predictor variables. The tutorial also explains collapsing categorical variables to improve algorithm efficiency and demonstrates creating dummy variables in SAS for logistic regression.

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What new insight or understanding did you gain from this video?

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