The only thing one can do when building an index with missing data is drop cases where data is missing.

Name: The only thing one can do when building an index with missing data is drop cases where data is missing.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

There are various techniques that can be used to handle missing data when building an index, such as imputation or using statistical methods to estimate the missing values. Dropping cases with missing data can result in a biased or incomplete index.

The Only Thing One Can Do When Building an Index