Question

Explain imputation and list the different imputation techniques

Answer 1

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Here is ur answer :

imputation is the process of replacing missing data with substituted values. When substituting for a data point, it is known as "unit imputation"; when substituting for a component of a data point, it is known as "item imputation".

Because missing data can create problems for analyzing data, imputation is seen as a way to avoid pitfalls involved with listwise deletion of cases that have missing values.

Imputation preserves all cases by replacing missing data with an estimated value based on other available information.

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