regression imputation

How Does Regression Imputation Work?

Regression imputation works by using a regression equation derived from the observed data to predict the missing values. For instance, if we are missing a patient's blood pressure reading, we can use their age, weight, and other available health indicators to estimate the missing value. The process generally involves the following steps:
Identify the variables with missing values.
Select predictor variables that are correlated with the missing variable.
Develop a regression model using the predictor variables.
Use the model to estimate and impute the missing values.

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