impute_group_mean: Imputation using by-group mean.

In abrahamalex13/doPrepExplore: Standard Data Preparation/Exploration Workflows

Description

Imputation using by-group mean.

Usage

impute_group_mean(x, varnames_impute, varnames_grp, pre_df_means = NULL)

Arguments

x	Data frame with missing values, and those values for imputation calculations.
varnames_impute	Vector of variable name(s) with missing values to be imputed.
varnames_grp	Vector of variable name(s) used for grouping.
pre_df_means	Existing data frame of by-group means, if available.

Value

A list of associated imputation objects:

• (If pre_df_means not specified) df_means, data frame of by-group means.

• M, data frame of T/F, indicating: this cell was missing originally.

• df_impute, imputations overwritten for missing values of original input 'df'.

abrahamalex13/doPrepExplore documentation built on Jan. 27, 2021, 4:30 a.m.