ForImp (version 1.0.3)

missingness: Missing values

Description

Summary for the missing values in a matrix

Usage

missingness(mat)

Arguments

mat

a matrix/dataframe with missing values

Value

number_of_missing_values

Total number of missing values in the matrix

missing_values_per_unit

Number of units with a certain number of missing values

missing_values_per_variable

Number of missing values for each variable

Details

The function provides a summary for the missing values in a matrix (units for variables)

Examples

n<-100
m<-3
mat<-matrix(rnorm(n*m),n,m)
nummissing<-50
index<-sample(n*m,nummissing,replace=FALSE)
mat[index]<-NA
missingness(mat)