missing_data_plot {sparseDFM}

Plot the missing data in a data matrix/frame

Description

Visualise the amount of missing data in a data matrix or data frame.

Usage

missing_data_plot(
  data,
  present.colour = "grey80",
  missing.colour = "grey20",
  use.names = TRUE
)

Arguments

data

Numeric matrix or data frame with NA for missing values.

present.colour

The colour for data that is present. Default is 'grey80'.

missing.colour

The colour for data that is missing. Default is 'grey20'.

use.names

Logical. Label the axis with data variables names. Default is TRUE. Set to FALSE to remove.

Value

A matrix plot showing where missing data is present.