Usage
missing.pattern.plot ( data, y.order = FALSE, x.order = FALSE, clustered = TRUE,
xlab = "Index", ylab = "Variable",
main = NULL, gray.scale = FALSE,
obs.col = "blue", mis.col = "red", ... )Arguments
data
data.frame or matrix of data with missing data coded as "NA".
y.order
if TRUE, orders the variable by number of missing value. Default is FALSE.
x.order
if TRUE, orders the data by number of missing value. Default is FALSE.
clustered
if TRUE, data are grouped together with similiar missingness patterns.
xlab
a title for the x axis: see 'title'.
ylab
a title for the y axis: see 'title'.
main
an overall title for the plot: see 'title'.
gray.scale
if TRUE, makes the plot into black and white.
This option overwrites the color specification.
obs.col
color used for observed values. Default is "blue".
mis.col
color used for missing values. Default is "red".
...
additional parameters passed to 'image' function.
