Missing data pattern
Obtain a plot of the pattern of missing data and/or return the pattern as a matrix.
md_pattern(data, color = c(grDevices::grey(0.1), grDevices::grey(0.7)), border = grDevices::grey(0.5), plot = TRUE, pattern = FALSE, print_xaxis = TRUE, ylab = "Number of observations per pattern", print_yaxis = TRUE, legend.position = "bottom", ...)
data |
data frame |
color |
vector of length two, that specifies the colour used to indicate observed and missing values (in that order) |
border |
colour of the grid |
plot |
logical; should the missing data pattern be plotted?
(default is |
pattern |
logical; should the missing data pattern be returned as
matrix? (default is |
print_xaxis, print_yaxis |
logical; should the x-axis (below the plot) and y-axis (on the right) be printed? |
ylab |
y-axis label |
legend.position |
the position of legends ("none", "left", "right", "bottom", "top", or two-element numeric vector) |
... |
optional additional parameters, currently not used |
This function requires the ggplot2 package to be installed.
See the vignette Visualizing Incomplete Data for more examples.
op <- par(mar = c(3, 1, 1.5, 1.5), mgp = c(2, 0.6, 0)) md_pattern(wideDF) par(op)
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