plot.data.frame, a method for the
It is designed for a quick look at numeric data frames.
object of class
further arguments to
This is intended for data frames with numeric columns. For more
than two columns it first calls
data.matrix to convert
the data frame to a numeric matrix and then calls
to produce a scatterplot matrix). This can fail and may well be
inappropriate: for example numerical conversion of dates will lose
their special meaning and a warning will be given.
For a two-column data frame it plots the second column against the first by the most appropriate method for the first column.
For a single numeric column it uses
stripchart, and for
other single-column data frames tries to find a plot method for the
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