summary.data.frame
Summary of a Data Frame Object
Description
Provides the summary messages for a data frame object.
If object is a matrix, it will be converted to a data.frame
with as.data.frame and passed to the data.frame method.
Usage
summary.data.frame(object, maxsum = 7L,
digits = max(3L, getOption("digits") - 3L), ...)
summary.matrix(object, ...)
Arguments
object |
an object that inherits from "data.frame" or "matrix".
|
maxsum |
the maximum number of levels of factor columns to be shown in the result.
The first maxsum-1 levels are shown and the rest of levels
will be combined in one cell named "(Other)".
this argument is passed to summary.factor.
See summary.factor.
|
digits |
the results for numeric data will be rounded to digit significant digits.
|
... |
additional arguments to pass to or from other methods.
|
Details
This is a method for the function summary() for data.frames and matrices:
it should not be called directly but via the generic summary function,
which will choose the appropriate method.
See summary for the general behavior of this function.
Value
a summary object of class "table" that contains components specific
to a data frame.
See Also
Examples
summary(Sdatasets::iris)
summary(Sdatasets::iris, maxsum = 2, digits = 2)