variable.summary: Basic summary information of the variables of a data frame
Description
The function returns a data frame where, the row names correspond to the
variable names, and a set of columns with summary information for each
variable. Its purpose is to allow the user to quickly scan the data frame
for potentially problematic variables.
Usage
variable.summary(dframe)
Arguments
Value
The returned data frame contains the variables Class (numeric, integer,factor,
or character), missing values), Levels (the levels of a factor variable, or NA for non-factor
variables), Min.Level.Size (the number of cases for the smallest level of a
factor, or NA for a non-factor), Mean (the mean of non-missing cases for a
numeric or integer variable, or NA for factor and character variables), and SD
(the standard deviation of non-missing cases for a numeric or integer variable,
or NA for factor and character variables).