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).

Author(s)

Dan Putler

Examples

  data(CCS)
  variable.summary(CCS)

Results

R version 3.3.1 (2016-06-21) -- "Bug in Your Hair"
Copyright (C) 2016 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> library(BCA)
Error in library(BCA) : there is no package called 'BCA'
Execution halted