descriptive.table {Deducer} R Documentation

## Table of Descriptives

### Description

Table of descriptive statistics, possibly stratified

### Usage

descriptive.table(vars,
strata,
data,
func.names = c("Mean","St. Deviation","Median",
"25th Percentile","75th Percentile",
"Minimum","Maximum","Skew","Kurtosis","Valid N"),


### Arguments

 vars A variable or data.frame containing variables on which to run descriptive statistics. data The data frame in which vars is evaluated strata A variable or data.frame containing variables on which to stratify func.names A character vector of built-in statistics func.additional A named list of functions. Each function should take a numeric vector as its argument, and return a single value

### Value

Returns a list of matrix objects containing descriptive information on all variables in dat. One for each level or combination of levels in strata.

frequencies mean by

### Examples

data(mtcars)
##means and standard deviations
descriptive.table(vars = d(mpg,hp),data= mtcars,
func.names =c("Mean","St. Deviation","Valid N"))
##stratifying by cyl
descriptive.table(vars = d(mpg,hp) ,
strata = d(cyl),data= mtcars,
func.names =c("Mean","St. Deviation","Valid N"))

func.list=list(mean.deviance=function(x) mean(abs(x-mean(x))))

##Adding deviance as a statistic
descriptive.table(vars = d(mpg,hp) ,
strata = d(cyl),data= mtcars,
func.names =c("Mean","St. Deviation","Valid N"),func.additional=func.list)


[Package Deducer version 0.7-9 Index]