beginr (version 0.1.7)

tapplydf: a friendly version of tapply for dataframes

Description

a friendly version of tapply for dataframes

Usage

tapplydf(data, select = names(data), myfactor, ..., na.rm = c(TRUE, FALSE, NULL)[1])

Arguments

data

dataframe

select

character, column names to calc

myfactor

a colname as factor

...

function to apply to data

na.rm

logical

Value

a dataframe