mtabulate: Tabulate Frequency Counts for Multiple Vectors
In trinker/qdapTools: Tools for the 'qdap' Package

mtabulate

R Documentation

Tabulate Frequency Counts for Multiple Vectors

Description

Similar to tabulate that works on multiple vectors.

Usage

mtabulate(vects)

Arguments

vects

A vector, list, or data.frame of named/unnamed vectors.

Value

Returns a data.frame with columns equal to number of unique elements and the number of rows equal to the the original length of the vector, list, or data.frame (length equals ncols in data.frame). If list of vectors is named these will be the rownames of the dataframe.

Author(s)

Joran Elias and Tyler Rinker <tyler.rinker@gmail.com>.

References

https://stackoverflow.com/a/9961324/1000343

Examples

mtabulate(list(w=letters[1:10], x=letters[1:5], z=letters))
mtabulate(list(mtcars$cyl[1:10]))

## Dummy coding
mtabulate(mtcars$cyl[1:10])
mtabulate(CO2[, "Plant"])

dat <- data.frame(matrix(sample(c("A", "B"), 30, TRUE), ncol=3))
mtabulate(dat)
t(mtabulate(dat))
counts2list(mtabulate(dat))

trinker/qdapTools documentation built on May 13, 2023, 11:27 a.m.