expandFrame {anacor} | R Documentation |
Converts Table to Indicator Matrix
Description
This utility function expands a matrix or data frame to an indicator supermatrix and
optionally converts this to a data frame again. By default NA
becomes zero and constant rows and columns are eliminated.
Usage
expandFrame(tab, clean = TRUE, zero = TRUE, returnFrame = TRUE)
Arguments
tab |
Data frame of dimension n times m with frequencies. Missings are coded as NA . |
clean |
If TRUE , rows and colums with 0 margins in data frame are deleted. |
zero |
If TRUE , NA 's are replaced by 0. |
returnFrame |
If TRUE , a data frame is returned; if FALSE a matrix. |
See Also
burtTable
, mkIndiList
Examples
## Indicator matrix for tocher data
data(tocher)
expandFrame(tocher)
[Package
anacor version 0.9-8
Index]