ran.group: Randomly mix grouped data and return function results
Description
This function is called by rgr.agree (and potentially other functions).
The ran.group function randomly mixes data and applies a function to the pseudo
groups. Pseudo group IDs match real group IDs in terms of size.
Usage
ran.group(x,grpid,fun,...)
Arguments
x
A matrix or vector containing data to be randomly sorted.
grpid
A vector containing a group identifier.
fun
A function to be applied to the observations within each random group.
...
Additional arguments to fun.
Value
References
Bliese, P. D., & Halverson, R. R. (2002). Using random group resampling in multilevel
research. Leadership Quarterly, 13, 53-68.