OpasnetUtils/Tapply
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Description
tapply of ovariables applies a function to each cell of a ragged array, that is to each (non-empty) group of values given by a unique combination of the levels of certain factors.
Parameters
- X an ovariable
- (other parameters are as in generic tapply)
Code
https://www.opasnet.org/svn/opasnet_utils/trunk/R/Tapply.r