Statistics of data grouped by factors
tapply.stat This process lies in finding statistics
which consist of more than one variable, grouped or crossed
by factors. The table must be organized by columns between
variables and factors.
tapply.stat(y, x, stat = "mean")
y |
Data.frame variables. |
x |
Data.frame factors. |
stat |
Method. |
y Numeric x Numeric stat method = "mean", ...
Eric B Ferreira, eric.ferreira@unifal-mg.edu.br
Denismar Alves Nogueira
Portya Piscitelli Cavalcanti (Adapted from Felipe de Mendiburu - GPL)
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