Wrapper for `tapply`

.

Tapply(.x, index, .f = NULL, ..., simplify = TRUE)

## Arguments

.x |
A vector. |

index |
List of one or more factors, each of same length as .x. The elements are coerced to factors by as.factor. |

.f |
A function to be applied. |

... |
Optional arguments to .f. |

simplify |
If FALSE, tapply always returns an array of mode "list". If TRUE (the default), then if FUN always returns a scalar, tapply returns an array with the mode of the scalar. |

## See also

`tapply`

for code and documentation.

Other functionals: `Apply`

;
`Lapply`

; `Mapply`

;
`Sapply`

; `Vapply`