R: Summary by Population of Other Factor

by.loci {pegas} | R Documentation

## Summary by Population of Other Factor

### Description

This is an implementation of the generic `by` function which applies a function to some data for a each level of a categorical factor.

### Usage

    ## S3 method for class 'loci'
    by(data, INDICES = data$population, FUN = NULL, ..., simplify = TRUE)

### Arguments

`data` | an object of class `"loci"`.
`INDICES` | a vector of the same length as the number of rows in `data`.
`FUN` | a function
`...` | (currently unused).
`simplify` | (currently unused).

### Details

The default `FUN = NULL` calculates allele frequencies for each population in `data`.

### Value

a list by default indexed by locus.

### Author(s)

Emmanuel Paradis

### See Also

`by`

### Examples

    data(jaguar)
    by(jaguar)
    by(na.omit(jaguar))

[Package pegas version 0.13 Index]