R: Habitat preferences of lizards

lizards {brglm2} | R Documentation

## Habitat preferences of lizards

### Description

The lizards data frame has 23 rows and 6 columns. Variables `grahami` and `opalinus` are counts of two lizard species at two different perch heights, two different perch diameters, in sun and in shade, at three times of day.

### Usage

    lizards

### Format

An object of class `data.frame` with 23 rows and 6 columns.

### Details

- grahami. count of grahami lizards

- opalinus. count of opalinus lizards

- height. a factor with levels `<5ft`, `>=5ft`

- diameter. a factor with levels `<=2in`, `>2in`

- light. a factor with levels `sunny`, `shady`

- time. a factor with levels `early`, `midday`, `late`

### Source

McCullagh P, Nelder J A (1989) _Generalized Linear Models_ (2nd Edition). London: Chapman and Hall.

Originally from

Schoener T W (1970) Nonsynchronous spatial overlap of lizards in patchy habitats. _Ecology_ *51*, 408-418.

### See Also

`brglm_fit`

[Package brglm2 version 0.8.2 Index]