Frog_survival {gpk}

Fitting Ricker curve to frog survival data

Description

In natural populations, due to mortality, the number of individuals decreases with age. One popular model for describing this phenomenon is the Ricker curve. The model may or may not give a good fit.

Usage

data(Frog_survival)

Format

A data frame with 8 observations on the following 2 variables.

Age

Age in years

Individuals

Number of individuals

Details

Logarithmic transformation and regression may be attempted on this data set.

Source

http://ces.iisc.ernet.in/hpg/nvjoshi/statspunedatabook/databook.html

Examples

data(Frog_survival)