mixdist (version 0.5-5)

pikeraw: A Sample of Pike Lengths

Description

The data give the lengths of 523 pike (Esox lucius), sampled in 1965 from Heming Lake, Manitoba, Canada. There are known to be five age-groups in the sample. For each fish, the age group is determined by scale reading.

The pikeraw data frame has 523 rows and 2 columns.

Usage

data(pikeraw)

Format

This data frame contains the following columns:

length

the lengths of 523 pike

age

the age groups of 523 pike

References

Macdonald, P.D.M. (1987). Analysis of length-frequency distributions. In R.C. Summerfelt and G.E. Hall [editors], Age and Growth of Fish, Iowa State University Press, Ames, Iowa. pp 371-384.

http://www.math.mcmaster.ca/peter/mix/demex/expike.html

Examples

# NOT RUN {
data(pikeraw)
# }