GLMsData (version 1.4)

pock: Pock counts

Description

In an experiment, ``viral activity was assessed from pock counts at a series of dilutions of the viral medium''

Usage

data(pock)

Format

A data frame with 48 observations on the following 2 variables.

Count

the number of membrane pock counts; a numeric vector

Dilution

the dilution factor; a numeric vector

Details

The data come from a titration bioassay, in which viral activity was assessed from pock counts at different dilutions of the viral medium.

Examples

data(pock)
with( pock, tapply( Count, list(Dilution), mean) )
with( pock, tapply( Count, list(Dilution), var) )