Skip to contents

Asymmetry of Brodmann's area 44 in 20 chimpanzees.

Usage

ChimpBrains

Format

A data frame with 20 observations on the following 3 variables.

name

name of chimp

sex

a factor with levels F and M

asymmetry

asymmetry score

Source

Cantalupo, C. and W.D. Hopkins. 2001. Asymmetric Broca's area in great apes. Nature 414: 505.

Examples


xyplot(asymmetry ~ sex, ChimpBrains)

aggregate(asymmetry ~ sex, ChimpBrains, FUN = favstats)
#> Warning: corrupt data frame: columns will be truncated or padded with NAs
#>   sex asymmetry
#> 1   F      -0.3
#> 2   M     -0.25
summary(asymmetry ~ sex, ChimpBrains, fun = favstats)
#>  Length   Class    Mode 
#>       3 formula    call