Flower Length in Tobacco Plants

Distribution of flow lengths in F1 and F2 populations of Nicotiana.

Usage

Tobacco2

Format

A data frame with 617 observations on the following 2 variables.

flower.length: a numeric vector
generation: a factor with levels F1 F2

Source

East, E.M. 1916. Studies on size inheritance in Nicotiana. Genetics 1: 164-176.

References

http://www.genetics.org/content/vol1/issue2/

http://en.wikipedia.org/wiki/Nicotiana

Examples


xtabs(~ flower.length + generation, Tobacco2)
#>              generation
#> flower.length F1 F2
#>            52  0  3
#>            55  4  9
#>            58 10 18
#>            61 41 47
#>            64 75 55
#>            67 40 93
#>            70  3 75
#>            73  0 60
#>            76  0 43
#>            79  0 25
#>            82  0  7
#>            85  0  8
#>            88  0  1
bwplot(flower.length ~ generation, Tobacco2)