cabbages {MASS} | R Documentation |
The cabbages
data set has 60 observations and 4 variables
Cult |
Factor giving the cultivar of the cabbage, two levels: c39 and c52 .
|
Date |
Factor specifying one of three planting dates: d16 , d20 or d21 .
|
HeadWt |
Weight of the cabbage head, presumably in kg. |
VitC |
Ascorbic acid content, in undefined units. |
This data frame contains the following columns:
Rawlings, J. O. (1988) Applied Regression Analysis: A Research Tool. Wadsworth and Brooks/Cole. Example 8.4, page 219. (Rawlings cites the original source as the files of the late Dr Gertrude M Cox.)