deposit | R Documentation |
The number of insects killed at various doses of insecticide
data(deposit)
A data frame with 18 observations on the following 4 variables.
Killed
the number of insects killed at each poison level; a numeric vector
Number
the number of insects exposed at each poison level; a numeric vector
Insecticide
the insecticide used;
a factor with levels A
,
B
and C
Deposit
the amount of deposit (insecticide) used in milligrams; a numeric vector
Fifty insects were exposed to various deposits of insecticides. The proportions of the insects killed after six days exposure were recorded.
P. S. Hewlett and T. J. Plackett (1950) Statistical aspects of the independent joint action of poisons, particularly insecticides. II. Examination of data for agreement with hypothesis. Annals of Applied Biology, 37, 527–552.
Wotjek J. Krzanowski (1998) An Introduction to Statistical Modelling, Arnold: London.
data(deposit) summary(deposit)
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