oranges {lsmeans} | R Documentation |
This example dataset on sales of oranges has two factors, two covariates, and two responses. There is one observation per factor combination.
data(oranges)
A data frame with 36 observations on the following 6 variables.
store
a factor with levels 1
2
3
4
5
6
. The store that was observed.
day
a factor with levels 1
2
3
4
5
6
. The day the observation was taken (same for each store).
price1
a numeric vector. Price of variety 1.
price2
a numeric vector. Price of variety 2.
sales1
a numeric vector. Sales (per customer) of variety 1.
sales2
a numeric vector. Sales (per customer) of variety 2.
Download from http://ftp.sas.com/samples/A56655.
Littell, R., Stroup W., Freund, R. (2002) SAS For Linear Models (4th edition). SAS Institute. ISBN 1-59047-023-0.
require(lsmeans) # Example on p.244 of Littell et al. oranges.lm <- lm(sales1 ~ price1*day, data = oranges) lsmeans(oranges.lm, "day") # Example on p.246 lsmeans(oranges.lm, "day", at = list(price1 = 0))