xmp01.15 {Devore6} | R Documentation |
The xmp01.15
data frame has 20 rows and 1 columns.
This data frame contains the following columns:
Devore, J. L. (2003) Probability and Statistics for Engineering and the Sciences (6th ed), Duxbury
with(xmp01.15, summary(lifetime)) # produces mean, median, etc. with(xmp01.15, mean(lifetime, trim = 0.1)) # 10% trimmed mean with(xmp01.15, mean(lifetime, trim = 0.2)) # 20% trimmed mean with(xmp01.15, dotchart(lifetime)) with(xmp01.15, hist(lifetime)) # display a histogram with(xmp01.15, rug(lifetime)) # add the data with(xmp01.15, abline(v = median(lifetime), col = 2, lty = 2)) with(xmp01.15, abline(v = mean(lifetime), col = 3, lty = 2)) with(xmp01.15, abline(v = mean(lifetime, trim = 0.1), col = 4, lty = 2)) with(xmp01.15, abline(v = mean(lifetime, trim = 0.2), col = 5, lty = 2)) legend(600, 6, c("median", "mean", "10% trimmed mean", "20% trimmed mean"), col = 2:5, lty = 2)