xmp13.03 {Devore5}R Documentation

data from Example 13.3

Description

The xmp13.03 data frame has 12 rows and 2 columns of data on tool lifetime versus cutting time.

Format

This data frame contains the following columns:

time
the cutting time (unknown units).
ToolLife
tool lifetime (unknown units).

Source

Devore, J. L. (2000) Probability and Statistics for Engineering and the Sciences (5th ed), Duxbury

(1967) ``The effect of experimental error on the determination of optimum metal cutting conditions'', J. Eng. for Industry, 315–322.

Examples

data(xmp13.03)
plot(ToolLife ~ time, data = xmp13.03)
plot(ToolLife ~ time, data = xmp13.03, log = "xy")
fm1 <- lm(log(ToolLife) ~ I(log(time)), data = xmp13.03)
summary(fm1)
plot(fm1, which = 1)     # plot of residuals versus fitted values
plot(exp(fitted(fm1)) ~ xmp13.03$ToolLife,
   xlab = "y", ylab = expression(hat("y")),
   main = "Compare to Figure 13.4, page 555")
abline(0, 1)       # reference line