Programs related to chapter 8:

Figure 8.1.1:
R-source
Figure 8.1.2:
R-source
Figure 8.1.3:
See book, this figure contains no data analysis.
Figure 8.1.4:
See book, this figure contains no data analysis.
Figure 8.1.5:
See book, this figure contains no data analysis.
Table 8.1.1:
R-source
SAS-source
Figure 8.2.1:
See book, this figure contains no data analysis.
Figure 8.2.2:
R-source
Table 8.2.1:
R-source

At most 4 R programs yet to be written for this chapter