# 
# Written by:
# -- 
# John L. Weatherwax                2009-04-21
# 
# email: wax@alum.mit.edu
# 
# Please send comments and especially bug reports to the
# above email address.
# 
#-----

library(alr3)
data(water)
attach(water)

# plot the scatter plot matrix: BSAAM will be the y-axis of the first row 
pairs(BSAAM~APMAM+APSAB+APSLAKE+OPBPC+OPRC+OPSLAKE)