# Elements of Wilkinson's (1985) "Statistics Quiz"
open nasty.gdt
gnuplot HUGE TINY
# compute basic stats for all vars
summary
# correlation matrix: all defined entries should be 1.0
corr
# regression, regular and multiple precision (exact fit)
ols BIG X const
mpols BIG X const
# "The program should not complain"
ols X X const
# Should complain of singularity...
ols X BIG LITTLE const
# Ought to fail...
ols ZERO X const

