Displaying 1 result from an estimated 1 matches for "schses".
Did you mean:
achses
1999 Mar 07
0
coplot has me stumped
I'm having trouble with coplot. I have two conditioning variables, and when I
try to specify two sets of given.values, no matter what I do I get the message,
Error: Object "b.levels" not found.
Here is the section of code:
c.ranges <- co.intervals(schses, number=4, overlap=0)
a.ranges <- co.intervals(as.factor(aa94), number=2, overlap=0)
PredAA <- as.factor(aa94)
coplot(Adj.Math.Productivity ~ size94|schses * PredAA, panel=points.lines,
given.values=list(c.ranges, a.ranges ), rows=2, columns=4 )
Instead of 'a.ranges' in the coplot st...