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2004 Dec 01
0
gnls(0 error: invalid variable type
Dear R-helpers;
While using gnls() to fit a function
> Gbht0t.gnls <- gnls(h2 ~ Rht(b0, b1, b2, h1,t1, t2), data=gbht10,
+ params=list(b0 + b1 + b2 ~ Sisp -1), start=c(strssb0,strssb1,strssb2))
I encountered an error:
"Error in model.frame(formula, rownames, variables, varnames, extras,
extranames, : invalid variable type "
Rht is a defined function to be fitted and initial values are stored in
three vectors strssb0-b2. The error...