Displaying 1 result from an estimated 1 matches for "biomassa".
Did you mean:
biomass
2008 Apr 20
3
Problem with object inside a function
...object is OK, look the levels:
> print(levels(qvartemp))
[1] "baixomedio" "alto"
Now I create a new object with a new formula:
> new.form <- as.formula(gsub(qvar,"qvartemp",as.expression(mma$formula)))
Look this new object:
> print(new.form)
Riqueza ~ Biomassa * qvartemp
Now here is the problem, I try to update an existing model (mma) changing the
formula by the new.form
mmaa <- update(mma,new.form)
But my function is aborted with this message:
Error in eval(expr, envir, enclos) : object "qvartemp" not found
If I create this object qva...