> When I try to run the following non-linear regression with variables
> index1 and prl3:
>> beta = 4
>> nls(index1~beta*(1/prl3),start = list(beta = 4))
> I get this error message:
> Error in nls(index1 ~ beta * (1/prl3), start = list(beta = 4)) :
> REAL() can only be applied to a 'numeric', not a 'logical'
Please see the posting guide. For reproducibility, we'd need prl3 and
> I've got no clue as to the REAL() to which this is referring. Any help
> appreciated. Thanks in advance.