[R] nlsList (nlme) error

Hello Rick, This may be way to late but I had the same error and solved it just removing the “na.action=” argument. Since I had removed the NAs beforehand it did not affect my results. Best, Lau Laureano A. Gherardi PhD Sala Lab LSA 217A School of Life

Re: [R] nlsList (nlme) error

Rick DeShon deshon at msu.edu writes: .. When I use nlsList code that is virtually identical to the example in the doc file I get the following error. .. Error in nlsList.formula(RT ~ SSasymp(trial, Asym, R0, lrc), data = df.group, : Data must be a groupedData object if

[R] nlsList (nlme) error

Hi All. I'm trying to run nlsList an getting an error that makes no sense to me. I have accuracy and reaction time data over many trials for each person (id) When I use nlsList code that is virtually identical to the example in the doc file I get the following error. I've tried everything I