Re: [R] Forloop/ifelse program problem and list of dataframes

Hi Ian, I haven't read in details because you don't provide a reproducible example (see ?dput) but you might want to take a look at the aggregate() and doBy::summaryBy() functions. HTH, Ivan -- Ivan CALANDRA Université de Bourgogne UMR CNRS/uB 6282 Biogéosciences 6 Boulevard Gabriel 21000 Di

[R] Forloop/ifelse program problem and list of dataframes

Hello R Community, I don't post to these things often so excuse me if I stumble on my forum etiquette. This is a complex problem for me, which may require two forum entries, but I will try my best to be concise. Also, I am a self taught coder, so if my code is not to convention, your constructi