[R] How to set up a Negative Exponential regression mixed effect model 'nlme' ?

Hi, I need help with fitting a non-linear mixed effects model (nested random effect). I look at the relationship between 'wingbeat frequency' (beats per sec) and 'wing length' in hummingbirds, and I will find a model with the best fit. I have posted the question at R-SIG-mixed-models list, but no

[R] Converting time zones in R using metadata file information of video files, help needed.

Hi, I have video files (FAT) that are taken in a different timezone than my current location. The modification date/time in the metafila data of the video file shows the time video was taken, although in the current timezone of my computer, if I understand right. I wish to convert the date/time t

[R] Guidance for reporting results from lme test?

Hello, I have sucsessfully used a linear mixed effect model, lme, (REML). The results are satisfactory, but I have problems with sorting out how to report the result in a scientific paper. Is there a genearal guidance for reporting lme results available (web page, book or article)? Best r