[R-sig-eco] how to create box plot of precipitation data from raster stack

2017-03-03 Thread karsten
Hi All, I am a beginner with R and spatial and working on plotting precipitation data (from CHIRPS) using raster stacks for the purpose of agricultural site characterization. I succeeded to generate plots for many research locations using a csv file with x-y coordinates and generating a bar graph

[R-sig-eco] GAM model

2017-03-03 Thread Daniele Battocchio
Hi all i have a question about GAM. Basically, i have a model with total litter mass as response variable and mother age, mother body mass, julian date, year, and sequence as independet variables. Sequence is a factors with 9 levels, basically is a combination of litter and sex (M, F, MM, FF, MF,