master script modifications regarding outputs and clean up

validation script function for monthly averages for accuracy metrics

results analyses, modifications to allow for gam cai and other methods

validation first modification to add monthly averages for accuracy metrics

gam cai funciton test run

master script gam CAI predictions run and modifications

GAM CAI added to script and modification of function for daily deviation

raster prediction function, modifications to make code general for any interpolation method

master script adding GAM CAI method and parameters for Venezuela region

output resuults analyses, modifications to reflect general name of objects from earlier scripts