updated README file for model functions. need to create README for observation functions
renamed README.txt to .md. Added info on observation scripts
trying if I can just use modelfunctions directly on obs data, as gpcp reanalysis has no NA data
working on adapting fns for obs data. Parts are specific to gpcp1979_2010; need to make more general if using other datasets
added code to invert lat to make it run S-N, i.e. increasing values. this is applicable for gpcp1979_2010; need to check with any other datasets
code runs on obsgit st anomalous maps for global EOF annual and winter. possible outlying datapoints?? EOF2 more ENSO-like, similar to models EOF1...