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License: University of Illinois/NCSA Open Source License
How might you answer the following ...
Given the Miscanthus and Switchgrass yield data that @sidewallme has used in his analysis, plus any other data in the yields table, determine:
Are there species that haven't been grown in agronomic trials (i.e. we don't have yield data in betydb.org/yields.csv) that might be good candidates for high yielding crops?
Notes:
Define models, method of evaluation (e.g. regression tree, ANN, linear regression), and model skill metrics (e.g. RMSE, r2, sd_model/sd_mean, Taylor Skill, etc.)
For any data set you want to use, either add to this repository or post as a gist.
Download each fof the 19 BioClim variables listed here http://www.worldclim.org/bioclim using the getData
function of the raster package
other variables: http://www.worldclim.org/formats
library(raster)
x <- getData('worldclim', var='tmin', res=0.5, lon=5, lat=45)
note that bioclim are long-term climate means; also would be useful to find precip. and temp during harvest year (e.g. 'year' field in miscanthus.csv from #2).
Try out this script for downloading dayment: https://bitbucket.org/khufkens/daymetr
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