USGS-R/USGSHydroOpt — pull request #25 by schristel-USGS (2014-07-31 19:47:10+00:00)
Title: Made the fxn getAbs() more flexible 

in that now it does not require that the absorbance dataframe contains absorbance values for the input wavs. The fxn finds the nearest wavelength to wavs and uses that as the absorbance value for wavs.