Bug fix: long-standing error in twilight calculation in function
NA when spectral data contains
NA values outside the range of waveband(s).
Bug fix: plotting fails if a spectrum contains
NA values in the plotted y variable.
Add hourly spectral data for August in Helsinki.
R_FR_ratio() now uses
"Smith10" giving 10 nm-wide bands. The returned value is different than in earlier versions, but follows closely the definition given by Prof. Harry Smith.
NOTE: Sources, and Windows binaries for R 3.2.x, are now available in the repository.