name change for dimension expansion, nugget
name change for dimension expansion, nugget

Changed "y" names to "T" (temperature) names. This will make it easier
to expand the interpolation to 2- and 3d.
Nugget added to GP, for better noisy fit (broken)
In progress: changing shape of data for better calculation of statistics
by position

sazamore/GP-temperature-interpolation,isomerase/GP-temperature-interpolation