Rough beginnings of the variogram class.
Merge remote-tracking branch 'geotrellis/master' into kriging
Laid out structure for Ordinary Krigin Interpolation (with linear model for semiovariogram).
Refactors to Variogram.
Merge pull request #1 from lossyrob/kriging

Refactors to Variogram.
Complete Variogram, start of test class.
Updated tests.
Fixed (-) function in Point.
Variogram complete (uncommented and littered with print statements)
VariogramSpec complete (w/ extra linear regression tests)
Renamed to semivariogram.
Added comments.
Removed regression tests.
New lines at the end of the files.
Removed from branch.
Merge branch 'variogram' of https://github.com/wzjchen/geotrellis into variogram
Rough beginnings of the variogram class.
Laid out structure for Ordinary Krigin Interpolation (with linear model for semiovariogram).
Refactors to Variogram.
Complete Variogram, start of test class.
Updated tests.
Fixed (-) function in Point.
Variogram complete (uncommented and littered with print statements)
VariogramSpec complete (w/ extra linear regression tests)