R² could be outside of [0,1] range

[Shimuuar]

Following code samples assume OverloadedLists

olsRegress [[1,2,3]] [1,1,1]
([2.3737566748887e-16,0.9999999999999994],-Infinity)

olsRegress [[1,1,1]] [1,2,3]
([9.007199254740998e15,-9.007199254740994e15],-6.0)