Add `.fit` and `.transform`

[michiexile]

circular-coordinates/circularcoordinates/circular_coordinates.py

Line 548 in 0d17325

def fit_transform(self,data):

One way to implement .transform would be to take the average coordinate value of the k nearest neighbors of the "incoming" data point. This would allow us to have all three of .fit, .transform and .fit_transform.

[bilalze]

i don't understand what you mean by this