skspatial.objects.Circle.best_fit

classmethod Circle.best_fit(points: Union[numpy.ndarray, Sequence]) skspatial.objects.circle.Circle[source]

Return the sphere of best fit for a set of 2D points.

Parameters
pointsarray_like

Input 2D points.

Returns
Circle

The circle of best fit.

Raises
ValueError

If the points are not 2D. If there are fewer than three points. If the points are collinear.

Examples

>>> import numpy as np
>>> from skspatial.objects import Circle
>>> points = [[1, 1], [2, 2], [3, 1]]
>>> circle = Circle.best_fit(points)
>>> circle.point
Point([2., 1.])
>>> np.round(circle.radius, 2)
1.0