scipy.spatial.distance.num_obs_y

scipy.spatial.distance.num_obs_y(Y)

Return the number of original observations that correspond to a condensed distance matrix.

Parameters:

Yarray_like

Condensed distance matrix.

Returns:

nint

The number of observations in the condensed distance matrix Y.

Examples

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Find the number of original observations corresponding to a condensed distance matrix Y.

>>> from scipy.spatial.distance import num_obs_y
>>> Y = [1, 2, 3.5, 7, 10, 4]
>>> num_obs_y(Y)
4

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