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geoutils.Raster.subsample

geoutils.Raster.subsample#

Raster.subsample(subsample, return_indices=False, random_state=None)[source]#

Randomly sample the raster. Only valid values are considered.

Parameters:

  • subsample (float | int) – Subsample size. If <= 1, a fraction of the total pixels to extract. If > 1, the number of pixels.

  • return_indices (bool) – Whether to return the extracted indices only.

  • random_state (RandomState | int | None) – Random state or seed number.

Return type:

ndarray[Any, dtype[Union[floating[Any], integer[Any]]]] | tuple[ndarray[Any, dtype[Union[floating[Any], integer[Any]]]], ...]

Returns:

Array of sampled valid values, or array of sampled indices.

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