Convert an array to bin indices.
JAX implementation of numpy.digitize()
.
x (ArrayLike) – array of values to digitize.
bins (ArrayLike) – 1D array of bin edges. Must be monotonically increasing or decreasing.
right (bool) – if true, the intervals include the right bin edges. If false (default) the intervals include the left bin edges.
method (str | None) – optional method argument to be passed to searchsorted()
. See that function for available options.
An integer array of the same shape as x
indicating the bin number that the values are in.
Examples
>>> x = jnp.array([1.0, 2.0, 2.5, 1.5, 3.0, 3.5]) >>> bins = jnp.array([1, 2, 3]) >>> jnp.digitize(x, bins) Array([1, 2, 2, 1, 3, 3], dtype=int32) >>> jnp.digitize(x, bins, right=True) Array([0, 1, 2, 1, 2, 3], dtype=int32)
digitize
supports reverse-ordered bins as well:
>>> bins = jnp.array([3, 2, 1]) >>> jnp.digitize(x, bins) Array([2, 1, 1, 2, 0, 0], dtype=int32)
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