tfc.distributions.lower_tail
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Approximates lower tail quantile for range coding.
tfc.distributions.lower_tail(
distribution, tail_mass
)
For range coding of random variables, the distribution tails need special handling, because range coding can only handle alphabets with a finite number of symbols. This method returns a cut-off location for the lower tail, such that approximately tail_mass probability mass is contained in the tails (together). The tails are then handled by using the 'overflow' functionality of the range coder implementation (using an Elias gamma code).
Returns |
|---|
A tf.Tensor broadcastable to shape self.batch_shape containing the approximate lower tail quantiles for each scalar distribution. |
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Last updated 2024-04-26 UTC.
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