nessai.utils.information
Utilities for computing information and entropy
Module Contents
Functions
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Approximate the differential entropy from samples. |
- nessai.utils.information.differential_entropy(log_p: numpy.ndarray) float
Approximate the differential entropy from samples.
- Parameters:
- log_pnumpy.ndarray
Array of log-probabilities.
- Returns:
- float
The differential entropy
Notes
Assumes samples are drawn from \(p(x)\) such that
\[h(x) = -\int p(x) \log p(x) dx\]can be approximated via Monte Carlo integration.