Added catalog 📙

Author: grhkm21

src/sage/stats/all.py

@@ -1,3 +1,4 @@
+import sage.stats.distributions.catalog as distributions
 
 from .r import ttest
 from .basic_stats import (mean, mode, std, variance, median, moving_average)

src/sage/stats/distributions/catalog.py

@@ -0,0 +1,33 @@
+r"""
+Index of distributions
+
+This catalogue includes the samplers for statistical distributions listed below.
+
+Let ``<tab>`` indicate pressing the :kbd:`Tab` key.  So begin by typing
+``algebras.<tab>`` to the see the currently implemented named algebras.
+
+- :class:`distributions.discrete_gaussian_integer.DiscreteGaussianDistributionIntegerSampler
+  <sage.stats.distributions.discrete_gaussian_integer.DiscreteGaussianDistributionIntegerSampler>`
+- :class:`distributions.discrete_gaussian_lattice.DiscreteGaussianDistributionLatticeSampler
+  <sage.stats.distributions.discrete_gaussian_lattice.DiscreteGaussianDistributionLatticeSampler>`
+- :class:`distributions.discrete_gaussian_polynomial.DiscreteGaussianDistributionPolynomialSampler
+  <sage.stats.distributions.discrete_gaussian_polynomial.DiscreteGaussianDistributionPolynomialSampler>`
+
+To import these names into the global namespace, use::
+
+    sage: from sage.stats.channels_catalog import *
+
+"""
+#*****************************************************************************
+#       Copyright (C) 2024 Gareth Ma <[email protected]>
+#
+#  Distributed under the terms of the GNU General Public License (GPL),
+#  version 2 or later (at your preference).
+#
+#                  http://www.gnu.org/licenses/
+#*****************************************************************************
+
+from sage.misc.lazy_import import lazy_import as _lazy_import
+_lazy_import("sage.stats.distributions.discrete_gaussian_integer", ["DiscreteGaussianDistributionIntegerSampler"])
+_lazy_import("sage.stats.distributions.discrete_gaussian_lattice", ["DiscreteGaussianDistributionLatticeSampler"])
+_lazy_import("sage.stats.distributions.discrete_gaussian_polynomial", ["DiscreteGaussianDistributionPolynomialSampler"])