AlexanderSaydakov commented on code in PR #58:
URL:
https://github.com/apache/datasketches-python/pull/58#discussion_r1917465351
##########
tests/tdigest_test.py:
##########
@@ -50,6 +50,15 @@ def test_tdigest_double_example(self):
self.assertFalse(td.is_empty())
self.assertEqual(td.get_total_weight(), n)
+ # we can get the PMF and CDF
+ pmf = td.get_pmf([-0.5, 0.0, 0.5])
+ self.assertEqual(len(pmf), 4)
+ self.assertAlmostEqual(sum(pmf), 1.0)
+
+ cdf = td.get_cdf([0.0])
+ self.assertEqual(len(cdf), 2)
+ self.assertAlmostEqual(cdf[0], 0.5, delta = 0.05)
+
# we can define a new tdiget with a different distribution, then merge
them
Review Comment:
tdiget
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