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-rw-r--r--Doc/library/statistics.rst7
1 files changed, 6 insertions, 1 deletions
diff --git a/Doc/library/statistics.rst b/Doc/library/statistics.rst
index f3c1bf2..5c8ad3a 100644
--- a/Doc/library/statistics.rst
+++ b/Doc/library/statistics.rst
@@ -585,7 +585,7 @@ However, for reading convenience, most of the examples show sorted sequences.
The *data* can be any iterable containing sample data. For meaningful
results, the number of data points in *data* should be larger than *n*.
- Raises :exc:`StatisticsError` if there are not at least two data points.
+ Raises :exc:`StatisticsError` if there is not at least one data point.
The cut points are linearly interpolated from the
two nearest data points. For example, if a cut point falls one-third
@@ -625,6 +625,11 @@ However, for reading convenience, most of the examples show sorted sequences.
.. versionadded:: 3.8
+ .. versionchanged:: 3.13
+ No longer raises an exception for an input with only a single data point.
+ This allows quantile estimates to be built up one sample point
+ at a time becoming gradually more refined with each new data point.
+
.. function:: covariance(x, y, /)
Return the sample covariance of two inputs *x* and *y*. Covariance