From 2aff00662dda83b9f745ef9fb24a8d40d759d4ca Mon Sep 17 00:00:00 2001
From: Gabriel Studer <gabriel.studer@unibas.ch>
Date: Fri, 15 Nov 2019 10:06:17 +0100
Subject: [PATCH] Fix issue with changed rounding behaviour in Python 3.
Python 3 rounds towards the nearest even number if its in the middle
of two integers as opposed to Python 2 that simply rounds to the higher
integer number. By doing that we avoid biases towards higher numbers.
---
modules/base/pymod/table.py | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/modules/base/pymod/table.py b/modules/base/pymod/table.py
index dc59194e0..bb7714f03 100644
--- a/modules/base/pymod/table.py
+++ b/modules/base/pymod/table.py
@@ -2002,7 +2002,7 @@ Statistics for column %(col)s
.. code-block:: python
- values[min(len(values), int(round(len(values)*nth/100+0.5)-1))]
+ values[min(len(values)-1, int(math.floor(len(values)*nth/100.0)))]
where values are the sorted values of *col* not equal to ''None''
@@ -2033,7 +2033,9 @@ Statistics for column %(col)s
percentiles=[]
for nth in nths:
- p=vals[min(len(vals)-1, int(round(len(vals)*nth/100.0+0.5)-1))]
+ # rounding behaviour between Python2 and Python3 changed....
+ # p=vals[min(len(vals)-1, int(round(len(vals)*nth/100.0+0.5)-1))]
+ p=vals[min(len(vals)-1, int(math.floor(len(vals)*nth/100.0)))]
percentiles.append(p)
return percentiles
--
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