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| author | araujo <araujo@FreeBSD.org> | 2015-11-24 02:30:59 +0000 |
|---|---|---|
| committer | araujo <araujo@FreeBSD.org> | 2015-11-24 02:30:59 +0000 |
| commit | 835b818769c9408e6929b658b306e9ba1802e2ed (patch) | |
| tree | 12c42bdb09e68b60dcd96bae064b4cbfa44fb8fd /usr.bin/ministat | |
| parent | ba54012c272f6b0d9d93a4e340d8ea6d36609f60 (diff) | |
| download | FreeBSD-src-835b818769c9408e6929b658b306e9ba1802e2ed.zip FreeBSD-src-835b818769c9408e6929b658b306e9ba1802e2ed.tar.gz | |
Compute the median of the data set as the midpoint between the two middle
values when the data set has an even number of elements.
PR: 201582
Submitted by: Marcus Reid <marcus@blazingdot.com>
Reviewed by: imp
Approved by: bapt (mentor)
Diffstat (limited to 'usr.bin/ministat')
| -rw-r--r-- | usr.bin/ministat/ministat.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/usr.bin/ministat/ministat.c b/usr.bin/ministat/ministat.c index 59beac7..a7f7182 100644 --- a/usr.bin/ministat/ministat.c +++ b/usr.bin/ministat/ministat.c @@ -192,8 +192,10 @@ Avg(struct dataset *ds) static double Median(struct dataset *ds) { - - return (ds->points[ds->n / 2]); + if ((ds->n % 2) == 0) + return ((ds->points[ds->n / 2] + (ds->points[(ds->n / 2) - 1])) / 2); + else + return (ds->points[ds->n / 2]); } static double |
