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stats: Add wikipedia links to get_trimean() and get_iqm()

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Useful knowledge for anyone looking at the documentation and following
the linkes.

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
This commit is contained in:
Damien Lespiau 2015-07-02 00:16:07 +01:00
parent d01ebbd97d
commit 643aab2249
1 changed files with 7 additions and 2 deletions
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9
lib/igt_stats.c
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@ -496,11 +496,15 @@ double igt_stats_get_std_deviation(igt_stats_t *stats)
* igt_stats_get_iqm:
* @stats: An #igt_stats_t instance
*
* Retrieves the interquartile mean of the @stats dataset.
* Retrieves the
* [interquartile mean](https://en.wikipedia.org/wiki/Interquartile_mean) (IQM)
* of the @stats dataset.
*
* The interquartile mean is a "statistical measure of central tendency".
* It is a truncated mean that discards the lowest and highest 25% of values,
* and calculates the mean value of the remaining central values.
*
* It's useful to hide outliers in measurements (due to cold cache etc).
*/
double igt_stats_get_iqm(igt_stats_t *stats)
{
@ -533,7 +537,8 @@ double igt_stats_get_iqm(igt_stats_t *stats)
* igt_stats_get_trimean:
* @stats: An #igt_stats_t instance
*
* Retrieves the trimean of the @stats dataset.
* Retrieves the [trimean](https://en.wikipedia.org/wiki/Trimean) of the @stats
* dataset.
*
* The trimean is a the most efficient 3-point L-estimator, even more
* robust than the median at estimating the average of a sample population.