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author | Anand Moon <anandx.ram.moon@intel.com> | 2020-11-02 09:02:43 +0000 |
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committer | Chris Wilson <chris@chris-wilson.co.uk> | 2020-11-03 16:31:33 +0000 |
commit | b6247cc06d76b48ec2a3a0b13ffbd25aec8a42ff (patch) | |
tree | 1f98524a2803394167cc21e33531ec6fde7afce3 /lib/igt_stats.h | |
parent | 12d370cb57e0cfcb781c87ad9e15e68b17a1f41f (diff) |
tests/kms_setmode: basic Improve accuracy with using of confidence interval
Using confidence interval formula accuracy is estimates approximately
at 95% when {X} is the average of a sample of size n.
Use this confidence interval formula as used in statistics
to estimate the accuracy.
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/31
Cc: Dorota Czaplejewicz <dorota.czaplejewicz@collabora.co.uk>
Signed-off-by: Anand Moon <anandx.ram.moon@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'lib/igt_stats.h')
-rw-r--r-- | lib/igt_stats.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/igt_stats.h b/lib/igt_stats.h index 5faeced4..e8ee5a58 100644 --- a/lib/igt_stats.h +++ b/lib/igt_stats.h @@ -81,6 +81,7 @@ double igt_stats_get_trimean(igt_stats_t *stats); double igt_stats_get_median(igt_stats_t *stats); double igt_stats_get_variance(igt_stats_t *stats); double igt_stats_get_std_deviation(igt_stats_t *stats); +double igt_stats_get_std_error(igt_stats_t *stats); /** * igt_mean: |