Age | Commit message (Collapse) | Author |
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
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It's all about good looking APIs.
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
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Chris had a doubt, and I was lazy and didn't do a similar test for the
quartiles/median than for the mean (test_invalidate_mean()). Plug that
gap.
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
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IQR is a good measure of dispersion.
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
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More stuff, quite useful characteristics of a dataset.
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
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Lucky enough to have exact values, == works!
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
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Somewhat useful, for instance to size an histogram.
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
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Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
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We're going to use this simple fixture once more, might as well make a
function instead of copy/pasting code.
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
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Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
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This changes how we compute the variance. We want an unbiased variance
when reasoning about a sample.
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
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Because the structure started small, I initialized every member
directly, but that means that the new fields added weren't properly
initialized (sigh!). Zero the whole thing first then.
Also, the punishment for introducing a bug should be to write the
corresponding unit test. It's not a perfect one, but I'll take it.
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
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Sure, that's an implementation details, but make sure we do recompute
the mean when we add a new value.
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
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Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
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Sure, it'll be freed at exit(), but might as well be a bit pedantic.
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
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There are several types of averages eg. mean, median and mode.
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
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The master plan would be to get a bit more stats in it, at least the
standard deviation and confidence interval. Just need the average for
now.
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
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