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diff --git a/usr.bin/ministat/README b/usr.bin/ministat/README deleted file mode 100644 index cc5fe27..0000000 --- a/usr.bin/ministat/README +++ /dev/null @@ -1,50 +0,0 @@ -$FreeBSD$ - -A small tool to do the statistics legwork on benchmarks etc. - -Prepare your data into two files, one number per line -run - ./ministat data_before data_after - -and see what it says. - -You need at least three data points in each data set, but the more -you have the better your result generally gets. - -Here are two typical outputs: - -x _1 -+ _2 -+--------------------------------------------------------------------------+ -|x + x+ x x x + ++ | -| |_________|______AM_______________|__A___________M_______________|| -+--------------------------------------------------------------------------+ - N Min Max Median Avg Stddev -x 5 36060 36138 36107 36105.6 31.165686 -+ 5 36084 36187 36163 36142.6 49.952978 -No difference proven at 95.0% confidence - -Here nothing can be concluded from the numbers. It _may_ be possible to -prove something if many more measurements are made, but with only five -measurements, nothing is proven. - - -x _1 -+ _2 -+--------------------------------------------------------------------------+ -| + | -| x + +| -|x x x x + +| -| |_______________A_____M_________| |_M___A____| | -+--------------------------------------------------------------------------+ - N Min Max Median Avg Stddev -x 5 0.133 0.137 0.136 0.1354 0.0015165751 -+ 5 0.139 0.14 0.139 0.1394 0.00054772256 -Difference at 95.0% confidence - 0.004 +/- 0.00166288 - 2.95421% +/- 1.22812% - (Student's t, pooled s = 0.00114018) - -Here we have a clearcut difference, not very big, but clear and unambiguous. - - |
