3b36e969b2
math.statistics: the sample and population mean is the same
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Afaik, the mean word works both for population data and for
samples. Which is different from standard deviations, where you have
different formulas for population and sample std.
2018-02-24 23:11:22 +01:00
0701902122
math.statistics: fix calculation of the harmonic mean
2017-01-15 21:27:55 +01:00
60919f8a89
math.statistics: change minmax to not look at first element twice.
2016-12-28 13:39:52 -08:00
b141e0d2fb
assocs: moving collect-by from math.statistics.
2016-12-28 12:56:19 -08:00
d3bc2035a2
factor: remove rest of double paren words.
2016-03-25 03:13:27 -07:00
43be523e31
math.statistics, add docs for cum-sum0, add cum-product1 for symmetry
2016-03-08 13:41:54 -08:00
cb6ddb1735
rename math.statistics:cum-map to sequences:accumulate*
2016-03-08 13:41:54 -08:00
e477f6996f
Fix comments to be ! not #!.
2015-09-08 16:15:10 -07:00
270155bae4
math.statistics: clean up some weird stack effects
2015-07-27 09:54:07 -07:00
352e5de16a
core, basis, extra: Remove DOS line endings from files.
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Remove whitespace from end of lines.
Add a newline to the end of each file.
2015-06-29 17:25:40 -07:00
e4e6f34f0e
math.statistics: Get smart about the geometric mean. Calculate it in logspace so we can use addition of small logarithms and multiplication instead of the nth root of a giant product.
2014-09-26 13:34:25 -07:00
8a2028d2c6
math.statistics: use if-zero in mean-ddof.
2014-06-10 13:06:42 -07:00
aa779eaba8
math.statistics: use >array instead of { } clone-like.
2013-06-25 15:40:33 -07:00
4df945e3db
math.statistics: Handle some edge cases.
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Remove two unused parameters.
2013-06-17 10:16:28 -07:00
49c0b12b33
math.statistics: Add trimean.
2013-06-17 10:16:28 -07:00
d3df35102a
math.statistics: [-] Golfed.
2013-06-17 07:36:55 -07:00
77abc31e3b
math.statistics: Fix out of bounds on quantiles that should return the first element.
2013-06-17 07:21:45 -07:00
720db54f61
math.statistics: change kth-object to properly clone underlying sequence first.
2013-05-06 10:40:53 -07:00
6a4638fa0f
math.statistics: faster cum-mean.
2013-05-06 09:12:40 -07:00
0d806e0b69
Revert "math.statistics: change cum-mean to use v/."
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This reverts commit 9df2235d8983da67d106a6d5fb297134e5e2a58e.
2013-05-06 09:08:11 -07:00
b01b14c0e2
math.statistics: change cum-mean to use v/.
2013-05-06 08:59:02 -07:00
ca7dd6a6a3
cum-mean
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Added a word to calculate cumulative mean.
Signed-off-by: lorynj <lorynj@gmail.com>
2013-05-06 08:15:39 -07:00
35e23dc547
math.statistics: make collect-by row polymorphic, simplify words.
2013-04-22 06:25:50 -07:00
02d9565732
math.statistics: adding demean and demedian, cleanup a bit.
2013-03-28 11:40:46 -07:00
5224fba820
math: Revert clone on median algorithm, perhaps need to revisit this. Call clump for moving-median
2013-03-24 01:14:35 -07:00
bfbe6edde6
math.statistics: Median now changes the order of the sequence, so clone it first.
2013-03-24 01:08:28 -07:00
6697f3effb
math.statistics: Fix histogram and collect. Histogram used each-index even when it didn't need to.
2013-03-10 12:57:48 -07:00
1ae04f1247
math.statistics: adding z-score.
2013-02-07 15:50:34 -08:00
82dc0bf045
math.statistics: just use accumulate for now.
2012-12-04 08:56:21 -08:00
516549b52c
basis: Try to fix the build. My profiler is hanging, but I can't figure out why. See if the build farm has the same is
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sue.
2012-11-27 12:47:44 -06:00
6e48f8ab15
math.statistics: Add a variant of histogram that can see the sequence index.
2012-11-17 12:39:54 -08:00
d31105813b
math.statistics: Add back std as sample-std.
2012-11-15 08:27:41 -08:00
2ada02726b
math.statistics: Make you think about which std you want--population or sample. Hopefully use the right words everywhere.
2012-11-07 22:53:53 -08:00
a4e55a3eee
math.statistics: Rename full-* to population-*. Full, while somewhat descriptive of using the entire dataset, is not a technical term, while population is used in Mathematica and stats books.
2012-11-07 22:53:52 -08:00
1e413edf3a
math.statistics: rename full-* to population-*.
2012-11-06 07:16:20 -08:00
b867a248a2
math.statistics: Add cum-count, cum-sum0, cum-map0. Add docs.
2012-10-25 16:13:25 -07:00
923f3592c8
math.statistics: Add ddof (delta degrees-of-freedom) to easily calculate population (full) and unbiased (sample) statistics.
2012-10-22 09:47:35 -07:00
13f101bd2b
math.statistics: empty-sequence is silly.
2012-09-26 17:09:23 -07:00
7fb8db2e74
math.statistics: adding a normalized-histogram word.
2012-09-26 08:39:11 -07:00
6072e58db3
math.statistics: remove probabilities word, not really needed.
2012-09-26 08:32:30 -07:00
ca69afec31
math.statistics: use "cumulative map" as base of all cumulative words.
2012-09-25 22:27:42 -07:00
a283782abe
math.statistics: some fixes to entropy, adding maximum-entropy and normalized-entropy.
2012-09-25 20:17:34 -07:00
d2317c71f5
math.statistics: add rank-values
2012-09-04 18:52:38 -07:00
bdf02bfd2b
math.statistics: faster and simpler entropy word.
2012-07-11 12:26:20 -07:00
0c5f895371
math.statistics: minor style cleanup.
2012-07-10 17:03:01 -07:00
07b0d52f55
math.statistics: adding winsorized-mean.
2012-05-08 08:48:15 -07:00
4c2d01c5ec
math.statistics: adding trim-mean and signal-to-noise.
2012-05-08 08:24:57 -07:00
0a5a2a74a7
math.statistics: Add sum-of-squares word, add sum-of-squared-errors/sum-of-absolute-errors words.
2012-05-07 15:04:37 -07:00
9a4e66c8a6
math.statistics: Add power-mean and quadratic-mean.
2012-05-04 15:27:46 -07:00
7ab521f0ba
math.statistics: simpler (faster) version of rescale.
2012-05-04 14:51:38 -07:00
Björn Lindqvist
John Benediktsson
Doug Coleman
Jon Harper
lorynj