Doug Coleman
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e4e6f34f0e
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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.
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2014-09-26 13:34:25 -07:00 |
John Benediktsson
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8a2028d2c6
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math.statistics: use if-zero in mean-ddof.
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2014-06-10 13:06:42 -07:00 |
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John Benediktsson
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98935b7f15
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docs: change ``{ $quotation "( x -- y )" }`` to ``{ $quotation ( x -- y ) }``.
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2014-05-18 20:09:10 -07:00 |
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John Benediktsson
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aa779eaba8
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math.statistics: use >array instead of { } clone-like.
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2013-06-25 15:40:33 -07:00 |
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Doug Coleman
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4df945e3db
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math.statistics: Handle some edge cases.
Remove two unused parameters.
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2013-06-17 10:16:28 -07:00 |
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Doug Coleman
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49c0b12b33
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math.statistics: Add trimean.
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2013-06-17 10:16:28 -07:00 |
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Doug Coleman
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d3df35102a
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math.statistics: [-] Golfed.
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2013-06-17 07:36:55 -07:00 |
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Doug Coleman
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77abc31e3b
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math.statistics: Fix out of bounds on quantiles that should return the first element.
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2013-06-17 07:21:45 -07:00 |
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John Benediktsson
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720db54f61
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math.statistics: change kth-object to properly clone underlying sequence first.
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2013-05-06 10:40:53 -07:00 |
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John Benediktsson
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6a4638fa0f
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math.statistics: faster cum-mean.
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2013-05-06 09:12:40 -07:00 |
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John Benediktsson
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0d806e0b69
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Revert "math.statistics: change cum-mean to use v/."
This reverts commit 9df2235d8983da67d106a6d5fb297134e5e2a58e.
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2013-05-06 09:08:11 -07:00 |
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John Benediktsson
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b01b14c0e2
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math.statistics: change cum-mean to use v/.
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2013-05-06 08:59:02 -07:00 |
lorynj
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ca7dd6a6a3
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cum-mean
Added a word to calculate cumulative mean.
Signed-off-by: lorynj <lorynj@gmail.com>
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2013-05-06 08:15:39 -07:00 |
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John Benediktsson
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35e23dc547
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math.statistics: make collect-by row polymorphic, simplify words.
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2013-04-22 06:25:50 -07:00 |
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John Benediktsson
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02d9565732
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math.statistics: adding demean and demedian, cleanup a bit.
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2013-03-28 11:40:46 -07:00 |
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Doug Coleman
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5224fba820
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math: Revert clone on median algorithm, perhaps need to revisit this. Call clump for moving-median
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2013-03-24 01:14:35 -07:00 |
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Doug Coleman
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bfbe6edde6
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math.statistics: Median now changes the order of the sequence, so clone it first.
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2013-03-24 01:08:28 -07:00 |
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Doug Coleman
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8c19602ae9
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assocs: Add of and ?of. Change all the things at once! Fixes #701.
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2013-03-23 14:59:07 -07:00 |
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Doug Coleman
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6697f3effb
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math.statistics: Fix histogram and collect. Histogram used each-index even when it didn't need to.
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2013-03-10 12:57:48 -07:00 |
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John Benediktsson
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1ae04f1247
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math.statistics: adding z-score.
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2013-02-07 15:50:34 -08:00 |
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Doug Coleman
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18b7960e09
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math.statistics: Add docs for collect-by and collect-index-by.
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2013-02-05 09:35:51 -08:00 |
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John Benediktsson
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82dc0bf045
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math.statistics: just use accumulate for now.
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2012-12-04 08:56:21 -08:00 |
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Doug Coleman
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516549b52c
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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
sue.
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2012-11-27 12:47:44 -06:00 |
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Doug Coleman
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6e48f8ab15
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math.statistics: Add a variant of histogram that can see the sequence index.
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2012-11-17 12:39:54 -08:00 |
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Doug Coleman
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d31105813b
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math.statistics: Add back std as sample-std.
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2012-11-15 08:27:41 -08:00 |
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Doug Coleman
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2ada02726b
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math.statistics: Make you think about which std you want--population or sample. Hopefully use the right words everywhere.
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2012-11-07 22:53:53 -08:00 |
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Doug Coleman
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a4e55a3eee
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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.
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2012-11-07 22:53:52 -08:00 |
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John Benediktsson
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1e413edf3a
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math.statistics: rename full-* to population-*.
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2012-11-06 07:16:20 -08:00 |
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John Benediktsson
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23fc7b3eb9
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math.statistics: add some padding in the docs (looks better).
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2012-10-25 21:01:17 -07:00 |
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John Benediktsson
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71da857f43
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math.statistics: add other cumulative words to help article.
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2012-10-25 16:30:31 -07:00 |
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Doug Coleman
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b867a248a2
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math.statistics: Add cum-count, cum-sum0, cum-map0. Add docs.
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2012-10-25 16:13:25 -07:00 |
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Doug Coleman
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923f3592c8
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math.statistics: Add ddof (delta degrees-of-freedom) to easily calculate population (full) and unbiased (sample) statistics.
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2012-10-22 09:47:35 -07:00 |
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John Benediktsson
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13f101bd2b
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math.statistics: empty-sequence is silly.
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2012-09-26 17:09:23 -07:00 |
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John Benediktsson
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7fb8db2e74
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math.statistics: adding a normalized-histogram word.
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2012-09-26 08:39:11 -07:00 |
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John Benediktsson
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6072e58db3
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math.statistics: remove probabilities word, not really needed.
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2012-09-26 08:32:30 -07:00 |
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John Benediktsson
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ca69afec31
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math.statistics: use "cumulative map" as base of all cumulative words.
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2012-09-25 22:27:42 -07:00 |
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John Benediktsson
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a283782abe
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math.statistics: some fixes to entropy, adding maximum-entropy and normalized-entropy.
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2012-09-25 20:17:34 -07:00 |
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Doug Coleman
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d2317c71f5
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math.statistics: add rank-values
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2012-09-04 18:52:38 -07:00 |
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John Benediktsson
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bdf02bfd2b
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math.statistics: faster and simpler entropy word.
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2012-07-11 12:26:20 -07:00 |
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John Benediktsson
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0c5f895371
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math.statistics: minor style cleanup.
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2012-07-10 17:03:01 -07:00 |
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John Benediktsson
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07b0d52f55
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math.statistics: adding winsorized-mean.
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2012-05-08 08:48:15 -07:00 |
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John Benediktsson
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4c2d01c5ec
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math.statistics: adding trim-mean and signal-to-noise.
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2012-05-08 08:24:57 -07:00 |
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Doug Coleman
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0a5a2a74a7
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math.statistics: Add sum-of-squares word, add sum-of-squared-errors/sum-of-absolute-errors words.
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2012-05-07 15:04:37 -07:00 |
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Doug Coleman
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9a4e66c8a6
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math.statistics: Add power-mean and quadratic-mean.
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2012-05-04 15:27:46 -07:00 |
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John Benediktsson
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7ab521f0ba
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math.statistics: simpler (faster) version of rescale.
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2012-05-04 14:51:38 -07:00 |
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John Benediktsson
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87686a9a31
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math.statistics: adding contraharmonic-mean.
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2012-05-04 14:43:29 -07:00 |
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John Benediktsson
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4339b14d77
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math.statistics: adding mean-dev and median-dev.
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2012-05-04 14:40:24 -07:00 |
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John Benediktsson
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bacdd691fc
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math.statistics: separate "sample-" and "full-" versions of var, std, ste, and corr.
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2012-05-04 14:31:26 -07:00 |
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John Benediktsson
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0435098bd8
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math.statistics: adding standardize, differences, rescale.
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2012-05-04 14:18:45 -07:00 |
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John Benediktsson
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5878b6982b
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math.statistics: adding entropy function.
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2012-04-26 18:40:59 -07:00 |