Commit Graph

30 Commits (729bd8a362d8856fc895ae6dca67a03993171960)

Author SHA1 Message Date
Doug Coleman 49c0b12b33 math.statistics: Add trimean. 2013-06-17 10:16:28 -07:00
Doug Coleman 77abc31e3b math.statistics: Fix out of bounds on quantiles that should return the first element. 2013-06-17 07:21:45 -07:00
lorynj ca7dd6a6a3 cum-mean
Added a word to calculate cumulative mean.

Signed-off-by: lorynj <lorynj@gmail.com>
2013-05-06 08:15:39 -07:00
Doug Coleman 8c19602ae9 assocs: Add of and ?of. Change all the things at once! Fixes #701. 2013-03-23 14:59:07 -07:00
Doug Coleman 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
Doug Coleman 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
John Benediktsson 1e413edf3a math.statistics: rename full-* to population-*. 2012-11-06 07:16:20 -08:00
Doug Coleman b867a248a2 math.statistics: Add cum-count, cum-sum0, cum-map0. Add docs. 2012-10-25 16:13:25 -07:00
Doug Coleman 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
John Benediktsson 7fb8db2e74 math.statistics: adding a normalized-histogram word. 2012-09-26 08:39:11 -07:00
John Benediktsson a283782abe math.statistics: some fixes to entropy, adding maximum-entropy and normalized-entropy. 2012-09-25 20:17:34 -07:00
Doug Coleman d2317c71f5 math.statistics: add rank-values 2012-09-04 18:52:38 -07:00
John Benediktsson 07b0d52f55 math.statistics: adding winsorized-mean. 2012-05-08 08:48:15 -07:00
John Benediktsson 4c2d01c5ec math.statistics: adding trim-mean and signal-to-noise. 2012-05-08 08:24:57 -07:00
Doug Coleman 9a4e66c8a6 math.statistics: Add power-mean and quadratic-mean. 2012-05-04 15:27:46 -07:00
John Benediktsson 87686a9a31 math.statistics: adding contraharmonic-mean. 2012-05-04 14:43:29 -07:00
John Benediktsson 4339b14d77 math.statistics: adding mean-dev and median-dev. 2012-05-04 14:40:24 -07:00
John Benediktsson bacdd691fc math.statistics: separate "sample-" and "full-" versions of var, std, ste, and corr. 2012-05-04 14:31:26 -07:00
John Benediktsson 0435098bd8 math.statistics: adding standardize, differences, rescale. 2012-05-04 14:18:45 -07:00
John Benediktsson 5878b6982b math.statistics: adding entropy function. 2012-04-26 18:40:59 -07:00
Doug Coleman cd9394f8c6 math.statistics: Add eight methods for calculating quantiles. Add quartile. Add kth-smallests et al, refactor medians. 2012-04-24 03:17:50 -07:00
Doug Coleman 7cb094d521 math.statistics: Make a safe version of kth-object. Bounds check k w/ regards to seq. 2012-04-23 13:55:25 -07:00
Doug Coleman 7ad089b682 math.statistics: Generalize kth-smallest into kth-object, add kth-largest. Add count-relative and minmax-relative for counting the number of lt, eq, gt elements, and getting the max lt and min gt in one pass. 2012-04-22 23:41:13 -07:00
John Benediktsson e9ffd2da37 math.statistics: adding cumulative versions of sum, product, min, and max. 2012-04-12 10:30:16 -07:00
John Benediktsson 57231bfef4 math.statistics: change 'var' to 'sample-var' and implement variance, covariance, and correlation. 2012-04-02 17:12:32 -07:00
Joe Groff 38a5184fdf math.statistics: fix stack effect on collect-by 2011-11-02 13:23:13 -07:00
Doug Coleman 320128c7eb move histogram to math.statistics, write a main article for math.statistics 2009-10-30 02:55:54 -05:00
Doug Coleman 86a1b06034 add a mode word 2009-05-24 15:45:25 -05:00
Doug Coleman 54cb1b9686 median used the wrong algorithm. now it runs in O(n) time. add kth-smallest word, used to implement median 2009-05-18 02:16:03 -05:00
Aaron Schaefer 197bb70893 Move math.statistics to extra 2008-11-18 10:31:07 -05:00