[
https://issues.apache.org/jira/browse/MATH-1475?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Chao Xue resolved MATH-1475.
----------------------------
Resolution: Fixed
Fix Version/s: 4.0
> KS test throw MathInternalError: illegal state
> ----------------------------------------------
>
> Key: MATH-1475
> URL: https://issues.apache.org/jira/browse/MATH-1475
> Project: Commons Math
> Issue Type: Bug
> Affects Versions: 3.6.1
> Environment: Windows 10 (Professional)
> JDK 8
> Reporter: Chao Xue
> Priority: Critical
> Fix For: 4.0
>
> Attachments: Figure_1.png
>
>
> {code:java}
> public class CC {
> public static void main(String []args) throws Exception{
> double[]x=new double[]{0.12350159883499146, -0.2601194679737091,
> -1.322849988937378, 0.379696249961853, 0.3987586498260498,
> -0.06924121081829071, -0.13951236009597778, 0.3213207423686981,
> 0.7949811816215515, -0.15811105072498322, 0.19912190735340118,
> -0.46363770961761475, -0.20019817352294922, 0.3062838613986969,
> -0.3872813880443573, 0.10733723640441895, 0.10910066962242126,
> 0.625770092010498, 0.2824835777282715, 0.3107619881629944,
> 0.1432388722896576, -0.08056988567113876, -0.5816712379455566,
> -0.09488576650619507, -0.2154506891965866, 0.2509046196937561,
> -0.06600788980722427, -0.01133995596319437, -0.22642627358436584,
> -0.12150175869464874, -0.21109570562839508, -0.17732949554920197,
> -0.2769380807876587, -0.3607368767261505, -0.07842907309532166,
> -0.2518743574619293, 0.035517483949661255, -0.6556509137153625,
> -0.360045850276947, -0.09371964633464813, -0.7284095883369446,
> -0.22719840705394745, -1.5540679693222046, -0.008972732350230217,
> -0.09106933325529099, -0.6465389132499695, 0.036245591938495636,
> 0.657580554485321, 0.32453101873397827, 0.6105462908744812,
> 0.25256943702697754, -0.194427490234375, 0.6238796710968018,
> 0.5203511118888855, -0.2708645761013031, 0.07761227339506149,
> 0.5315862894058228, 0.44320303201675415, 0.6283767819404602,
> 0.2618369162082672, 0.47253096103668213, 0.3889777660369873,
> 0.6856100559234619, 0.3007083833217621, 0.4963226914405823,
> 0.08229698985815048, 0.6170856952667236, 0.7501978874206543,
> 0.5744063258171082, 0.5233180522918701, 0.32654184103012085,
> 0.3014495372772217, 0.4082445800304413, -0.1075737327337265,
> -0.018864337354898453, 0.34642550349235535, 0.6414541602134705,
> 0.16678297519683838, 0.46028634905815125, 0.4151197075843811,
> 0.14407725632190704, 0.41751566529273987, -0.054958608001470566,
> 0.4995657801628113, 0.4485369324684143, 0.5600396990776062,
> 0.4098612368106842, 0.2748555839061737, 0.2562614381313324,
> 0.4324824810028076};
> double[]y=new double[]{2.6881366763426717, 2.685469965655465,
> 2.261888917462379, -2.1933598759641226, -2.4279488152810145,
> -3.159389495849609, -2.3150004548153444, 2.468029206047388,
> 2.9442494682288953, 2.653360013462529, -2.1189940659194835,
> -2.121635289903703, -2.103092459792032, -2.737034221468073,
> -2.203389332350286, 2.1985949039005512, -2.5021604073154737,
> 2.2732754920764533, -2.3867025598454346, 2.135919387338413,
> 2.338120776050672, 2.2579794509726874, 2.083329059799027, -2.209733724709957,
> 2.297192240399189, -2.201703830825843, -3.460208691996806, 2.428839296615834,
> -3.2944259224581574, 2.0654875493620883, -2.743948930837782,
> -2.2240674680805212, -3.646366778182357, -2.12513198437294,
> 2.979166188824589, -2.6275491570089033, -2.3818176136461338,
> 2.882096356968376, -2.2147229261558334, -3.159389495849609,
> 2.312428759406432, 2.3313864098846477, -2.72802504046371,
> -2.4216068225364245, 3.0119599306499123, 2.5753099009496783,
> -2.9200121783556843, -2.519352725437922, -4.133932580227538,
> -2.30496316762808, 2.5381353678521363, 2.4818233632136697,
> 2.5277451177925685, -2.166465445816232, -2.1193897819471563,
> -2.109654332722425, 3.260211545834851, -3.9527673876059013,
> -2.199885089466947, 2.152573429747697, -3.1593894958496094,
> 2.5479522823226795, 3.342810742466116, -2.8197184957304007,
> -2.3407900299253765, -2.3303967152728537, 2.1760131201015565,
> 2.143930552944634, 2.33336231754409, 2.9126278362420575, -2.121169134387265,
> -2.2980208408109095, -2.285400411434817, -2.0742764640932903,
> 2.304178664095016, -2.2893825538911634, -3.7714771984158806,
> -2.7153698816026886, 2.8995011276220226, -2.158787087333056,
> -2.1045987952052547, 2.8478762016468147, -2.694578565956955,
> -2.696014432856399, -2.3190122657403496, -2.48225194403028,
> 3.3393947563371764, 2.7775468034263517, -3.396526561479875,
> -2.699967947404961};
> KolmogorovSmirnovTest kst=new KolmogorovSmirnovTest();
> double p=kst.kolmogorovSmirnovTest(x, y);
> System.out.println(p);
> }
> }
> {code}
> Results:
> run:
> Exception in thread "main"
> org.apache.commons.math3.exception.MathInternalError: illegal state: internal
> error, please fill a bug report at https://issues.apache.org/jira/browse/MATH
> at
> org.apache.commons.math3.stat.inference.KolmogorovSmirnovTest.fixTies(KolmogorovSmirnovTest.java:1171)
> at
> org.apache.commons.math3.stat.inference.KolmogorovSmirnovTest.kolmogorovSmirnovTest(KolmogorovSmirnovTest.java:263)
> at
> org.apache.commons.math3.stat.inference.KolmogorovSmirnovTest.kolmogorovSmirnovTest(KolmogorovSmirnovTest.java:290)
> at com.snplife.common.math.CC.main(CC.java:17)
> C:\Users\xuechao\AppData\Local\NetBeans\Cache\8.2\executor-snippets\run.xml:53:
> Java returned: 1
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