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R Software Module: /rwasp_kendall.wasp (opens new window with default values)

Title produced by software: Kendall tau Rank Correlation

Date of computation: Tue, 10 Nov 2009 04:32:45 -0700

Cite this page as follows:

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL http://www.freestatistics.org/blog/date/2009/Nov/10/t1257852790cctlvjq6ci7nrjg.htm/, Retrieved Tue, 10 Nov 2009 12:33:12 +0100

BibTeX entries for LaTeX users:

@Manual{KEY,
    author = {{YOUR NAME}},
    publisher = {Office for Research Development and Education},
    title = {Statistical Computations at FreeStatistics.org, URL http://www.freestatistics.org/blog/date/2009/Nov/10/t1257852790cctlvjq6ci7nrjg.htm/},
    year = {2009},
}
@Manual{R,
    title = {R: A Language and Environment for Statistical Computing},
    author = {{R Development Core Team}},
    organization = {R Foundation for Statistical Computing},
    address = {Vienna, Austria},
    year = {2009},
    note = {{ISBN} 3-900051-07-0},
    url = {http://www.R-project.org},
}

Original text written by user:

IsPrivate?

No (this computation is public)

User-defined keywords:

Dataseries X:

» Textbox « » Textfile « » CSV «

100 108.1560276 114.0150276 102.1880309 110.3672031 96.8602511 94.1944583 99.51621961 94.06333487 97.5541476 78.15062422 81.2434643 92.36262465 96.06324371 114.0523777 110.6616666 104.9171949 90.00187193 95.7008067 86.02741157 84.85287668 100.04328 80.91713823 74.06539709 77.30281369 97.23043249 90.75515676 100.5614455 92.01293267 99.24012138 105.8672755 90.9920463 93.30624423 91.17419413 77.33295039 91.1277721 85.01249943 83.90390242 104.8626302 110.9039108 95.43714373 111.6238727 108.8925403 96.17511682 101.9740205 99.11953031 86.78158147 118.4195003 118.7441447 106.5296192 134.7772694 104.6778714 105.2954304 139.4139849 103.6060491 99.78182974 103.4610301 120.0594945 96.71377168 107.1308929 105.3608372 111.6942359 132.0519998 126.8037879 154.4824253 141.5570984 109.9506882 127.904198 133.0888617 120.0796299 117.5557142 143.0362309 159.982927 128.5991124 149.7373327 126.8169313 140.9639674 137.6691981 117.9402337 122.3095247 127 etc...

Dataseries Y:

» Textbox « » Textfile « » CSV «

100 211.3043478 333.9130435 187.826087 254.7826087 121.7391304 113.9130435 140.8695652 142.6086957 173.9130435 121.7391304 113.9130435 115.6521739 155.6521739 256.5217391 217.3913043 230.4347826 171.3043478 155.6521739 133.0434783 140.8695652 169.5652174 183.4782609 173.9130435 176.5217391 176.5217391 306.9565217 247.826087 171.3043478 140.8695652 171.3043478 153.0434783 184.3478261 236.5217391 177.3913043 164.3478261 208.6956522 211.3043478 403.4782609 328.6956522 261.7391304 254.7826087 277.3913043 282.6086957 357.3913043 284.3478261 183.4782609 186.0869565 179.1304348 175.6521739 317.3913043 375.6521739 277.3913043 313.9130435 203.4782609 199.1304348 240.8695652 238.2608696 258.2608696 335.6521739 302.6086957 373.9130435 570.4347826 382.6086957 307.826087 435.6521739 306.0869565 250.4347826 350.4347826 426.0869565 477.3913043 437.3913043 334.7826087 305.2173913 571.3043478 523.4782609 426.9565217 360.8695652 267.826087 254.78260 etc...

Output produced by software:

Summary of computational transaction
Raw Input	view raw input (R code)
Raw Output	view raw output of R engine
Computing time	1 seconds
R Server	'Gwilym Jenkins' @ 72.249.127.135

Kendall tau Rank Correlation
Kendall tau	0.530952930450439
2-sided p-value	0
Score	3062
Var(Score)	141858
Denominator	5766.9892578125

Charts produced by software:

http://www.freestatistics.org/blog/date/2009/Nov/10/t1257852790cctlvjq6ci7nrjg/1su1o1257852764.png (open in new window)

http://www.freestatistics.org/blog/date/2009/Nov/10/t1257852790cctlvjq6ci7nrjg/1su1o1257852764.ps (open in new window)

http://www.freestatistics.org/blog/date/2009/Nov/10/t1257852790cctlvjq6ci7nrjg/2z9xz1257852764.png (open in new window)

http://www.freestatistics.org/blog/date/2009/Nov/10/t1257852790cctlvjq6ci7nrjg/2z9xz1257852764.ps (open in new window)

Parameters (Session):

Parameters (R input):

R code (references can be found in the software module):

library('Kendall')

k <- Kendall(x,y)

bitmap(file='test1.png')

par(bg=rgb(0.2,0.4,0.6))

plot(x,y,main='Scatterplot',xlab=xlab,ylab=ylab)

grid()

dev.off()

bitmap(file='test2.png')

par(bg=rgb(0.2,0.4,0.6))

plot(rank(x),rank(y),main='Scatterplot of Ranks',xlab=xlab,ylab=ylab)

grid()

dev.off()

load(file='createtable')

a<-table.start()

a<-table.row.start(a)

a<-table.element(a,'Kendall tau Rank Correlation',2,TRUE)

a<-table.row.end(a)

a<-table.row.start(a)

a<-table.element(a,'Kendall tau',header=TRUE)

a<-table.element(a,k$tau)

a<-table.row.end(a)

a<-table.row.start(a)

a<-table.element(a,'2-sided p-value',header=TRUE)

a<-table.element(a,k$sl)

a<-table.row.end(a)

a<-table.row.start(a)

a<-table.element(a,'Score',header=TRUE)

a<-table.element(a,k$S)

a<-table.row.end(a)

a<-table.row.start(a)

a<-table.element(a,'Var(Score)',header=TRUE)

a<-table.element(a,k$varS)

a<-table.row.end(a)

a<-table.row.start(a)

a<-table.element(a,'Denominator',header=TRUE)

a<-table.element(a,k$D)

a<-table.row.end(a)

a<-table.end(a)

table.save(a,file='mytable.tab')

This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 License.

Software written by Ed van Stee & Patrick Wessa

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