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ws4part2.2

*The author of this computation has been verified*

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

Title produced by software: Kendall tau Rank Correlation

Date of computation: Wed, 28 Oct 2009 15:00:19 -0600

Cite this page as follows:

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL http://www.freestatistics.org/blog/date/2009/Oct/28/t1256763664szpfp1dx7qthxt7.htm/, Retrieved Wed, 28 Oct 2009 22:01:05 +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/Oct/28/t1256763664szpfp1dx7qthxt7.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:

shwws4v2.2

Dataseries X:

» Textbox « » Textfile « » CSV «

4.6558633 4.6558633 4.659658371 4.659658371 4.665324109 4.666265285 4.667205577 4.671893818 4.674696249 4.67562865 4.67562865 4.676560182 4.677955856 4.680926798 4.685551298 4.68564357 4.681390212 4.682408966 4.683426684 4.684905154 4.688039664 4.688223741 4.691714787 4.691623074 4.691623074 4.696289779 4.698205052 4.698933716 4.697293475 4.698842662 4.700025717 4.70157068 4.701843073 4.702296897 4.700389453 4.701752284 4.701752284 4.707817023 4.709259895 4.709440107 4.698022803 4.6987516 4.700662167 4.702115392 4.702387637 4.702750514 4.703747749 4.705106015 4.706281687 4.709079649 4.71115051 4.71124045 4.715727177 4.715816706 4.716979861 4.716443188 4.716085247 4.718588153 4.717248089 4.71885595

Dataseries Y:

» Textbox « » Textfile « » CSV «

10.97862649 10.75502641 10.84696534 10.74149237 10.76227628 10.72287083 10.62684866 10.42806814 10.35121362 10.66019621 10.42302512 9.977574096 10.94059671 10.88091101 10.8881096 10.86681453 10.63233966 10.55244771 10.4718082 10.18164945 10.37089406 10.5461306 10.22317688 9.819399172 10.83083691 10.68969238 10.79080251 10.68964682 10.53294918 10.60552014 10.47697807 10.27598171 10.44827973 10.65956258 10.31910099 10.18304924 10.76764253 10.82185612 11.02622319 10.89165233 10.5834735 10.6895557 10.35713947 10.30547997 10.42945791 10.57438912 10.42531246 10.13038405 10.84821024 10.72753141 10.86891125 10.79063779 10.63933496 10.81144365 10.39656663 10.41568224 10.48136416 10.51959169 10.48237361 9.950943494

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	2 seconds
R Server	'RServer@AstonUniversity' @ vre.aston.ac.uk

Kendall tau Rank Correlation
Kendall tau	-0.102404631674290
2-sided p-value	0.250909209251404
Score	-181
Var(Score)	24578.333984375
Denominator	1767.49816894531

Charts produced by software:

http://www.freestatistics.org/blog/date/2009/Oct/28/t1256763664szpfp1dx7qthxt7/1gwor1256763616.png (open in new window)

http://www.freestatistics.org/blog/date/2009/Oct/28/t1256763664szpfp1dx7qthxt7/1gwor1256763616.ps (open in new window)

http://www.freestatistics.org/blog/date/2009/Oct/28/t1256763664szpfp1dx7qthxt7/2bgko1256763616.png (open in new window)

http://www.freestatistics.org/blog/date/2009/Oct/28/t1256763664szpfp1dx7qthxt7/2bgko1256763616.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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