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scatter plot

*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: Mon, 14 Dec 2009 07:31:58 -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/Dec/14/t126080114669497wcuv0cylns.htm/, Retrieved Mon, 14 Dec 2009 15:32:28 +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/Dec/14/t126080114669497wcuv0cylns.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 97.56592292 93.71196755 92.69776876 89.65517241 89.04665314 98.98580122 105.6795132 101.6227181 98.37728195 94.11764706 93.30628803 94.72616633 93.30628803 90.87221095 89.85801217 88.43813387 87.42393509 98.17444219 103.4482759 104.0567951 102.0283976 95.53752535 95.53752535 96.55172414 96.34888438 95.3346856 93.50912779 92.29208925 92.49492901 104.8681542 106.4908722 106.0851927 105.2738337 103.2454361 103.8539554 105.2738337 104.8681542 103.4482759 103.2454361 101.6227181 102.8397566 115.4158215 117.6470588 117.2413793 114.6044625 110.9533469 112.5760649 113.9959432 113.7931034 112.5760649 110.3448276 108.9249493 110.1419878 120.4868154 123.9350913 124.3407708 123.9350913 120.4868154 120.6896552 119.8782961 119.4726166 118.4584178 116.2271805 115.010142 115.4158215 125.9634888 127.5862069 127.3833671 124.137931 120.6896552 121.0953347 120.2839757 119.6754564 117.6470588 116.4300203 116.2271805 116.2271805 125.7606491 126.9776 etc...

Dataseries Y:

» Textbox « » Textfile « » CSV «

100 112.0967742 128.2258065 107.2580645 125.8064516 114.516129 109.6774194 98.38709677 128.2258065 133.0645161 127.4193548 116.1290323 120.9677419 120.1612903 135.483871 115.3225806 125 125.8064516 117.7419355 100.8064516 119.3548387 128.2258065 119.3548387 104.0322581 115.3225806 114.516129 128.2258065 123.3870968 125 121.7741935 120.9677419 97.58064516 127.4193548 136.2903226 113.7096774 110.483871 119.3548387 118.5483871 129.0322581 124.1935484 120.9677419 125 121.7741935 94.35483871 131.4516129 134.6774194 120.9677419 120.1612903 117.7419355 123.3870968 144.3548387 132.2580645 124.1935484 144.3548387 128.2258065 112.0967742 143.5483871 144.3548387 140.3225806 134.6774194 129.0322581 133.8709677 154.0322581 143.5483871 138.7096774 150 131.4516129 121.7741935 154.8387097 142.7419355 154.0322581 145.1612903 141.1290323 143.5483871 170.1612903 138.7096774 156.4516129 159.6774194 141.9354839 130.6451613 157.2580645 160.483871 161 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	0.187969446182251
2-sided p-value	0.00423204898834229
Score	1078
Var(Score)	141775.59375
Denominator	5734.974609375

Charts produced by software:

http://www.freestatistics.org/blog/date/2009/Dec/14/t126080114669497wcuv0cylns/1ki6d1260801117.png (open in new window)

http://www.freestatistics.org/blog/date/2009/Dec/14/t126080114669497wcuv0cylns/1ki6d1260801117.ps (open in new window)

http://www.freestatistics.org/blog/date/2009/Dec/14/t126080114669497wcuv0cylns/2liey1260801117.png (open in new window)

http://www.freestatistics.org/blog/date/2009/Dec/14/t126080114669497wcuv0cylns/2liey1260801117.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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