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associatie prijs - inschrijvingen diesel

R Software Module: rwasp_correlation.wasp (opens new window with default values)
Title produced by software: Pearson Correlation
Date of computation: Thu, 13 Dec 2007 11:36:48 -0700
 
Cite this page as follows:
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL http://www.freestatistics.org/blog/date/2007/Dec/13/t11975701376c2gw3bx7whi8m8.htm/, Retrieved Thu, 13 Dec 2007 19:22:18 +0100
 
User-defined keywords:
 
Dataseries X:
» Textbox « » Textfile « » CSV «
36.429 32.720 34.490 34.749 30.945 34.302 30.400 25.543 32.188 34.395 27.148 26.634 34.257 34.794 38.927 38.512 33.325 40.658 32.719 29.323 34.384 35.153 30.937 28.079 39.703 35.245 41.324 40.802 37.732 41.527 33.441 32.885 36.804 35.593 34.355 27.045 45.587 40.370 48.209 40.275 36.760 42.588 35.365 33.014 36.944 35.649 34.814 26.041 45.636 40.040 47.725 40.263 43.339 47.283 40.492 35.768 28.539 42.971 36.144 26.950
 
Dataseries Y:
» Textbox « » Textfile « » CSV «
0.776323 0.803643 0.830645 0.761033 0.721871 0.729290 0.733387 0.758839 0.754233 0.775806 0.777533 0.770161 0.768000 0.763517 0.809839 0.836967 0.863710 0.850267 0.869452 0.921548 0.936467 0.983226 0.957600 0.933323 0.901355 0.924464 0.980613 1.019533 1.007839 1.071067 1.094581 1.109226 1.129067 1.123742 1.074000 1.044968 1.062903 1.066464 1.088484 1.117633 1.108419 1.105600 1.113065 1.110387 1.055900 1.037032 1.043267 1.038387 0.997839 1.015259 1.054613 1.083000 1.085032 1.099533 1.114419 1.103710 1.130179 1.158677 1.240667 1.216801
 
Text written by user:
 
Output produced by software:


Summary of compuational transaction
Raw Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time1 seconds
R Server'Gwilym Jenkins' @ 72.249.127.135


Pearson Product Moment Correlation - Ungrouped Data
StatisticVariable XVariable Y
Mean35.970550.973573416666667
Biased Variance30.78648418083330.0206354655107097
Biased Standard Deviation5.548556945804320.143650497773971
Covariance0.280202861597458
Correlation0.345689465124077
Determination0.119501206297771
T-Test2.80566464008607
p-value (2 sided)0.00682374276496134
p-value (1 sided)0.00341187138248067
Degrees of Freedom58
Number of Observations60
 
Charts produced by software:
http://127.0.0.1/wessadotnet/public_html/freestatisticsdotorg/blog/date/2007/Dec/13/t11975701376c2gw3bx7whi8m8/174uy1197571007.png (open in new window)
http://127.0.0.1/wessadotnet/public_html/freestatisticsdotorg/blog/date/2007/Dec/13/t11975701376c2gw3bx7whi8m8/174uy1197571007.ps (open in new window)


 
Parameters (Session):
 
Parameters (R input):
 
R code (references can be found in the software module):
bitmap(file='test1.png')
histx <- hist(x, plot=FALSE)
histy <- hist(y, plot=FALSE)
maxcounts <- max(c(histx$counts, histx$counts))
xrange <- c(min(x),max(x))
yrange <- c(min(y),max(y))
nf <- layout(matrix(c(2,0,1,3),2,2,byrow=TRUE), c(3,1), c(1,3), TRUE)
par(mar=c(4,4,1,1))
plot(x, y, xlim=xrange, ylim=yrange, xlab=xlab, ylab=ylab)
par(mar=c(0,4,1,1))
barplot(histx$counts, axes=FALSE, ylim=c(0, maxcounts), space=0)
par(mar=c(4,0,1,1))
barplot(histy$counts, axes=FALSE, xlim=c(0, maxcounts), space=0, horiz=TRUE)
dev.off()
lx = length(x)
makebiased = (lx-1)/lx
varx = var(x)*makebiased
vary = var(y)*makebiased
corxy <- cor.test(x,y,method='pearson')
cxy <- as.matrix(corxy$estimate)[1,1]
load(file='createtable')
a<-table.start()
a<-table.row.start(a)
a<-table.element(a,'Pearson Product Moment Correlation - Ungrouped Data',3,TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Statistic',1,TRUE)
a<-table.element(a,'Variable X',1,TRUE)
a<-table.element(a,'Variable Y',1,TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,hyperlink('http://www.xycoon.com/arithmetic_mean.htm','Mean',''),header=TRUE)
a<-table.element(a,mean(x))
a<-table.element(a,mean(y))
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,hyperlink('http://www.xycoon.com/biased.htm','Biased Variance',''),header=TRUE)
a<-table.element(a,varx)
a<-table.element(a,vary)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,hyperlink('http://www.xycoon.com/biased1.htm','Biased Standard Deviation',''),header=TRUE)
a<-table.element(a,sqrt(varx))
a<-table.element(a,sqrt(vary))
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,hyperlink('http://www.xycoon.com/covariance.htm','Covariance',''),header=TRUE)
a<-table.element(a,cov(x,y),2)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,hyperlink('http://www.xycoon.com/pearson_correlation.htm','Correlation',''),header=TRUE)
a<-table.element(a,cxy,2)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,hyperlink('http://www.xycoon.com/coeff_of_determination.htm','Determination',''),header=TRUE)
a<-table.element(a,cxy*cxy,2)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,hyperlink('http://www.xycoon.com/ttest_statistic.htm','T-Test',''),header=TRUE)
a<-table.element(a,as.matrix(corxy$statistic)[1,1],2)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'p-value (2 sided)',header=TRUE)
a<-table.element(a,(p2 <- as.matrix(corxy$p.value)[1,1]),2)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'p-value (1 sided)',header=TRUE)
a<-table.element(a,p2/2,2)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Degrees of Freedom',header=TRUE)
a<-table.element(a,lx-2,2)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Number of Observations',header=TRUE)
a<-table.element(a,lx,2)
a<-table.row.end(a)
a<-table.end(a)
table.save(a,file='mytable.tab')
 





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Software written by Ed van Stee & Patrick Wessa


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