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Description of Statistical Computation

Author's title

Author*The author of this computation has been verified*
R Software Modulerwasp_correlation.wasp
Title produced by softwarePearson Correlation
Date of computationFri, 31 Oct 2008 06:40:16 -0600
Cite this page as followsStatistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?v=date/2008/Oct/31/t1225456899w45sfvi0zu5z4vu.htm/, Retrieved Sat, 11 May 2024 15:41:00 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=20237, Retrieved Sat, 11 May 2024 15:41:00 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact161

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-     [Univariate Data Series] [Bouwvergunningen ...] [2008-10-20 21:37:46] [1376d48f59a7212e8dd85a587491a69b]
F   PD  [Univariate Data Series] [Bouwvergunningen ...] [2008-10-24 14:19:20] [1376d48f59a7212e8dd85a587491a69b]
- RMPD      [Pearson Correlation] [] [2008-10-31 12:40:16] [de3f0516a1536f7c4a656924d8bc8d07] [Current]
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Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
4.2
4.2
4.2
4.2
4.2
4.2
4.2
4.2
4.2
2.6
2.6
2.6
2.6
2.6
2.6
3
3.8
4
3.5
4.1
Dataseries Y:
Download CSV
Histogram 
20,8
20,8
20,8
20,8
20,8
20,8
20,8
20,8
20,8
17,1
17,1
17,1
17,1
17,1
17,1
22,3
25,1
27,7
24,9
29,5

Tables (Output of Computation)





Summary of computational transaction
Raw Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time2 seconds
R Server'Gwilym Jenkins' @ 72.249.127.135

\begin{tabular}{lllllllll}
\hline
Summary of computational transaction \tabularnewline
Raw Input & view raw input (R code)  \tabularnewline
Raw Output & view raw output of R engine  \tabularnewline
Computing time & 2 seconds \tabularnewline
R Server & 'Gwilym Jenkins' @ 72.249.127.135 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=20237&T=0

[TABLE]
[ROW][C]Summary of computational transaction[/C][/ROW]
[ROW][C]Raw Input[/C][C]view raw input (R code) [/C][/ROW]
[ROW][C]Raw Output[/C][C]view raw output of R engine [/C][/ROW]
[ROW][C]Computing time[/C][C]2 seconds[/C][/ROW]
[ROW][C]R Server[/C][C]'Gwilym Jenkins' @ 72.249.127.135[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=20237&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=20237&T=0

As an alternative you can also use a QR Code:  
QR Code


The GUIDs for individual cells are displayed in the table below:

Summary of computational transaction
Raw Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time2 seconds
R Server'Gwilym Jenkins' @ 72.249.127.135






Pearson Product Moment Correlation - Ungrouped Data
StatisticVariable XVariable Y
Mean3.5920.965
Biased Variance0.502912.122275
Biased Standard Deviation0.7091544260596563.48170576011242
Covariance1.52068421052632
Correlation0.585099541945465
Determination0.342341473984793
T-Test3.06101729415992
p-value (2 sided)0.00672873441145283
p-value (1 sided)0.00336436720572642
Degrees of Freedom18
Number of Observations20

\begin{tabular}{lllllllll}
\hline
Pearson Product Moment Correlation - Ungrouped Data \tabularnewline
Statistic & Variable X & Variable Y \tabularnewline
Mean & 3.59 & 20.965 \tabularnewline
Biased Variance & 0.5029 & 12.122275 \tabularnewline
Biased Standard Deviation & 0.709154426059656 & 3.48170576011242 \tabularnewline
Covariance & 1.52068421052632 \tabularnewline
Correlation & 0.585099541945465 \tabularnewline
Determination & 0.342341473984793 \tabularnewline
T-Test & 3.06101729415992 \tabularnewline
p-value (2 sided) & 0.00672873441145283 \tabularnewline
p-value (1 sided) & 0.00336436720572642 \tabularnewline
Degrees of Freedom & 18 \tabularnewline
Number of Observations & 20 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=20237&T=1

[TABLE]
[ROW][C]Pearson Product Moment Correlation - Ungrouped Data[/C][/ROW]
[ROW][C]Statistic[/C][C]Variable X[/C][C]Variable Y[/C][/ROW]
[ROW][C]Mean[/C][C]3.59[/C][C]20.965[/C][/ROW]
[ROW][C]Biased Variance[/C][C]0.5029[/C][C]12.122275[/C][/ROW]
[ROW][C]Biased Standard Deviation[/C][C]0.709154426059656[/C][C]3.48170576011242[/C][/ROW]
[ROW][C]Covariance[/C][C]1.52068421052632[/C][/ROW]
[ROW][C]Correlation[/C][C]0.585099541945465[/C][/ROW]
[ROW][C]Determination[/C][C]0.342341473984793[/C][/ROW]
[ROW][C]T-Test[/C][C]3.06101729415992[/C][/ROW]
[ROW][C]p-value (2 sided)[/C][C]0.00672873441145283[/C][/ROW]
[ROW][C]p-value (1 sided)[/C][C]0.00336436720572642[/C][/ROW]
[ROW][C]Degrees of Freedom[/C][C]18[/C][/ROW]
[ROW][C]Number of Observations[/C][C]20[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=20237&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=20237&T=1

As an alternative you can also use a QR Code:  
QR Code


The GUIDs for individual cells are displayed in the table below:

Pearson Product Moment Correlation - Ungrouped Data
StatisticVariable XVariable Y
Mean3.5920.965
Biased Variance0.502912.122275
Biased Standard Deviation0.7091544260596563.48170576011242
Covariance1.52068421052632
Correlation0.585099541945465
Determination0.342341473984793
T-Test3.06101729415992
p-value (2 sided)0.00672873441145283
p-value (1 sided)0.00336436720572642
Degrees of Freedom18
Number of Observations20


Figures (Output of Computation)

Input Parameters & R Code

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$estimate)[1,1]
load(file='createtable')
a<-table.start()
a<-table.row.start(a)
a<-table.element(a,'Pearson Product Moment Correlation - Ungrouped Data',3,TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Statistic',1,TRUE)
a<-table.element(a,'Variable X',1,TRUE)
a<-table.element(a,'Variable Y',1,TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,hyperlink('arithmetic_mean.htm','Mean',''),header=TRUE)
a<-table.element(a,mean(x))
a<-table.element(a,mean(y))
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,hyperlink('biased.htm','Biased Variance',''),header=TRUE)
a<-table.element(a,varx)
a<-table.element(a,vary)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,hyperlink('biased1.htm','Biased Standard Deviation',''),header=TRUE)
a<-table.element(a,sqrt(varx))
a<-table.element(a,sqrt(vary))
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,hyperlink('covariance.htm','Covariance',''),header=TRUE)
a<-table.element(a,cov(x,y),2)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,hyperlink('pearson_correlation.htm','Correlation',''),header=TRUE)
a<-table.element(a,cxy,2)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,hyperlink('coeff_of_determination.htm','Determination',''),header=TRUE)
a<-table.element(a,cxy*cxy,2)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,hyperlink('ttest_statistic.htm','T-Test',''),header=TRUE)
a<-table.element(a,as.matrix(corxy$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')