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Description of Statistical Computation

Author's title

Author*Unverified author*
R Software Modulerwasp_correlation.wasp
Title produced by softwarePearson Correlation
Date of computationSun, 06 Jan 2008 07:52:11 -0700
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/Jan/06/t1199631219xq0ye6o5up5fxua.htm/, Retrieved Sun, 05 May 2024 00:58:23 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=7806, Retrieved Sun, 05 May 2024 00:58:23 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywordsInvestigating associations werkgelegenheid VS werkloosheid Q2
Estimated Impact185

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-     [Central Tendency] [WS2 - Robustness ...] [2007-10-20 13:06:37] [5343e105a400b9e32bf6f011133bbaf4]
- RM D    [Pearson Correlation] [CVWS1WG-WLQ3] [2008-01-06 14:52:11] [d41d8cd98f00b204e9800998ecf8427e] [Current]
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Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
59.9
59.9
59.9
60.9
60.9
60.9
61.1
61.1
61.1
60.2
60.2
60.2
60.1
60.1
60.1
59.7
59.7
59.7
60.5
60.5
60.5
59.5
59.5
59.5
59.5
59.5
59.5
59.7
59.7
59.7
60.4
60.4
60.4
60
60
60
59
59
59
59.3
59.3
59.3
59.7
59.7
59.7
60.4
60.4
60.4
59.9
59.9
59.9
60.5
60.5
60.5
60.4
60.4
60.4
60.6
60.6
60.6
60.9
60.9
60.9
61
61
61
61.2
61.2
61.2
61.2
61.2
61.2
60.3
60.3
60.3
60.4
60.4
60.4
61.2
61.2
61.2
62.1
62.1
62.1
61.7
61.7
61.7
61.6
61.6
61.6
Dataseries Y:
Download CSV
Histogram 
8,6
8,6
8,5
8,4
8,3
8,3
8,2
8,2
8,1
8,0
8,0
7,9
7,8
7,8
7,8
7,8
7,8
7,8
7,8
7,8
7,8
7,9
7,9
7,9
8,0
8,0
8,0
8,1
8,1
8,2
8,3
8,3
8,3
8,4
8,5
8,5
8,6
8,6
8,7
8,6
8,7
8,7
8,6
8,6
8,7
8,7
8,7
8,7
8,7
8,7
8,8
8,8
8,8
8,8
8,8
8,8
8,8
8,8
8,9
8,9
8,9
8,9
9,0
8,9
8,9
8,9
8,8
8,8
8,8
8,8
8,7
8,6
8,7
8,6
8,6
8,4
8,4
8,3
8,1
8,1
8,0
8,0
7,9
7,8
7,7
7,6
7,6
7,5
7,5
7,4

Tables (Output of Computation)





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

\begin{tabular}{lllllllll}
\hline
Summary of compuational transaction \tabularnewline
Raw Input & view raw input (R code)  \tabularnewline
Raw Output & view raw output of R engine  \tabularnewline
Computing time & 1 seconds \tabularnewline
R Server & 'Gwilym Jenkins' @ 72.249.127.135 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=7806&T=0

[TABLE]
[ROW][C]Summary of compuational 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]1 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=7806&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=7806&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 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
Mean60.438.34888888888889
Biased Variance0.5461000000000010.180054320987654
Biased Standard Deviation0.7389857914736930.42432808178066
Covariance-0.0533932584269665
Correlation-0.168382153744171
Determination0.0283525496995256
T-Test-1.60244465401832
p-value (2 sided)0.112640948481553
p-value (1 sided)0.0563204742407764
Degrees of Freedom88
Number of Observations90

\begin{tabular}{lllllllll}
\hline
Pearson Product Moment Correlation - Ungrouped Data \tabularnewline
Statistic & Variable X & Variable Y \tabularnewline
Mean & 60.43 & 8.34888888888889 \tabularnewline
Biased Variance & 0.546100000000001 & 0.180054320987654 \tabularnewline
Biased Standard Deviation & 0.738985791473693 & 0.42432808178066 \tabularnewline
Covariance & -0.0533932584269665 \tabularnewline
Correlation & -0.168382153744171 \tabularnewline
Determination & 0.0283525496995256 \tabularnewline
T-Test & -1.60244465401832 \tabularnewline
p-value (2 sided) & 0.112640948481553 \tabularnewline
p-value (1 sided) & 0.0563204742407764 \tabularnewline
Degrees of Freedom & 88 \tabularnewline
Number of Observations & 90 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=7806&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]60.43[/C][C]8.34888888888889[/C][/ROW]
[ROW][C]Biased Variance[/C][C]0.546100000000001[/C][C]0.180054320987654[/C][/ROW]
[ROW][C]Biased Standard Deviation[/C][C]0.738985791473693[/C][C]0.42432808178066[/C][/ROW]
[ROW][C]Covariance[/C][C]-0.0533932584269665[/C][/ROW]
[ROW][C]Correlation[/C][C]-0.168382153744171[/C][/ROW]
[ROW][C]Determination[/C][C]0.0283525496995256[/C][/ROW]
[ROW][C]T-Test[/C][C]-1.60244465401832[/C][/ROW]
[ROW][C]p-value (2 sided)[/C][C]0.112640948481553[/C][/ROW]
[ROW][C]p-value (1 sided)[/C][C]0.0563204742407764[/C][/ROW]
[ROW][C]Degrees of Freedom[/C][C]88[/C][/ROW]
[ROW][C]Number of Observations[/C][C]90[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=7806&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=7806&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
Mean60.438.34888888888889
Biased Variance0.5461000000000010.180054320987654
Biased Standard Deviation0.7389857914736930.42432808178066
Covariance-0.0533932584269665
Correlation-0.168382153744171
Determination0.0283525496995256
T-Test-1.60244465401832
p-value (2 sided)0.112640948481553
p-value (1 sided)0.0563204742407764
Degrees of Freedom88
Number of Observations90


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')