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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 computationMon, 15 Dec 2008 02:26:07 -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/Dec/15/t1229333242s3vj2c7r9mx4jrr.htm/, Retrieved Wed, 15 May 2024 08:39:33 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=33624, Retrieved Wed, 15 May 2024 08:39:33 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact198

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-     [Pearson Correlation] [Correlatie tussen...] [2008-12-15 09:13:47] [1d635fe1113b56bab3f378c464a289bc]
-    D    [Pearson Correlation] [Correlatie tussen...] [2008-12-15 09:26:07] [5c47fb92bd9179cc1ad56f5160f63d38] [Current]
-    D      [Pearson Correlation] [Correlatie tussen...] [2008-12-18 15:40:19] [1d635fe1113b56bab3f378c464a289bc]
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Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
111.8
100.9
102.1
118
110.6
115.1
114.8
110.1
110.8
95.6
108.1
116
111.2
98.2
97.6
113.3
107
107.9
117.5
105.4
104.2
98
106.7
113.4
111.7
94.2
92.5
109.8
105.1
104.4
111.1
98.7
100.5
93.7
103.2
104.1
106.9
89.2
88.7
110.7
98.8
102.5
101.8
96
98.3
94
105.1
114
115.5
94.3
100.8
111.2
103.4
106.7
112.2
100.7
99
91.5
102.7
111.4
Dataseries Y:
Download CSV
Histogram 
129.5
103.7
114.2
123.5
111.3
126.5
119.6
116.5
116.7
119.4
124
130.6
120.1
113.2
111.1
126
115.8
111
128.7
112.6
114.7
118.5
124.8
128.6
127
111.8
100.6
122.9
117.8
108.1
129.6
111.4
110
115.2
118.8
116.2
126.3
106.7
96.5
119.1
109.6
110.3
118.8
104.5
107.7
127.7
118.5
120.1
127.4
107.8
106.5
124.6
101.9
106.5
119.4
103.3
99.6
120.9
111.7
123.9

Tables (Output of Computation)





Summary of computational transaction
Raw Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time1 seconds
R Server'George Udny Yule' @ 72.249.76.132

\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 & 1 seconds \tabularnewline
R Server & 'George Udny Yule' @ 72.249.76.132 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=33624&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]1 seconds[/C][/ROW]
[ROW][C]R Server[/C][C]'George Udny Yule' @ 72.249.76.132[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=33624&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=33624&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 time1 seconds
R Server'George Udny Yule' @ 72.249.76.132






Pearson Product Moment Correlation - Ungrouped Data
StatisticVariable XVariable Y
Mean104.645116.155
Biased Variance56.110141666666772.9791416666667
Biased Standard Deviation7.490670308234558.54278301648044
Covariance42.7057881355932
Correlation0.65624717103745
Determination0.430660349494656
T-Test6.62362483467374
p-value (2 sided)1.25299925990419e-08
p-value (1 sided)6.26499629952093e-09
Degrees of Freedom58
Number of Observations60

\begin{tabular}{lllllllll}
\hline
Pearson Product Moment Correlation - Ungrouped Data \tabularnewline
Statistic & Variable X & Variable Y \tabularnewline
Mean & 104.645 & 116.155 \tabularnewline
Biased Variance & 56.1101416666667 & 72.9791416666667 \tabularnewline
Biased Standard Deviation & 7.49067030823455 & 8.54278301648044 \tabularnewline
Covariance & 42.7057881355932 \tabularnewline
Correlation & 0.65624717103745 \tabularnewline
Determination & 0.430660349494656 \tabularnewline
T-Test & 6.62362483467374 \tabularnewline
p-value (2 sided) & 1.25299925990419e-08 \tabularnewline
p-value (1 sided) & 6.26499629952093e-09 \tabularnewline
Degrees of Freedom & 58 \tabularnewline
Number of Observations & 60 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=33624&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]104.645[/C][C]116.155[/C][/ROW]
[ROW][C]Biased Variance[/C][C]56.1101416666667[/C][C]72.9791416666667[/C][/ROW]
[ROW][C]Biased Standard Deviation[/C][C]7.49067030823455[/C][C]8.54278301648044[/C][/ROW]
[ROW][C]Covariance[/C][C]42.7057881355932[/C][/ROW]
[ROW][C]Correlation[/C][C]0.65624717103745[/C][/ROW]
[ROW][C]Determination[/C][C]0.430660349494656[/C][/ROW]
[ROW][C]T-Test[/C][C]6.62362483467374[/C][/ROW]
[ROW][C]p-value (2 sided)[/C][C]1.25299925990419e-08[/C][/ROW]
[ROW][C]p-value (1 sided)[/C][C]6.26499629952093e-09[/C][/ROW]
[ROW][C]Degrees of Freedom[/C][C]58[/C][/ROW]
[ROW][C]Number of Observations[/C][C]60[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=33624&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=33624&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
Mean104.645116.155
Biased Variance56.110141666666772.9791416666667
Biased Standard Deviation7.490670308234558.54278301648044
Covariance42.7057881355932
Correlation0.65624717103745
Determination0.430660349494656
T-Test6.62362483467374
p-value (2 sided)1.25299925990419e-08
p-value (1 sided)6.26499629952093e-09
Degrees of Freedom58
Number of Observations60


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')