FreeStatistics.org

Free Statistics

of Irreproducible Research!

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 computationSat, 18 Oct 2008 05:32:42 -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/18/t1224329606b5l05t2skc1ffbd.htm/, Retrieved Sun, 19 May 2024 15:58:39 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=16588, Retrieved Sun, 19 May 2024 15:58:39 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact130

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
F     [Univariate Data Series] [uitvoer van belgi...] [2008-10-13 19:28:16] [1e1d8320a8a1170c475bf6e4ce119de6]
- RMPD    [Pearson Correlation] [Pearson Correlati...] [2008-10-18 11:32:42] [fdd69703d301fae09456f660b2f52997] [Current]
Feedback Forum

Post a new message

Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
744.8
672.1
666.6
760.8
756
604.4
883.9
527.9
756.2
812.9
655.6
707.6
612.6
659.2
833.4
727.8
797.2
753
762
613.7
759.2
816.4
736.8
680.1
736.5
637.2
801.9
772.3
897.3
792.1
826.8
666.8
906.6
871.4
891
739.2
833.6
715.6
871.6
751.6
1005.5
681.2
837.3
674.7
806.3
860.2
689.8
691.6
682.6
800.1
1023.7
733.5
875.3
770.2
1005.7
982.3
742.9
974.2
822.3
773.2
Dataseries Y:
Download CSV
Histogram 
53.3
66.9
73.7
71.9
67.9
77.5
82
40.5
76.2
75
64
77.2
63.9
71.4
71.3
50
47.9
55.2
61.8
53.6
60
72.7
63.6
62.1
58.1
68.1
65.5
59.3
65.7
68.3
77.8
49.1
96.9
64.6
67
64.6
84.3
72.6
71.3
52.8
63.9
67.9
74.1
61.7
74.1
83.5
75.6
77.9
69.2
67.8
74.8
69.7
69.9
84.3
81.7
69.3
83.8
96
74.2
70.4

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'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 & 1 seconds \tabularnewline
R Server & 'Gwilym Jenkins' @ 72.249.127.135 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=16588&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]'Gwilym Jenkins' @ 72.249.127.135[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=16588&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=16588&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'Gwilym Jenkins' @ 72.249.127.135






Pearson Product Moment Correlation - Ungrouped Data
StatisticVariable XVariable Y
Mean774.07166666666768.9233333333333
Biased Variance11011.9240305556115.519788888889
Biased Standard Deviation104.93771500540510.7480132531035
Covariance494.336774011299
Correlation0.430986715358885
Determination0.185749548815840
T-Test3.63746544735838
p-value (2 sided)0.000586695517694746
p-value (1 sided)0.000293347758847373
Degrees of Freedom58
Number of Observations60

\begin{tabular}{lllllllll}
\hline
Pearson Product Moment Correlation - Ungrouped Data \tabularnewline
Statistic & Variable X & Variable Y \tabularnewline
Mean & 774.071666666667 & 68.9233333333333 \tabularnewline
Biased Variance & 11011.9240305556 & 115.519788888889 \tabularnewline
Biased Standard Deviation & 104.937715005405 & 10.7480132531035 \tabularnewline
Covariance & 494.336774011299 \tabularnewline
Correlation & 0.430986715358885 \tabularnewline
Determination & 0.185749548815840 \tabularnewline
T-Test & 3.63746544735838 \tabularnewline
p-value (2 sided) & 0.000586695517694746 \tabularnewline
p-value (1 sided) & 0.000293347758847373 \tabularnewline
Degrees of Freedom & 58 \tabularnewline
Number of Observations & 60 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=16588&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]774.071666666667[/C][C]68.9233333333333[/C][/ROW]
[ROW][C]Biased Variance[/C][C]11011.9240305556[/C][C]115.519788888889[/C][/ROW]
[ROW][C]Biased Standard Deviation[/C][C]104.937715005405[/C][C]10.7480132531035[/C][/ROW]
[ROW][C]Covariance[/C][C]494.336774011299[/C][/ROW]
[ROW][C]Correlation[/C][C]0.430986715358885[/C][/ROW]
[ROW][C]Determination[/C][C]0.185749548815840[/C][/ROW]
[ROW][C]T-Test[/C][C]3.63746544735838[/C][/ROW]
[ROW][C]p-value (2 sided)[/C][C]0.000586695517694746[/C][/ROW]
[ROW][C]p-value (1 sided)[/C][C]0.000293347758847373[/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=16588&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=16588&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
Mean774.07166666666768.9233333333333
Biased Variance11011.9240305556115.519788888889
Biased Standard Deviation104.93771500540510.7480132531035
Covariance494.336774011299
Correlation0.430986715358885
Determination0.185749548815840
T-Test3.63746544735838
p-value (2 sided)0.000586695517694746
p-value (1 sided)0.000293347758847373
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')