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Author*Unverified author*
R Software Modulerwasp_smp.wasp
Title produced by softwareStandard Deviation-Mean Plot
Date of computationWed, 12 Dec 2012 08:20:46 -0500
Cite this page as followsStatistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?v=date/2012/Dec/12/t13553184575egqpppbldc8bud.htm/, Retrieved Sun, 28 Apr 2024 22:53:35 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=198870, Retrieved Sun, 28 Apr 2024 22:53:35 +0000
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Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact110
Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-       [Standard Deviation-Mean Plot] [] [2012-12-12 13:20:46] [eb7c3df32e1deded9387ee1ff8d7fc91] [Current]
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Dataseries X:
1.26
1.26
1.28
1.34
1.39
1.47
1.57
1.63
1.72
1.43
1.35
1.41
1.44
1.43
1.43
1.42
1.45
1.51
1.48
1.48
1.45
1.38
1.46
1.45
1.41
1.45
1.47
1.47
1.53
1.56
1.66
1.79
1.78
1.46
1.41
1.43
1.43
1.45
1.35
1.35
1.29
1.29
1.26
1.3
1.3
1.16
1.24
1.15
1.21
1.22
1.17
1.13
1.15
1.2
1.23
1.25
1.38
1.28
1.26
1.25
1.26
1.28
1.31
1.22
1.23
1.36
1.54
1.58
1.44
1.29
1.28
1.23




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

\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' @ jenkins.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=198870&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' @ jenkins.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=198870&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=198870&T=0

As an alternative you can also use a 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' @ jenkins.wessa.net







Standard Deviation-Mean Plot
SectionMeanStandard DeviationRange
11.425833333333330.1482907667899510.46
21.448333333333330.0332574894732090.13
31.5350.1364817670140330.38
41.29750.09136589775582180.3
51.22750.06607502622707840.25
61.3350.1218419244162470.36

\begin{tabular}{lllllllll}
\hline
Standard Deviation-Mean Plot \tabularnewline
Section & Mean & Standard Deviation & Range \tabularnewline
1 & 1.42583333333333 & 0.148290766789951 & 0.46 \tabularnewline
2 & 1.44833333333333 & 0.033257489473209 & 0.13 \tabularnewline
3 & 1.535 & 0.136481767014033 & 0.38 \tabularnewline
4 & 1.2975 & 0.0913658977558218 & 0.3 \tabularnewline
5 & 1.2275 & 0.0660750262270784 & 0.25 \tabularnewline
6 & 1.335 & 0.121841924416247 & 0.36 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=198870&T=1

[TABLE]
[ROW][C]Standard Deviation-Mean Plot[/C][/ROW]
[ROW][C]Section[/C][C]Mean[/C][C]Standard Deviation[/C][C]Range[/C][/ROW]
[ROW][C]1[/C][C]1.42583333333333[/C][C]0.148290766789951[/C][C]0.46[/C][/ROW]
[ROW][C]2[/C][C]1.44833333333333[/C][C]0.033257489473209[/C][C]0.13[/C][/ROW]
[ROW][C]3[/C][C]1.535[/C][C]0.136481767014033[/C][C]0.38[/C][/ROW]
[ROW][C]4[/C][C]1.2975[/C][C]0.0913658977558218[/C][C]0.3[/C][/ROW]
[ROW][C]5[/C][C]1.2275[/C][C]0.0660750262270784[/C][C]0.25[/C][/ROW]
[ROW][C]6[/C][C]1.335[/C][C]0.121841924416247[/C][C]0.36[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=198870&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=198870&T=1

As an alternative you can also use a QR Code:  

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

Standard Deviation-Mean Plot
SectionMeanStandard DeviationRange
11.425833333333330.1482907667899510.46
21.448333333333330.0332574894732090.13
31.5350.1364817670140330.38
41.29750.09136589775582180.3
51.22750.06607502622707840.25
61.3350.1218419244162470.36







Regression: S.E.(k) = alpha + beta * Mean(k)
alpha-0.0803409094760909
beta0.130528065528516
S.D.0.186517977567252
T-STAT0.699814930608776
p-value0.522604148346157

\begin{tabular}{lllllllll}
\hline
Regression: S.E.(k) = alpha + beta * Mean(k) \tabularnewline
alpha & -0.0803409094760909 \tabularnewline
beta & 0.130528065528516 \tabularnewline
S.D. & 0.186517977567252 \tabularnewline
T-STAT & 0.699814930608776 \tabularnewline
p-value & 0.522604148346157 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=198870&T=2

[TABLE]
[ROW][C]Regression: S.E.(k) = alpha + beta * Mean(k)[/C][/ROW]
[ROW][C]alpha[/C][C]-0.0803409094760909[/C][/ROW]
[ROW][C]beta[/C][C]0.130528065528516[/C][/ROW]
[ROW][C]S.D.[/C][C]0.186517977567252[/C][/ROW]
[ROW][C]T-STAT[/C][C]0.699814930608776[/C][/ROW]
[ROW][C]p-value[/C][C]0.522604148346157[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=198870&T=2

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=198870&T=2

As an alternative you can also use a QR Code:  

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

Regression: S.E.(k) = alpha + beta * Mean(k)
alpha-0.0803409094760909
beta0.130528065528516
S.D.0.186517977567252
T-STAT0.699814930608776
p-value0.522604148346157







Regression: ln S.E.(k) = alpha + beta * ln Mean(k)
alpha-2.77798075460473
beta1.12648303715103
S.D.3.42306462875002
T-STAT0.32908611414748
p-value0.758600205732454
Lambda-0.126483037151028

\begin{tabular}{lllllllll}
\hline
Regression: ln S.E.(k) = alpha + beta * ln Mean(k) \tabularnewline
alpha & -2.77798075460473 \tabularnewline
beta & 1.12648303715103 \tabularnewline
S.D. & 3.42306462875002 \tabularnewline
T-STAT & 0.32908611414748 \tabularnewline
p-value & 0.758600205732454 \tabularnewline
Lambda & -0.126483037151028 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=198870&T=3

[TABLE]
[ROW][C]Regression: ln S.E.(k) = alpha + beta * ln Mean(k)[/C][/ROW]
[ROW][C]alpha[/C][C]-2.77798075460473[/C][/ROW]
[ROW][C]beta[/C][C]1.12648303715103[/C][/ROW]
[ROW][C]S.D.[/C][C]3.42306462875002[/C][/ROW]
[ROW][C]T-STAT[/C][C]0.32908611414748[/C][/ROW]
[ROW][C]p-value[/C][C]0.758600205732454[/C][/ROW]
[ROW][C]Lambda[/C][C]-0.126483037151028[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=198870&T=3

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=198870&T=3

As an alternative you can also use a QR Code:  

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

Regression: ln S.E.(k) = alpha + beta * ln Mean(k)
alpha-2.77798075460473
beta1.12648303715103
S.D.3.42306462875002
T-STAT0.32908611414748
p-value0.758600205732454
Lambda-0.126483037151028



Parameters (Session):
par1 = 12 ;
Parameters (R input):
par1 = 12 ;
R code (references can be found in the software module):
par1 <- as.numeric(par1)
(n <- length(x))
(np <- floor(n / par1))
arr <- array(NA,dim=c(par1,np))
j <- 0
k <- 1
for (i in 1:(np*par1))
{
j = j + 1
arr[j,k] <- x[i]
if (j == par1) {
j = 0
k=k+1
}
}
arr
arr.mean <- array(NA,dim=np)
arr.sd <- array(NA,dim=np)
arr.range <- array(NA,dim=np)
for (j in 1:np)
{
arr.mean[j] <- mean(arr[,j],na.rm=TRUE)
arr.sd[j] <- sd(arr[,j],na.rm=TRUE)
arr.range[j] <- max(arr[,j],na.rm=TRUE) - min(arr[,j],na.rm=TRUE)
}
arr.mean
arr.sd
arr.range
(lm1 <- lm(arr.sd~arr.mean))
(lnlm1 <- lm(log(arr.sd)~log(arr.mean)))
(lm2 <- lm(arr.range~arr.mean))
bitmap(file='test1.png')
plot(arr.mean,arr.sd,main='Standard Deviation-Mean Plot',xlab='mean',ylab='standard deviation')
dev.off()
bitmap(file='test2.png')
plot(arr.mean,arr.range,main='Range-Mean Plot',xlab='mean',ylab='range')
dev.off()
load(file='createtable')
a<-table.start()
a<-table.row.start(a)
a<-table.element(a,'Standard Deviation-Mean Plot',4,TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Section',header=TRUE)
a<-table.element(a,'Mean',header=TRUE)
a<-table.element(a,'Standard Deviation',header=TRUE)
a<-table.element(a,'Range',header=TRUE)
a<-table.row.end(a)
for (j in 1:np) {
a<-table.row.start(a)
a<-table.element(a,j,header=TRUE)
a<-table.element(a,arr.mean[j])
a<-table.element(a,arr.sd[j] )
a<-table.element(a,arr.range[j] )
a<-table.row.end(a)
}
a<-table.end(a)
table.save(a,file='mytable.tab')
a<-table.start()
a<-table.row.start(a)
a<-table.element(a,'Regression: S.E.(k) = alpha + beta * Mean(k)',2,TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'alpha',header=TRUE)
a<-table.element(a,lm1$coefficients[[1]])
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'beta',header=TRUE)
a<-table.element(a,lm1$coefficients[[2]])
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'S.D.',header=TRUE)
a<-table.element(a,summary(lm1)$coefficients[2,2])
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'T-STAT',header=TRUE)
a<-table.element(a,summary(lm1)$coefficients[2,3])
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'p-value',header=TRUE)
a<-table.element(a,summary(lm1)$coefficients[2,4])
a<-table.row.end(a)
a<-table.end(a)
table.save(a,file='mytable1.tab')
a<-table.start()
a<-table.row.start(a)
a<-table.element(a,'Regression: ln S.E.(k) = alpha + beta * ln Mean(k)',2,TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'alpha',header=TRUE)
a<-table.element(a,lnlm1$coefficients[[1]])
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'beta',header=TRUE)
a<-table.element(a,lnlm1$coefficients[[2]])
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'S.D.',header=TRUE)
a<-table.element(a,summary(lnlm1)$coefficients[2,2])
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'T-STAT',header=TRUE)
a<-table.element(a,summary(lnlm1)$coefficients[2,3])
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'p-value',header=TRUE)
a<-table.element(a,summary(lnlm1)$coefficients[2,4])
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Lambda',header=TRUE)
a<-table.element(a,1-lnlm1$coefficients[[2]])
a<-table.row.end(a)
a<-table.end(a)
table.save(a,file='mytable2.tab')