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Author*Unverified author*
R Software Modulerwasp_smp.wasp
Title produced by softwareStandard Deviation-Mean Plot
Date of computationWed, 04 Dec 2013 07:57:55 -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/2013/Dec/04/t1386161894ojgr63zh4qnp8fm.htm/, Retrieved Thu, 25 Apr 2024 19:57:53 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=230584, Retrieved Thu, 25 Apr 2024 19:57:53 +0000
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Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact82
Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-       [Standard Deviation-Mean Plot] [] [2013-12-04 12:57:55] [51fe0640a383c3aded7defd919b1cd8b] [Current]
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Dataseries X:
1.38
1.96
1.36
1.24
1.35
1.23
1.09
1.08
1.33
1.35
1.38
1.5
1.47
2.09
1.52
1.29
1.52
1.27
1.35
1.29
1.41
1.39
1.45
1.53
1.45
2.11
1.53
1.38
1.54
1.35
1.29
1.33
1.47
1.47
1.54
1.59
1.5
2
1.51
1.4
1.62
1.44
1.29
1.28
1.4
1.39
1.46
1.49
1.45
2.05
1.59
1.42
1.73
1.39
1.23
1.37
1.51
1.47
1.5
1.54
1.54
2.15
1.62
1.4
1.65
1.49
1.45
1.45
1.51
1.48
1.56
1.57
1.57
2.28
1.7
1.56
1.8
1.56
1.51
1.46
1.51
1.55
1.57
1.64




Summary of computational transaction
Raw Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time3 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 & 3 seconds \tabularnewline
R Server & 'Gwilym Jenkins' @ jenkins.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=230584&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]3 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=230584&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=230584&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 time3 seconds
R Server'Gwilym Jenkins' @ jenkins.wessa.net







Standard Deviation-Mean Plot
SectionMeanStandard DeviationRange
11.354166666666670.2263729157158540.88
21.4650.2179032312330820.82
31.504166666666670.2128361868297830.82
41.481666666666670.1883822677108410.72
51.520833333333330.207077426597060.82
61.57250.1958721753871870.75
71.64250.2206653163009130.82

\begin{tabular}{lllllllll}
\hline
Standard Deviation-Mean Plot \tabularnewline
Section & Mean & Standard Deviation & Range \tabularnewline
1 & 1.35416666666667 & 0.226372915715854 & 0.88 \tabularnewline
2 & 1.465 & 0.217903231233082 & 0.82 \tabularnewline
3 & 1.50416666666667 & 0.212836186829783 & 0.82 \tabularnewline
4 & 1.48166666666667 & 0.188382267710841 & 0.72 \tabularnewline
5 & 1.52083333333333 & 0.20707742659706 & 0.82 \tabularnewline
6 & 1.5725 & 0.195872175387187 & 0.75 \tabularnewline
7 & 1.6425 & 0.220665316300913 & 0.82 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=230584&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]1.35416666666667[/C][C]0.226372915715854[/C][C]0.88[/C][/ROW]
[ROW][C]2[/C][C]1.465[/C][C]0.217903231233082[/C][C]0.82[/C][/ROW]
[ROW][C]3[/C][C]1.50416666666667[/C][C]0.212836186829783[/C][C]0.82[/C][/ROW]
[ROW][C]4[/C][C]1.48166666666667[/C][C]0.188382267710841[/C][C]0.72[/C][/ROW]
[ROW][C]5[/C][C]1.52083333333333[/C][C]0.20707742659706[/C][C]0.82[/C][/ROW]
[ROW][C]6[/C][C]1.5725[/C][C]0.195872175387187[/C][C]0.75[/C][/ROW]
[ROW][C]7[/C][C]1.6425[/C][C]0.220665316300913[/C][C]0.82[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=230584&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=230584&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
11.354166666666670.2263729157158540.88
21.4650.2179032312330820.82
31.504166666666670.2128361868297830.82
41.481666666666670.1883822677108410.72
51.520833333333330.207077426597060.82
61.57250.1958721753871870.75
71.64250.2206653163009130.82







Regression: S.E.(k) = alpha + beta * Mean(k)
alpha0.266145839455803
beta-0.0373700393469116
S.D.0.0660374241718603
T-STAT-0.565891838083466
p-value0.595919112867683

\begin{tabular}{lllllllll}
\hline
Regression: S.E.(k) = alpha + beta * Mean(k) \tabularnewline
alpha & 0.266145839455803 \tabularnewline
beta & -0.0373700393469116 \tabularnewline
S.D. & 0.0660374241718603 \tabularnewline
T-STAT & -0.565891838083466 \tabularnewline
p-value & 0.595919112867683 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=230584&T=2

[TABLE]
[ROW][C]Regression: S.E.(k) = alpha + beta * Mean(k)[/C][/ROW]
[ROW][C]alpha[/C][C]0.266145839455803[/C][/ROW]
[ROW][C]beta[/C][C]-0.0373700393469116[/C][/ROW]
[ROW][C]S.D.[/C][C]0.0660374241718603[/C][/ROW]
[ROW][C]T-STAT[/C][C]-0.565891838083466[/C][/ROW]
[ROW][C]p-value[/C][C]0.595919112867683[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=230584&T=2

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=230584&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)
alpha0.266145839455803
beta-0.0373700393469116
S.D.0.0660374241718603
T-STAT-0.565891838083466
p-value0.595919112867683







Regression: ln S.E.(k) = alpha + beta * ln Mean(k)
alpha-1.4485668495345
beta-0.280910826482
S.D.0.476301822430799
T-STAT-0.589774830271226
p-value0.580983456656282
Lambda1.280910826482

\begin{tabular}{lllllllll}
\hline
Regression: ln S.E.(k) = alpha + beta * ln Mean(k) \tabularnewline
alpha & -1.4485668495345 \tabularnewline
beta & -0.280910826482 \tabularnewline
S.D. & 0.476301822430799 \tabularnewline
T-STAT & -0.589774830271226 \tabularnewline
p-value & 0.580983456656282 \tabularnewline
Lambda & 1.280910826482 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=230584&T=3

[TABLE]
[ROW][C]Regression: ln S.E.(k) = alpha + beta * ln Mean(k)[/C][/ROW]
[ROW][C]alpha[/C][C]-1.4485668495345[/C][/ROW]
[ROW][C]beta[/C][C]-0.280910826482[/C][/ROW]
[ROW][C]S.D.[/C][C]0.476301822430799[/C][/ROW]
[ROW][C]T-STAT[/C][C]-0.589774830271226[/C][/ROW]
[ROW][C]p-value[/C][C]0.580983456656282[/C][/ROW]
[ROW][C]Lambda[/C][C]1.280910826482[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=230584&T=3

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=230584&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-1.4485668495345
beta-0.280910826482
S.D.0.476301822430799
T-STAT-0.589774830271226
p-value0.580983456656282
Lambda1.280910826482



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')