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Author's title

Author*Unverified author*
R Software Modulerwasp_smp.wasp
Title produced by softwareStandard Deviation-Mean Plot
Date of computationWed, 25 Apr 2012 05:45:22 -0400
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/Apr/25/t1335347141dwcxehz50ylswea.htm/, Retrieved Mon, 06 May 2024 12:02:45 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=164789, Retrieved Mon, 06 May 2024 12:02:45 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact128
Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-       [Standard Deviation-Mean Plot] [opgave 8: prijsev...] [2012-04-25 09:45:22] [b6f30dd2dbd531a0598f7d35351b79f0] [Current]
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Dataseries X:
1.78
1.79
1.8
1.82
1.82
1.83
1.84
1.84
1.83
1.83
1.83
1.84
1.86
1.85
1.85
1.85
1.84
1.85
1.85
1.83
1.82
1.84
1.85
1.88
1.91
1.93
1.91
1.9
1.9
1.89
1.88
1.88
1.92
1.98
2
2
2.02
2.01
2.05
2.07
2.07
2.04
2.05
2.05
2.04
2.03
2.04
2.04
2.1
2.09
2.1
2.09
2.08
2.1
2.11
2.08
2.09
2.1
2.09
2.09




Summary of computational transaction
Raw Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time1 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 & 1 seconds \tabularnewline
R Server & 'Gwilym Jenkins' @ jenkins.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=164789&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' @ jenkins.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=164789&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=164789&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 time1 seconds
R Server'Gwilym Jenkins' @ jenkins.wessa.net







Standard Deviation-Mean Plot
SectionMeanStandard DeviationRange
11.820833333333330.02020725942163690.0600000000000001
21.84750.01484771179187370.0599999999999998
31.9250.04400413203738530.12
42.04250.01764549903980150.0600000000000001
52.093333333333330.008876253645985950.0299999999999998

\begin{tabular}{lllllllll}
\hline
Standard Deviation-Mean Plot \tabularnewline
Section & Mean & Standard Deviation & Range \tabularnewline
1 & 1.82083333333333 & 0.0202072594216369 & 0.0600000000000001 \tabularnewline
2 & 1.8475 & 0.0148477117918737 & 0.0599999999999998 \tabularnewline
3 & 1.925 & 0.0440041320373853 & 0.12 \tabularnewline
4 & 2.0425 & 0.0176454990398015 & 0.0600000000000001 \tabularnewline
5 & 2.09333333333333 & 0.00887625364598595 & 0.0299999999999998 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=164789&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]1.82083333333333[/C][C]0.0202072594216369[/C][C]0.0600000000000001[/C][/ROW]
[ROW][C]2[/C][C]1.8475[/C][C]0.0148477117918737[/C][C]0.0599999999999998[/C][/ROW]
[ROW][C]3[/C][C]1.925[/C][C]0.0440041320373853[/C][C]0.12[/C][/ROW]
[ROW][C]4[/C][C]2.0425[/C][C]0.0176454990398015[/C][C]0.0600000000000001[/C][/ROW]
[ROW][C]5[/C][C]2.09333333333333[/C][C]0.00887625364598595[/C][C]0.0299999999999998[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=164789&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=164789&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
11.820833333333330.02020725942163690.0600000000000001
21.84750.01484771179187370.0599999999999998
31.9250.04400413203738530.12
42.04250.01764549903980150.0600000000000001
52.093333333333330.008876253645985950.0299999999999998







Regression: S.E.(k) = alpha + beta * Mean(k)
alpha0.0857513195313902
beta-0.0332172068577577
S.D.0.0623669914167932
T-STAT-0.532608774339778
p-value0.631230325109759

\begin{tabular}{lllllllll}
\hline
Regression: S.E.(k) = alpha + beta * Mean(k) \tabularnewline
alpha & 0.0857513195313902 \tabularnewline
beta & -0.0332172068577577 \tabularnewline
S.D. & 0.0623669914167932 \tabularnewline
T-STAT & -0.532608774339778 \tabularnewline
p-value & 0.631230325109759 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=164789&T=2

[TABLE]
[ROW][C]Regression: S.E.(k) = alpha + beta * Mean(k)[/C][/ROW]
[ROW][C]alpha[/C][C]0.0857513195313902[/C][/ROW]
[ROW][C]beta[/C][C]-0.0332172068577577[/C][/ROW]
[ROW][C]S.D.[/C][C]0.0623669914167932[/C][/ROW]
[ROW][C]T-STAT[/C][C]-0.532608774339778[/C][/ROW]
[ROW][C]p-value[/C][C]0.631230325109759[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=164789&T=2

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=164789&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)
alpha0.0857513195313902
beta-0.0332172068577577
S.D.0.0623669914167932
T-STAT-0.532608774339778
p-value0.631230325109759







Regression: ln S.E.(k) = alpha + beta * ln Mean(k)
alpha-1.33190145523593
beta-4.01604769408522
S.D.4.97994048112225
T-STAT-0.806444918229262
p-value0.478989914445635
Lambda5.01604769408522

\begin{tabular}{lllllllll}
\hline
Regression: ln S.E.(k) = alpha + beta * ln Mean(k) \tabularnewline
alpha & -1.33190145523593 \tabularnewline
beta & -4.01604769408522 \tabularnewline
S.D. & 4.97994048112225 \tabularnewline
T-STAT & -0.806444918229262 \tabularnewline
p-value & 0.478989914445635 \tabularnewline
Lambda & 5.01604769408522 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=164789&T=3

[TABLE]
[ROW][C]Regression: ln S.E.(k) = alpha + beta * ln Mean(k)[/C][/ROW]
[ROW][C]alpha[/C][C]-1.33190145523593[/C][/ROW]
[ROW][C]beta[/C][C]-4.01604769408522[/C][/ROW]
[ROW][C]S.D.[/C][C]4.97994048112225[/C][/ROW]
[ROW][C]T-STAT[/C][C]-0.806444918229262[/C][/ROW]
[ROW][C]p-value[/C][C]0.478989914445635[/C][/ROW]
[ROW][C]Lambda[/C][C]5.01604769408522[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=164789&T=3

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=164789&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-1.33190145523593
beta-4.01604769408522
S.D.4.97994048112225
T-STAT-0.806444918229262
p-value0.478989914445635
Lambda5.01604769408522



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')