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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, 02 May 2012 16:18:28 -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/May/02/t1335990178u6gzzisayv458m5.htm/, Retrieved Tue, 07 May 2024 12:12:00 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=166007, Retrieved Tue, 07 May 2024 12:12:00 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywordsKDGP2W83
Estimated Impact80
Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-       [Standard Deviation-Mean Plot] [week8] [2012-05-02 20:18:28] [09b6c15525a7e41be57b956512900af9] [Current]
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Dataseries X:
2.71
2.69
2.67
2.66
2.67
2.67
2.66
2.72
2.63
2.63
2.65
2.66
2.65
2.62
2.61
2.61
2.62
2.61
2.62
2.65
2.64
2.66
2.67
2.68
2.68
2.71
2.72
2.72
2.71
2.7
2.7
2.7
2.68
2.67
2.66
2.64
2.64
2.63
2.61
2.62
2.61
2.6
2.58
2.55
2.53
2.5
2.48
2.47
2.47
2.46
2.46
2.45
2.44
2.42
2.39
2.37
2.34
2.32
2.3
2.29
2.3
2.29
2.29
2.29
2.29
2.28
2.28
2.28
2.29




Summary of computational transaction
Raw Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time1 seconds
R Server'Herman Ole Andreas Wold' @ wold.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 & 'Herman Ole Andreas Wold' @ wold.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=166007&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]'Herman Ole Andreas Wold' @ wold.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=166007&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=166007&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'Herman Ole Andreas Wold' @ wold.wessa.net







Standard Deviation-Mean Plot
SectionMeanStandard DeviationRange
12.668333333333330.0275790873780490.0900000000000003
22.636666666666670.02498484389069550.0700000000000003
32.690833333333330.02503028468705760.0800000000000001
42.568333333333330.06042776805008730.17
52.39250.06675940519371180.18

\begin{tabular}{lllllllll}
\hline
Standard Deviation-Mean Plot \tabularnewline
Section & Mean & Standard Deviation & Range \tabularnewline
1 & 2.66833333333333 & 0.027579087378049 & 0.0900000000000003 \tabularnewline
2 & 2.63666666666667 & 0.0249848438906955 & 0.0700000000000003 \tabularnewline
3 & 2.69083333333333 & 0.0250302846870576 & 0.0800000000000001 \tabularnewline
4 & 2.56833333333333 & 0.0604277680500873 & 0.17 \tabularnewline
5 & 2.3925 & 0.0667594051937118 & 0.18 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=166007&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]2.66833333333333[/C][C]0.027579087378049[/C][C]0.0900000000000003[/C][/ROW]
[ROW][C]2[/C][C]2.63666666666667[/C][C]0.0249848438906955[/C][C]0.0700000000000003[/C][/ROW]
[ROW][C]3[/C][C]2.69083333333333[/C][C]0.0250302846870576[/C][C]0.0800000000000001[/C][/ROW]
[ROW][C]4[/C][C]2.56833333333333[/C][C]0.0604277680500873[/C][C]0.17[/C][/ROW]
[ROW][C]5[/C][C]2.3925[/C][C]0.0667594051937118[/C][C]0.18[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=166007&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=166007&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
12.668333333333330.0275790873780490.0900000000000003
22.636666666666670.02498484389069550.0700000000000003
32.690833333333330.02503028468705760.0800000000000001
42.568333333333330.06042776805008730.17
52.39250.06675940519371180.18







Regression: S.E.(k) = alpha + beta * Mean(k)
alpha0.439712333983421
beta-0.153880649399344
S.D.0.0455344923650564
T-STAT-3.37943043628688
p-value0.0431094773575477

\begin{tabular}{lllllllll}
\hline
Regression: S.E.(k) = alpha + beta * Mean(k) \tabularnewline
alpha & 0.439712333983421 \tabularnewline
beta & -0.153880649399344 \tabularnewline
S.D. & 0.0455344923650564 \tabularnewline
T-STAT & -3.37943043628688 \tabularnewline
p-value & 0.0431094773575477 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=166007&T=2

[TABLE]
[ROW][C]Regression: S.E.(k) = alpha + beta * Mean(k)[/C][/ROW]
[ROW][C]alpha[/C][C]0.439712333983421[/C][/ROW]
[ROW][C]beta[/C][C]-0.153880649399344[/C][/ROW]
[ROW][C]S.D.[/C][C]0.0455344923650564[/C][/ROW]
[ROW][C]T-STAT[/C][C]-3.37943043628688[/C][/ROW]
[ROW][C]p-value[/C][C]0.0431094773575477[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=166007&T=2

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=166007&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)
alpha0.439712333983421
beta-0.153880649399344
S.D.0.0455344923650564
T-STAT-3.37943043628688
p-value0.0431094773575477







Regression: ln S.E.(k) = alpha + beta * ln Mean(k)
alpha5.30600033397709
beta-9.04269430345215
S.D.3.0021891459628
T-STAT-3.01203350748647
p-value0.0571193282224992
Lambda10.0426943034521

\begin{tabular}{lllllllll}
\hline
Regression: ln S.E.(k) = alpha + beta * ln Mean(k) \tabularnewline
alpha & 5.30600033397709 \tabularnewline
beta & -9.04269430345215 \tabularnewline
S.D. & 3.0021891459628 \tabularnewline
T-STAT & -3.01203350748647 \tabularnewline
p-value & 0.0571193282224992 \tabularnewline
Lambda & 10.0426943034521 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=166007&T=3

[TABLE]
[ROW][C]Regression: ln S.E.(k) = alpha + beta * ln Mean(k)[/C][/ROW]
[ROW][C]alpha[/C][C]5.30600033397709[/C][/ROW]
[ROW][C]beta[/C][C]-9.04269430345215[/C][/ROW]
[ROW][C]S.D.[/C][C]3.0021891459628[/C][/ROW]
[ROW][C]T-STAT[/C][C]-3.01203350748647[/C][/ROW]
[ROW][C]p-value[/C][C]0.0571193282224992[/C][/ROW]
[ROW][C]Lambda[/C][C]10.0426943034521[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=166007&T=3

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=166007&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)
alpha5.30600033397709
beta-9.04269430345215
S.D.3.0021891459628
T-STAT-3.01203350748647
p-value0.0571193282224992
Lambda10.0426943034521



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')