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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, 11 Mar 2015 10:17:59 +0000
Cite this page as followsStatistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?v=date/2015/Mar/11/t1426069238vmk2q1iq179zw4w.htm/, Retrieved Fri, 17 May 2024 08:10:32 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=278173, Retrieved Fri, 17 May 2024 08:10:32 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact123
Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-       [Standard Deviation-Mean Plot] [] [2015-03-11 10:17:59] [7657461249ddfb44f7ff766614f926c4] [Current]
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Dataseries X:
8.09
8.18
8.26
8.28
8.28
8.28
8.29
8.3
8.3
8.31
8.33
8.33
8.34
8.48
8.59
8.67
8.67
8.67
8.71
8.72
8.72
8.72
8.74
8.74
8.74
8.74
8.79
8.85
8.86
8.87
8.92
8.96
8.97
8.99
8.98
8.98
9.01
9.01
9.03
9.05
9.05
9.05
9.13
9.13
9.13
9.14
9.16
9.16
9.16
9.16
9.22
9.22
9.25
9.25
9.26
9.26
9.29
9.28
9.37
9.41
9.41
9.45
9.49
9.49
9.56
9.54
9.55
9.55
9.57
9.57
9.58
9.59
9.59
9.59
9.61
9.61
9.62
9.62
9.63
9.65
9.65
9.68
9.73
9.73
9.73
9.74
9.68
9.68
9.74
9.74
9.76
9.78
9.79
9.81
9.84
9.84




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=278173&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=278173&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=278173&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
18.269166666666670.06868350779062070.24
28.64750.1221865191195230.4
38.88750.09352928564213090.25
49.08750.05894913061275820.15
59.260833333333330.07341765125057790.25
69.529166666666670.05648142628467810.18
79.64250.04826536495817140.140000000000001
89.760833333333330.0535058761995240.16

\begin{tabular}{lllllllll}
\hline
Standard Deviation-Mean Plot \tabularnewline
Section & Mean & Standard Deviation & Range \tabularnewline
1 & 8.26916666666667 & 0.0686835077906207 & 0.24 \tabularnewline
2 & 8.6475 & 0.122186519119523 & 0.4 \tabularnewline
3 & 8.8875 & 0.0935292856421309 & 0.25 \tabularnewline
4 & 9.0875 & 0.0589491306127582 & 0.15 \tabularnewline
5 & 9.26083333333333 & 0.0734176512505779 & 0.25 \tabularnewline
6 & 9.52916666666667 & 0.0564814262846781 & 0.18 \tabularnewline
7 & 9.6425 & 0.0482653649581714 & 0.140000000000001 \tabularnewline
8 & 9.76083333333333 & 0.053505876199524 & 0.16 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=278173&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]8.26916666666667[/C][C]0.0686835077906207[/C][C]0.24[/C][/ROW]
[ROW][C]2[/C][C]8.6475[/C][C]0.122186519119523[/C][C]0.4[/C][/ROW]
[ROW][C]3[/C][C]8.8875[/C][C]0.0935292856421309[/C][C]0.25[/C][/ROW]
[ROW][C]4[/C][C]9.0875[/C][C]0.0589491306127582[/C][C]0.15[/C][/ROW]
[ROW][C]5[/C][C]9.26083333333333[/C][C]0.0734176512505779[/C][C]0.25[/C][/ROW]
[ROW][C]6[/C][C]9.52916666666667[/C][C]0.0564814262846781[/C][C]0.18[/C][/ROW]
[ROW][C]7[/C][C]9.6425[/C][C]0.0482653649581714[/C][C]0.140000000000001[/C][/ROW]
[ROW][C]8[/C][C]9.76083333333333[/C][C]0.053505876199524[/C][C]0.16[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=278173&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=278173&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
18.269166666666670.06868350779062070.24
28.64750.1221865191195230.4
38.88750.09352928564213090.25
49.08750.05894913061275820.15
59.260833333333330.07341765125057790.25
69.529166666666670.05648142628467810.18
79.64250.04826536495817140.140000000000001
89.760833333333330.0535058761995240.16







Regression: S.E.(k) = alpha + beta * Mean(k)
alpha0.344592347744151
beta-0.0298518166531466
S.D.0.0153459475172984
T-STAT-1.94525731431681
p-value0.0997124490568947

\begin{tabular}{lllllllll}
\hline
Regression: S.E.(k) = alpha + beta * Mean(k) \tabularnewline
alpha & 0.344592347744151 \tabularnewline
beta & -0.0298518166531466 \tabularnewline
S.D. & 0.0153459475172984 \tabularnewline
T-STAT & -1.94525731431681 \tabularnewline
p-value & 0.0997124490568947 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=278173&T=2

[TABLE]
[ROW][C]Regression: S.E.(k) = alpha + beta * Mean(k)[/C][/ROW]
[ROW][C]alpha[/C][C]0.344592347744151[/C][/ROW]
[ROW][C]beta[/C][C]-0.0298518166531466[/C][/ROW]
[ROW][C]S.D.[/C][C]0.0153459475172984[/C][/ROW]
[ROW][C]T-STAT[/C][C]-1.94525731431681[/C][/ROW]
[ROW][C]p-value[/C][C]0.0997124490568947[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=278173&T=2

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=278173&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)
alpha0.344592347744151
beta-0.0298518166531466
S.D.0.0153459475172984
T-STAT-1.94525731431681
p-value0.0997124490568947







Regression: ln S.E.(k) = alpha + beta * ln Mean(k)
alpha5.23551202148176
beta-3.57963007270687
S.D.1.67248125874009
T-STAT-2.1403110223211
p-value0.0761176757654571
Lambda4.57963007270687

\begin{tabular}{lllllllll}
\hline
Regression: ln S.E.(k) = alpha + beta * ln Mean(k) \tabularnewline
alpha & 5.23551202148176 \tabularnewline
beta & -3.57963007270687 \tabularnewline
S.D. & 1.67248125874009 \tabularnewline
T-STAT & -2.1403110223211 \tabularnewline
p-value & 0.0761176757654571 \tabularnewline
Lambda & 4.57963007270687 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=278173&T=3

[TABLE]
[ROW][C]Regression: ln S.E.(k) = alpha + beta * ln Mean(k)[/C][/ROW]
[ROW][C]alpha[/C][C]5.23551202148176[/C][/ROW]
[ROW][C]beta[/C][C]-3.57963007270687[/C][/ROW]
[ROW][C]S.D.[/C][C]1.67248125874009[/C][/ROW]
[ROW][C]T-STAT[/C][C]-2.1403110223211[/C][/ROW]
[ROW][C]p-value[/C][C]0.0761176757654571[/C][/ROW]
[ROW][C]Lambda[/C][C]4.57963007270687[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=278173&T=3

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=278173&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)
alpha5.23551202148176
beta-3.57963007270687
S.D.1.67248125874009
T-STAT-2.1403110223211
p-value0.0761176757654571
Lambda4.57963007270687



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')