Free Statistics

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Author's title

Author*Unverified author*
R Software Modulerwasp_smp.wasp
Title produced by softwareStandard Deviation-Mean Plot
Date of computationFri, 02 Dec 2011 13:28:03 -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/2011/Dec/02/t1322850546weyf3pponvivpcc.htm/, Retrieved Sun, 28 Apr 2024 23:16:03 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=150333, Retrieved Sun, 28 Apr 2024 23:16:03 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywordsKEYWORD: KDGP2W83
Estimated Impact68
Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-       [Standard Deviation-Mean Plot] [opgave 8 eigen re...] [2011-12-02 18:28:03] [25fc5ac2507862d3d3648773d283d006] [Current]
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Dataseries X:
7.08
7.08
7.09
7.07
7.06
6.99
6.99
6.99
6.98
6.96
6.95
6.91
6.91
6.87
6.91
6.89
6.88
6.9
6.91
6.85
6.86
6.82
6.8
6.83
6.84
6.89
7.14
7.21
7.25
7.31
7.3
7.48
7.49
7.4
7.44
7.42
7.14
7.24
7.33
7.61
7.66
7.69
7.7
7.68
7.71
7.71
7.72
7.68
7.72
7.74
7.76
7.9
7.97
7.96
7.95
7.97
7.93
7.99
7.96
7.92
7.97
7.98
8
8.04
8.17
8.29
8.26
8.3
8.32
8.28
8.27
8.32
8.31
8.34
8.32
8.36
8.33
8.35
8.34
8.37
8.31
8.33
8.34
8.25
8.27
8.31
8.25
8.3
8.3
8.35
8.78
8.9
8.9
8.9
9
9.05




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=150333&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=150333&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=150333&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
17.01250.06062177826491060.18
26.869166666666670.03776923551668940.11
37.264166666666670.2159738339931420.65
47.57250.208506594619930.58
57.89750.098361577864530.27
68.183333333333330.1434213964849630.350000000000001
78.329166666666670.03088345639315430.119999999999999
88.609166666666670.333288254527610.800000000000001

\begin{tabular}{lllllllll}
\hline
Standard Deviation-Mean Plot \tabularnewline
Section & Mean & Standard Deviation & Range \tabularnewline
1 & 7.0125 & 0.0606217782649106 & 0.18 \tabularnewline
2 & 6.86916666666667 & 0.0377692355166894 & 0.11 \tabularnewline
3 & 7.26416666666667 & 0.215973833993142 & 0.65 \tabularnewline
4 & 7.5725 & 0.20850659461993 & 0.58 \tabularnewline
5 & 7.8975 & 0.09836157786453 & 0.27 \tabularnewline
6 & 8.18333333333333 & 0.143421396484963 & 0.350000000000001 \tabularnewline
7 & 8.32916666666667 & 0.0308834563931543 & 0.119999999999999 \tabularnewline
8 & 8.60916666666667 & 0.33328825452761 & 0.800000000000001 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=150333&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]7.0125[/C][C]0.0606217782649106[/C][C]0.18[/C][/ROW]
[ROW][C]2[/C][C]6.86916666666667[/C][C]0.0377692355166894[/C][C]0.11[/C][/ROW]
[ROW][C]3[/C][C]7.26416666666667[/C][C]0.215973833993142[/C][C]0.65[/C][/ROW]
[ROW][C]4[/C][C]7.5725[/C][C]0.20850659461993[/C][C]0.58[/C][/ROW]
[ROW][C]5[/C][C]7.8975[/C][C]0.09836157786453[/C][C]0.27[/C][/ROW]
[ROW][C]6[/C][C]8.18333333333333[/C][C]0.143421396484963[/C][C]0.350000000000001[/C][/ROW]
[ROW][C]7[/C][C]8.32916666666667[/C][C]0.0308834563931543[/C][C]0.119999999999999[/C][/ROW]
[ROW][C]8[/C][C]8.60916666666667[/C][C]0.33328825452761[/C][C]0.800000000000001[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=150333&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=150333&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
17.01250.06062177826491060.18
26.869166666666670.03776923551668940.11
37.264166666666670.2159738339931420.65
47.57250.208506594619930.58
57.89750.098361577864530.27
68.183333333333330.1434213964849630.350000000000001
78.329166666666670.03088345639315430.119999999999999
88.609166666666670.333288254527610.800000000000001







Regression: S.E.(k) = alpha + beta * Mean(k)
alpha-0.392874374600451
beta0.0691932962052001
S.D.0.0612974829221624
T-STAT1.12881137865096
p-value0.302079383116153

\begin{tabular}{lllllllll}
\hline
Regression: S.E.(k) = alpha + beta * Mean(k) \tabularnewline
alpha & -0.392874374600451 \tabularnewline
beta & 0.0691932962052001 \tabularnewline
S.D. & 0.0612974829221624 \tabularnewline
T-STAT & 1.12881137865096 \tabularnewline
p-value & 0.302079383116153 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=150333&T=2

[TABLE]
[ROW][C]Regression: S.E.(k) = alpha + beta * Mean(k)[/C][/ROW]
[ROW][C]alpha[/C][C]-0.392874374600451[/C][/ROW]
[ROW][C]beta[/C][C]0.0691932962052001[/C][/ROW]
[ROW][C]S.D.[/C][C]0.0612974829221624[/C][/ROW]
[ROW][C]T-STAT[/C][C]1.12881137865096[/C][/ROW]
[ROW][C]p-value[/C][C]0.302079383116153[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=150333&T=2

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=150333&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-0.392874374600451
beta0.0691932962052001
S.D.0.0612974829221624
T-STAT1.12881137865096
p-value0.302079383116153







Regression: ln S.E.(k) = alpha + beta * ln Mean(k)
alpha-9.19509335300831
beta3.40269030766225
S.D.4.02639126538066
T-STAT0.84509678354385
p-value0.430460744730431
Lambda-2.40269030766225

\begin{tabular}{lllllllll}
\hline
Regression: ln S.E.(k) = alpha + beta * ln Mean(k) \tabularnewline
alpha & -9.19509335300831 \tabularnewline
beta & 3.40269030766225 \tabularnewline
S.D. & 4.02639126538066 \tabularnewline
T-STAT & 0.84509678354385 \tabularnewline
p-value & 0.430460744730431 \tabularnewline
Lambda & -2.40269030766225 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=150333&T=3

[TABLE]
[ROW][C]Regression: ln S.E.(k) = alpha + beta * ln Mean(k)[/C][/ROW]
[ROW][C]alpha[/C][C]-9.19509335300831[/C][/ROW]
[ROW][C]beta[/C][C]3.40269030766225[/C][/ROW]
[ROW][C]S.D.[/C][C]4.02639126538066[/C][/ROW]
[ROW][C]T-STAT[/C][C]0.84509678354385[/C][/ROW]
[ROW][C]p-value[/C][C]0.430460744730431[/C][/ROW]
[ROW][C]Lambda[/C][C]-2.40269030766225[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=150333&T=3

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=150333&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-9.19509335300831
beta3.40269030766225
S.D.4.02639126538066
T-STAT0.84509678354385
p-value0.430460744730431
Lambda-2.40269030766225



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')