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Author's title

Author

*Unverified author*

R Software Module

rwasp_smp.wasp

Title produced by software

Standard Deviation-Mean Plot

Date of computation

Tue, 26 May 2009 06:04:30 -0600

Cite this page as follows

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?v=date/2009/May/26/t1243339522cv47ro65i02x6jz.htm/, Retrieved Sat, 04 May 2024 07:24:22 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=40362, Retrieved Sat, 04 May 2024 07:24:22 +0000

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Original text written by user:

IsPrivate?

No (this computation is public)

User-defined keywords

Estimated Impact

135

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)

-       [Standard Deviation-Mean Plot] [Vincent Van Roy, ...] [2009-05-26 12:04:30] [d41d8cd98f00b204e9800998ecf8427e] [Current]

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Dataseries X:

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Histogram

Boxplots

4.73
4.73
4.73
4.73
4.74
4.74
4.74
4.74
4.74
4.76
4.76
4.76
4.76
4.76
4.76
4.77
4.77
4.78
4.78
4.79
4.83
4.84
4.85
4.85
4.86
4.87
4.87
4.9
4.9
4.92
4.92
4.95
4.96
4.95
4.95
4.95
4.96
4.96
4.96
4.96
4.97
4.97
4.97
5.03
5.08
5.1
5.11
5.13
5.13
5.13
5.15
5.15
5.15
5.17
5.17
5.18
5.2
5.22
5.23
5.23
5.26
5.27
5.28
5.31
5.31
5.32
5.33
5.34
5.38
5.39
5.41
5.44
5.44
5.44
5.46
5.47
5.47
5.49
5.49
5.5
5.52
5.59
5.6
5.6

Summary of computational transaction
Raw Input	view raw input (R code)
Raw Output	view raw output of R engine
Computing time	1 seconds
R Server	'Gwilym Jenkins' @ 72.249.127.135

\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' @ 72.249.127.135 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=40362&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' @ 72.249.127.135[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=40362&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=40362&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 Input	view raw input (R code)
Raw Output	view raw output of R engine
Computing time	1 seconds
R Server	'Gwilym Jenkins' @ 72.249.127.135

Standard Deviation-Mean Plot
Section	Mean	Standard Deviation	Range
1	4.74166666666667	0.0119341628287968	0.0299999999999994
2	4.795	0.0365563077506965	0.0899999999999999
3	4.91666666666667	0.0362650177878284	0.0999999999999996
4	5.01666666666667	0.0687992248018344	0.17
5	5.17583333333333	0.0365459445165406	0.100000000000001
6	5.33666666666667	0.0572607009980483	0.180000000000001
7	5.50583333333333	0.0594609624931016	0.159999999999999

\begin{tabular}{lllllllll}
\hline
Standard Deviation-Mean Plot \tabularnewline
Section & Mean & Standard Deviation & Range \tabularnewline
1 & 4.74166666666667 & 0.0119341628287968 & 0.0299999999999994 \tabularnewline
2 & 4.795 & 0.0365563077506965 & 0.0899999999999999 \tabularnewline
3 & 4.91666666666667 & 0.0362650177878284 & 0.0999999999999996 \tabularnewline
4 & 5.01666666666667 & 0.0687992248018344 & 0.17 \tabularnewline
5 & 5.17583333333333 & 0.0365459445165406 & 0.100000000000001 \tabularnewline
6 & 5.33666666666667 & 0.0572607009980483 & 0.180000000000001 \tabularnewline
7 & 5.50583333333333 & 0.0594609624931016 & 0.159999999999999 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=40362&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]4.74166666666667[/C][C]0.0119341628287968[/C][C]0.0299999999999994[/C][/ROW]
[ROW][C]2[/C][C]4.795[/C][C]0.0365563077506965[/C][C]0.0899999999999999[/C][/ROW]
[ROW][C]3[/C][C]4.91666666666667[/C][C]0.0362650177878284[/C][C]0.0999999999999996[/C][/ROW]
[ROW][C]4[/C][C]5.01666666666667[/C][C]0.0687992248018344[/C][C]0.17[/C][/ROW]
[ROW][C]5[/C][C]5.17583333333333[/C][C]0.0365459445165406[/C][C]0.100000000000001[/C][/ROW]
[ROW][C]6[/C][C]5.33666666666667[/C][C]0.0572607009980483[/C][C]0.180000000000001[/C][/ROW]
[ROW][C]7[/C][C]5.50583333333333[/C][C]0.0594609624931016[/C][C]0.159999999999999[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=40362&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=40362&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
Section	Mean	Standard Deviation	Range
1	4.74166666666667	0.0119341628287968	0.0299999999999994
2	4.795	0.0365563077506965	0.0899999999999999
3	4.91666666666667	0.0362650177878284	0.0999999999999996
4	5.01666666666667	0.0687992248018344	0.17
5	5.17583333333333	0.0365459445165406	0.100000000000001
6	5.33666666666667	0.0572607009980483	0.180000000000001
7	5.50583333333333	0.0594609624931016	0.159999999999999

Regression: S.E.(k) = alpha + beta * Mean(k)
alpha	-0.186748365068473
beta	0.0454814505233501
S.D.	0.0226047878869357
T-STAT	2.01202730814545
p-value	0.100386246556808

\begin{tabular}{lllllllll}
\hline
Regression: S.E.(k) = alpha + beta * Mean(k) \tabularnewline
alpha & -0.186748365068473 \tabularnewline
beta & 0.0454814505233501 \tabularnewline
S.D. & 0.0226047878869357 \tabularnewline
T-STAT & 2.01202730814545 \tabularnewline
p-value & 0.100386246556808 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=40362&T=2

[TABLE]
[ROW][C]Regression: S.E.(k) = alpha + beta * Mean(k)[/C][/ROW]
[ROW][C]alpha[/C][C]-0.186748365068473[/C][/ROW]
[ROW][C]beta[/C][C]0.0454814505233501[/C][/ROW]
[ROW][C]S.D.[/C][C]0.0226047878869357[/C][/ROW]
[ROW][C]T-STAT[/C][C]2.01202730814545[/C][/ROW]
[ROW][C]p-value[/C][C]0.100386246556808[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=40362&T=2

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=40362&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	-0.186748365068473
beta	0.0454814505233501
S.D.	0.0226047878869357
T-STAT	2.01202730814545
p-value	0.100386246556808

Regression: ln S.E.(k) = alpha + beta * ln Mean(k)
alpha	-14.8455164329977
beta	7.15147017963816
S.D.	3.47732058784189
T-STAT	2.05660364035533
p-value	0.0948422366336746
Lambda	-6.15147017963816

\begin{tabular}{lllllllll}
\hline
Regression: ln S.E.(k) = alpha + beta * ln Mean(k) \tabularnewline
alpha & -14.8455164329977 \tabularnewline
beta & 7.15147017963816 \tabularnewline
S.D. & 3.47732058784189 \tabularnewline
T-STAT & 2.05660364035533 \tabularnewline
p-value & 0.0948422366336746 \tabularnewline
Lambda & -6.15147017963816 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=40362&T=3

[TABLE]
[ROW][C]Regression: ln S.E.(k) = alpha + beta * ln Mean(k)[/C][/ROW]
[ROW][C]alpha[/C][C]-14.8455164329977[/C][/ROW]
[ROW][C]beta[/C][C]7.15147017963816[/C][/ROW]
[ROW][C]S.D.[/C][C]3.47732058784189[/C][/ROW]
[ROW][C]T-STAT[/C][C]2.05660364035533[/C][/ROW]
[ROW][C]p-value[/C][C]0.0948422366336746[/C][/ROW]
[ROW][C]Lambda[/C][C]-6.15147017963816[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=40362&T=3

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=40362&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	-14.8455164329977
beta	7.15147017963816
S.D.	3.47732058784189
T-STAT	2.05660364035533
p-value	0.0948422366336746
Lambda	-6.15147017963816

Figure 1

PNG link

Postscript link

PDF link

Figure 2

PNG link

Postscript link

PDF link

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')

Free Statistics

Description of Statistical Computation

Tree of Dependent Computations

Dataset

Tables (Output of Computation)

Figures (Output of Computation)

Input Parameters & R Code