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Description of Statistical Computation

Author's title

Author*The author of this computation has been verified*
R Software Modulerwasp_smp.wasp
Title produced by softwareStandard Deviation-Mean Plot
Date of computationSun, 07 Dec 2008 15:05:25 -0700
Cite this page as followsStatistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?v=date/2008/Dec/07/t1228687637jjwp684d5v06crg.htm/, Retrieved Sun, 19 May 2024 11:10:01 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=30321, Retrieved Sun, 19 May 2024 11:10:01 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact201

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
F     [Univariate Data Series] [Airline data] [2007-10-18 09:58:47] [42daae401fd3def69a25014f2252b4c2]
F RMPD  [Cross Correlation Function] [Q7 : alle waarden...] [2008-12-01 22:00:51] [82d201ca7b4e7cd2c6f885d29b5b6937]
- RMPD    [Standard Deviation-Mean Plot] [Standard Deviatio...] [2008-12-07 21:51:17] [82d201ca7b4e7cd2c6f885d29b5b6937]
-    D        [Standard Deviation-Mean Plot] [Standard deviatio...] [2008-12-07 22:05:25] [00a0a665d7a07edd2e460056b0c0c354] [Current]
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Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
117,1
107,0
107,0
111,0
108,2
96,3
100,9
107,7
106,2
118,7
116,1
118,1
118,4
110,8
106,4
112,2
108,3
96,0
100,6
107,8
108,4
120,9
117,3
119,7
119,6
111,8
108,1
111,8
105,5
93,6
103,9
100,3
106,6
118,4
106,6
109,8
115,9
111,7
119,8
116,1
103,2
99,0
112,3
104,2
114,0
121,7
107,2
112,8
117,8
113,3
116,1
111,8
110,2
110,0
102,9
110,1
102,7
118,7
109,0
115,7
118,1

Tables (Output of Computation)





Summary of computational transaction
Raw Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time3 seconds
R Server'Herman Ole Andreas Wold' @ 193.190.124.10:1001

\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 & 3 seconds \tabularnewline
R Server & 'Herman Ole Andreas Wold' @ 193.190.124.10:1001 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=30321&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]3 seconds[/C][/ROW]
[ROW][C]R Server[/C][C]'Herman Ole Andreas Wold' @ 193.190.124.10:1001[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=30321&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=30321&T=0

As an alternative you can also use a QR Code:  
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 time3 seconds
R Server'Herman Ole Andreas Wold' @ 193.190.124.10:1001






Standard Deviation-Mean Plot
SectionMeanStandard DeviationRange
1109.5256.9979380079875222.4
2110.5666666666677.663293065390424.9
31087.1888803022445726
4111.4916666666676.8688305651932722.7
5111.5255.1979235364623316

\begin{tabular}{lllllllll}
\hline
Standard Deviation-Mean Plot \tabularnewline
Section & Mean & Standard Deviation & Range \tabularnewline
1 & 109.525 & 6.99793800798752 & 22.4 \tabularnewline
2 & 110.566666666667 & 7.6632930653904 & 24.9 \tabularnewline
3 & 108 & 7.18888030224457 & 26 \tabularnewline
4 & 111.491666666667 & 6.86883056519327 & 22.7 \tabularnewline
5 & 111.525 & 5.19792353646233 & 16 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=30321&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]109.525[/C][C]6.99793800798752[/C][C]22.4[/C][/ROW]
[ROW][C]2[/C][C]110.566666666667[/C][C]7.6632930653904[/C][C]24.9[/C][/ROW]
[ROW][C]3[/C][C]108[/C][C]7.18888030224457[/C][C]26[/C][/ROW]
[ROW][C]4[/C][C]111.491666666667[/C][C]6.86883056519327[/C][C]22.7[/C][/ROW]
[ROW][C]5[/C][C]111.525[/C][C]5.19792353646233[/C][C]16[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=30321&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=30321&T=1

As an alternative you can also use a QR Code:  
QR Code


The GUIDs for individual cells are displayed in the table below:

Standard Deviation-Mean Plot
SectionMeanStandard DeviationRange
1109.5256.9979380079875222.4
2110.5666666666677.663293065390424.9
31087.1888803022445726
4111.4916666666676.8688305651932722.7
5111.5255.1979235364623316






Regression: S.E.(k) = alpha + beta * Mean(k)
alpha40.4615502586717
beta-0.305549518363444
S.D.0.317639188052674
T-STAT-0.961938985666891
p-value0.407041669782461

\begin{tabular}{lllllllll}
\hline
Regression: S.E.(k) = alpha + beta * Mean(k) \tabularnewline
alpha & 40.4615502586717 \tabularnewline
beta & -0.305549518363444 \tabularnewline
S.D. & 0.317639188052674 \tabularnewline
T-STAT & -0.961938985666891 \tabularnewline
p-value & 0.407041669782461 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=30321&T=2

[TABLE]
[ROW][C]Regression: S.E.(k) = alpha + beta * Mean(k)[/C][/ROW]
[ROW][C]alpha[/C][C]40.4615502586717[/C][/ROW]
[ROW][C]beta[/C][C]-0.305549518363444[/C][/ROW]
[ROW][C]S.D.[/C][C]0.317639188052674[/C][/ROW]
[ROW][C]T-STAT[/C][C]-0.961938985666891[/C][/ROW]
[ROW][C]p-value[/C][C]0.407041669782461[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=30321&T=2

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=30321&T=2

As an alternative you can also use a QR Code:  
QR Code


The GUIDs for individual cells are displayed in the table below:

Regression: S.E.(k) = alpha + beta * Mean(k)
alpha40.4615502586717
beta-0.305549518363444
S.D.0.317639188052674
T-STAT-0.961938985666891
p-value0.407041669782461






Regression: ln S.E.(k) = alpha + beta * ln Mean(k)
alpha27.4531845046261
beta-5.43278011493963
S.D.5.56598213982696
T-STAT-0.97606854971125
p-value0.401016665365312
Lambda6.43278011493963

\begin{tabular}{lllllllll}
\hline
Regression: ln S.E.(k) = alpha + beta * ln Mean(k) \tabularnewline
alpha & 27.4531845046261 \tabularnewline
beta & -5.43278011493963 \tabularnewline
S.D. & 5.56598213982696 \tabularnewline
T-STAT & -0.97606854971125 \tabularnewline
p-value & 0.401016665365312 \tabularnewline
Lambda & 6.43278011493963 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=30321&T=3

[TABLE]
[ROW][C]Regression: ln S.E.(k) = alpha + beta * ln Mean(k)[/C][/ROW]
[ROW][C]alpha[/C][C]27.4531845046261[/C][/ROW]
[ROW][C]beta[/C][C]-5.43278011493963[/C][/ROW]
[ROW][C]S.D.[/C][C]5.56598213982696[/C][/ROW]
[ROW][C]T-STAT[/C][C]-0.97606854971125[/C][/ROW]
[ROW][C]p-value[/C][C]0.401016665365312[/C][/ROW]
[ROW][C]Lambda[/C][C]6.43278011493963[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=30321&T=3

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=30321&T=3

As an alternative you can also use a QR Code:  
QR Code


The GUIDs for individual cells are displayed in the table below:

Regression: ln S.E.(k) = alpha + beta * ln Mean(k)
alpha27.4531845046261
beta-5.43278011493963
S.D.5.56598213982696
T-STAT-0.97606854971125
p-value0.401016665365312
Lambda6.43278011493963


Figures (Output of Computation)

Input Parameters & R Code

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')