Free Statistics

of Irreproducible Research!

Author's title

Author*Unverified author*
R Software Modulerwasp_smp.wasp
Title produced by softwareStandard Deviation-Mean Plot
Date of computationWed, 21 Aug 2013 07:48:23 -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/2013/Aug/21/t13770857346snzcv0hei2gajs.htm/, Retrieved Sat, 27 Apr 2024 17:40:51 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=211332, Retrieved Sat, 27 Apr 2024 17:40:51 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywordsJoris Claus
Estimated Impact105
Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-       [Standard Deviation-Mean Plot] [Tijdreeks B - Sta...] [2013-08-21 11:48:23] [5b48cba8ffed7710e2defc0d8d22bd89] [Current]
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Dataseries X:
580
610
550
515
555
580
585
545
580
605
625
600
590
605
475
535
560
610
585
560
590
625
620
615
560
665
495
555
545
605
610
610
550
600
660
590
555
650
530
565
580
630
605
595
565
585
685
585
520
670
525
565
575
610
605
575
565
575
720
580
565
675
525
575
560
585
550
560
605
585
685
585
555
660
530
575
580
615
570
550
635
580
690
575
590
685
540
580
615
605
565
555
625
605
685
540
610
680
560
575
590
625
520
590
625
560
715
575




Summary of computational transaction
Raw Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time2 seconds
R Server'George Udny Yule' @ yule.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 & 2 seconds \tabularnewline
R Server & 'George Udny Yule' @ yule.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=211332&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]2 seconds[/C][/ROW]
[ROW][C]R Server[/C][C]'George Udny Yule' @ yule.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=211332&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=211332&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 time2 seconds
R Server'George Udny Yule' @ yule.wessa.net







Standard Deviation-Mean Plot
SectionMeanStandard DeviationRange
1577.531.442588373675110
2580.83333333333343.1083905212585150
3587.08333333333348.9182218017215170
4594.16666666666743.161079549506155
5590.41666666666756.4663348349879200
6587.91666666666747.6472995196491160
7592.91666666666747.5995766469587160
8599.16666666666748.8891758485609145
9602.08333333333353.9131596911068195

\begin{tabular}{lllllllll}
\hline
Standard Deviation-Mean Plot \tabularnewline
Section & Mean & Standard Deviation & Range \tabularnewline
1 & 577.5 & 31.442588373675 & 110 \tabularnewline
2 & 580.833333333333 & 43.1083905212585 & 150 \tabularnewline
3 & 587.083333333333 & 48.9182218017215 & 170 \tabularnewline
4 & 594.166666666667 & 43.161079549506 & 155 \tabularnewline
5 & 590.416666666667 & 56.4663348349879 & 200 \tabularnewline
6 & 587.916666666667 & 47.6472995196491 & 160 \tabularnewline
7 & 592.916666666667 & 47.5995766469587 & 160 \tabularnewline
8 & 599.166666666667 & 48.8891758485609 & 145 \tabularnewline
9 & 602.083333333333 & 53.9131596911068 & 195 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=211332&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]577.5[/C][C]31.442588373675[/C][C]110[/C][/ROW]
[ROW][C]2[/C][C]580.833333333333[/C][C]43.1083905212585[/C][C]150[/C][/ROW]
[ROW][C]3[/C][C]587.083333333333[/C][C]48.9182218017215[/C][C]170[/C][/ROW]
[ROW][C]4[/C][C]594.166666666667[/C][C]43.161079549506[/C][C]155[/C][/ROW]
[ROW][C]5[/C][C]590.416666666667[/C][C]56.4663348349879[/C][C]200[/C][/ROW]
[ROW][C]6[/C][C]587.916666666667[/C][C]47.6472995196491[/C][C]160[/C][/ROW]
[ROW][C]7[/C][C]592.916666666667[/C][C]47.5995766469587[/C][C]160[/C][/ROW]
[ROW][C]8[/C][C]599.166666666667[/C][C]48.8891758485609[/C][C]145[/C][/ROW]
[ROW][C]9[/C][C]602.083333333333[/C][C]53.9131596911068[/C][C]195[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=211332&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=211332&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
1577.531.442588373675110
2580.83333333333343.1083905212585150
3587.08333333333348.9182218017215170
4594.16666666666743.161079549506155
5590.41666666666756.4663348349879200
6587.91666666666747.6472995196491160
7592.91666666666747.5995766469587160
8599.16666666666748.8891758485609145
9602.08333333333353.9131596911068195







Regression: S.E.(k) = alpha + beta * Mean(k)
alpha-317.722162120284
beta0.617581668059296
S.D.0.250207491918768
T-STAT2.46827808121668
p-value0.0429411900044206

\begin{tabular}{lllllllll}
\hline
Regression: S.E.(k) = alpha + beta * Mean(k) \tabularnewline
alpha & -317.722162120284 \tabularnewline
beta & 0.617581668059296 \tabularnewline
S.D. & 0.250207491918768 \tabularnewline
T-STAT & 2.46827808121668 \tabularnewline
p-value & 0.0429411900044206 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=211332&T=2

[TABLE]
[ROW][C]Regression: S.E.(k) = alpha + beta * Mean(k)[/C][/ROW]
[ROW][C]alpha[/C][C]-317.722162120284[/C][/ROW]
[ROW][C]beta[/C][C]0.617581668059296[/C][/ROW]
[ROW][C]S.D.[/C][C]0.250207491918768[/C][/ROW]
[ROW][C]T-STAT[/C][C]2.46827808121668[/C][/ROW]
[ROW][C]p-value[/C][C]0.0429411900044206[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=211332&T=2

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=211332&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-317.722162120284
beta0.617581668059296
S.D.0.250207491918768
T-STAT2.46827808121668
p-value0.0429411900044206







Regression: ln S.E.(k) = alpha + beta * ln Mean(k)
alpha-51.7395704127026
beta8.70996762455394
S.D.3.40782890293445
T-STAT2.55586999014354
p-value0.0377785747196776
Lambda-7.70996762455394

\begin{tabular}{lllllllll}
\hline
Regression: ln S.E.(k) = alpha + beta * ln Mean(k) \tabularnewline
alpha & -51.7395704127026 \tabularnewline
beta & 8.70996762455394 \tabularnewline
S.D. & 3.40782890293445 \tabularnewline
T-STAT & 2.55586999014354 \tabularnewline
p-value & 0.0377785747196776 \tabularnewline
Lambda & -7.70996762455394 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=211332&T=3

[TABLE]
[ROW][C]Regression: ln S.E.(k) = alpha + beta * ln Mean(k)[/C][/ROW]
[ROW][C]alpha[/C][C]-51.7395704127026[/C][/ROW]
[ROW][C]beta[/C][C]8.70996762455394[/C][/ROW]
[ROW][C]S.D.[/C][C]3.40782890293445[/C][/ROW]
[ROW][C]T-STAT[/C][C]2.55586999014354[/C][/ROW]
[ROW][C]p-value[/C][C]0.0377785747196776[/C][/ROW]
[ROW][C]Lambda[/C][C]-7.70996762455394[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=211332&T=3

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=211332&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-51.7395704127026
beta8.70996762455394
S.D.3.40782890293445
T-STAT2.55586999014354
p-value0.0377785747196776
Lambda-7.70996762455394



Parameters (Session):
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')