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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 computationWed, 22 Dec 2010 13:46:55 +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/2010/Dec/22/t12930254783zr8zsfzw63y5am.htm/, Retrieved Mon, 06 May 2024 08:24:12 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=114207, Retrieved Mon, 06 May 2024 08:24:12 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact136
Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-     [Univariate Data Series] [] [2008-12-08 19:22:39] [d2d412c7f4d35ffbf5ee5ee89db327d4]
- RMP   [Standard Deviation-Mean Plot] [] [2010-12-16 01:48:45] [bcc4ad4a6c0f95d5b548de29638ac6c2]
-   PD      [Standard Deviation-Mean Plot] [] [2010-12-22 13:46:55] [29eeba0e6ce2cd83aa315a4a7ff8c4aa] [Current]
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Dataseries X:
377
370
358
357
349
348
369
381
368
361
351
351
358
354
347
345
343
340
362
370
373
371
354
357
363
364
363
358
357
357
380
378
376
380
379
384
392
394
392
396
392
396
419
421
420
418
410
418
426
428
430
424
423
427
441
449
452
462
455
461
461
463
462
456
455
456
472
472
471
465
459
465
468
467
463
460
462
461
476
476
471
453
443
442
444
438
427
424
416
406
431
434
418
412
404
409
412
406
398
397
385
390
413
413
401
397
397
409
419
424
428
430
424
433
456
459
446
441
439
454
460
457
451
444
437
443
471
469
454
444
436




Summary of computational transaction
Raw Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time2 seconds
R Server'RServer@AstonUniversity' @ vre.aston.ac.uk

\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 & 'RServer@AstonUniversity' @ vre.aston.ac.uk \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=114207&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]'RServer@AstonUniversity' @ vre.aston.ac.uk[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=114207&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=114207&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'RServer@AstonUniversity' @ vre.aston.ac.uk







Standard Deviation-Mean Plot
SectionMeanStandard DeviationRange
1361.66666666666711.21146599232133
2356.16666666666711.223622274902933
3369.91666666666710.413787480881827
4405.66666666666712.879393925134429
5439.83333333333315.164751793870439
6463.0833333333336.1564206444585317
7461.83333333333311.207410968018534
8421.91666666666713.124981962469640
9401.59.1899154215120728
10437.7513.605647223253940

\begin{tabular}{lllllllll}
\hline
Standard Deviation-Mean Plot \tabularnewline
Section & Mean & Standard Deviation & Range \tabularnewline
1 & 361.666666666667 & 11.211465992321 & 33 \tabularnewline
2 & 356.166666666667 & 11.2236222749029 & 33 \tabularnewline
3 & 369.916666666667 & 10.4137874808818 & 27 \tabularnewline
4 & 405.666666666667 & 12.8793939251344 & 29 \tabularnewline
5 & 439.833333333333 & 15.1647517938704 & 39 \tabularnewline
6 & 463.083333333333 & 6.15642064445853 & 17 \tabularnewline
7 & 461.833333333333 & 11.2074109680185 & 34 \tabularnewline
8 & 421.916666666667 & 13.1249819624696 & 40 \tabularnewline
9 & 401.5 & 9.18991542151207 & 28 \tabularnewline
10 & 437.75 & 13.6056472232539 & 40 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=114207&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]361.666666666667[/C][C]11.211465992321[/C][C]33[/C][/ROW]
[ROW][C]2[/C][C]356.166666666667[/C][C]11.2236222749029[/C][C]33[/C][/ROW]
[ROW][C]3[/C][C]369.916666666667[/C][C]10.4137874808818[/C][C]27[/C][/ROW]
[ROW][C]4[/C][C]405.666666666667[/C][C]12.8793939251344[/C][C]29[/C][/ROW]
[ROW][C]5[/C][C]439.833333333333[/C][C]15.1647517938704[/C][C]39[/C][/ROW]
[ROW][C]6[/C][C]463.083333333333[/C][C]6.15642064445853[/C][C]17[/C][/ROW]
[ROW][C]7[/C][C]461.833333333333[/C][C]11.2074109680185[/C][C]34[/C][/ROW]
[ROW][C]8[/C][C]421.916666666667[/C][C]13.1249819624696[/C][C]40[/C][/ROW]
[ROW][C]9[/C][C]401.5[/C][C]9.18991542151207[/C][C]28[/C][/ROW]
[ROW][C]10[/C][C]437.75[/C][C]13.6056472232539[/C][C]40[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=114207&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=114207&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
1361.66666666666711.21146599232133
2356.16666666666711.223622274902933
3369.91666666666710.413787480881827
4405.66666666666712.879393925134429
5439.83333333333315.164751793870439
6463.0833333333336.1564206444585317
7461.83333333333311.207410968018534
8421.91666666666713.124981962469640
9401.59.1899154215120728
10437.7513.605647223253940







Regression: S.E.(k) = alpha + beta * Mean(k)
alpha12.1162655546075
beta-0.00169572532592287
S.D.0.0225195417527183
T-STAT-0.0753001701607975
p-value0.941824837991559

\begin{tabular}{lllllllll}
\hline
Regression: S.E.(k) = alpha + beta * Mean(k) \tabularnewline
alpha & 12.1162655546075 \tabularnewline
beta & -0.00169572532592287 \tabularnewline
S.D. & 0.0225195417527183 \tabularnewline
T-STAT & -0.0753001701607975 \tabularnewline
p-value & 0.941824837991559 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=114207&T=2

[TABLE]
[ROW][C]Regression: S.E.(k) = alpha + beta * Mean(k)[/C][/ROW]
[ROW][C]alpha[/C][C]12.1162655546075[/C][/ROW]
[ROW][C]beta[/C][C]-0.00169572532592287[/C][/ROW]
[ROW][C]S.D.[/C][C]0.0225195417527183[/C][/ROW]
[ROW][C]T-STAT[/C][C]-0.0753001701607975[/C][/ROW]
[ROW][C]p-value[/C][C]0.941824837991559[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=114207&T=2

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=114207&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)
alpha12.1162655546075
beta-0.00169572532592287
S.D.0.0225195417527183
T-STAT-0.0753001701607975
p-value0.941824837991559







Regression: ln S.E.(k) = alpha + beta * ln Mean(k)
alpha4.12523409451918
beta-0.285251492080307
S.D.0.911270843300049
T-STAT-0.313026027528002
p-value0.762265873921722
Lambda1.28525149208031

\begin{tabular}{lllllllll}
\hline
Regression: ln S.E.(k) = alpha + beta * ln Mean(k) \tabularnewline
alpha & 4.12523409451918 \tabularnewline
beta & -0.285251492080307 \tabularnewline
S.D. & 0.911270843300049 \tabularnewline
T-STAT & -0.313026027528002 \tabularnewline
p-value & 0.762265873921722 \tabularnewline
Lambda & 1.28525149208031 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=114207&T=3

[TABLE]
[ROW][C]Regression: ln S.E.(k) = alpha + beta * ln Mean(k)[/C][/ROW]
[ROW][C]alpha[/C][C]4.12523409451918[/C][/ROW]
[ROW][C]beta[/C][C]-0.285251492080307[/C][/ROW]
[ROW][C]S.D.[/C][C]0.911270843300049[/C][/ROW]
[ROW][C]T-STAT[/C][C]-0.313026027528002[/C][/ROW]
[ROW][C]p-value[/C][C]0.762265873921722[/C][/ROW]
[ROW][C]Lambda[/C][C]1.28525149208031[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=114207&T=3

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=114207&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)
alpha4.12523409451918
beta-0.285251492080307
S.D.0.911270843300049
T-STAT-0.313026027528002
p-value0.762265873921722
Lambda1.28525149208031



Parameters (Session):
par1 = 12 ; par2 = 1 ; par3 = 1 ; par4 = 1 ; par5 = 12 ; par6 = White Noise ; par7 = 0.95 ;
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')