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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 computationMon, 14 Dec 2009 12:58:23 -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/2009/Dec/14/t1260820809c6gakrifrwp6krt.htm/, Retrieved Sun, 05 May 2024 11:33:14 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=67654, Retrieved Sun, 05 May 2024 11:33:14 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact136

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-     [Standard Deviation-Mean Plot] [Standard deviatio...] [2008-12-11 16:40:34] [12d343c4448a5f9e527bb31caeac580b]
-  MPD    [Standard Deviation-Mean Plot] [standard deviatio...] [2009-12-14 19:58:23] [244731fa3e7e6c85774b8c0902c58f85] [Current]
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Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
2058,00
2160,00
2260,00
2498,00
2695,00
2799,00
2947,00
2930,00
2318,00
2540,00
2570,00
2669,00
2450,00
2842,00
3440,00
2678,00
2981,00
2260,00
2844,00
2546,00
2456,00
2295,00
2379,00
2479,00
2057,00
2280,00
2351,00
2276,00
2548,00
2311,00
2201,00
2725,00
2408,00
2139,00
1898,00
2537,00
2069,00
2063,00
2526,00
2440,00
2191,00
2797,00
2074,00
2628,00
2287,00
2146,00
2430,00
2141,00
1827,00
2082,00
1788,00
1743,00
2245,00
1963,00
1828,00
2527,00
2114,00
2424,00

Tables (Output of Computation)





Summary of computational transaction
Raw Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time1 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=67654&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=67654&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=67654&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 time1 seconds
R Server'Gwilym Jenkins' @ 72.249.127.135






Standard Deviation-Mean Plot
SectionMeanStandard DeviationRange
12537291.151319607332889
22637.5340.6316325459351180
32310.91666666667227.357331222475827
42316245.088110315825734

\begin{tabular}{lllllllll}
\hline
Standard Deviation-Mean Plot \tabularnewline
Section & Mean & Standard Deviation & Range \tabularnewline
1 & 2537 & 291.151319607332 & 889 \tabularnewline
2 & 2637.5 & 340.631632545935 & 1180 \tabularnewline
3 & 2310.91666666667 & 227.357331222475 & 827 \tabularnewline
4 & 2316 & 245.088110315825 & 734 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=67654&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]2537[/C][C]291.151319607332[/C][C]889[/C][/ROW]
[ROW][C]2[/C][C]2637.5[/C][C]340.631632545935[/C][C]1180[/C][/ROW]
[ROW][C]3[/C][C]2310.91666666667[/C][C]227.357331222475[/C][C]827[/C][/ROW]
[ROW][C]4[/C][C]2316[/C][C]245.088110315825[/C][C]734[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=67654&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=67654&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
12537291.151319607332889
22637.5340.6316325459351180
32310.91666666667227.357331222475827
42316245.088110315825734






Regression: S.E.(k) = alpha + beta * Mean(k)
alpha-469.356301697452
beta0.304206391982252
S.D.0.0449111875190128
T-STAT6.77351031640987
p-value0.0211081309942229

\begin{tabular}{lllllllll}
\hline
Regression: S.E.(k) = alpha + beta * Mean(k) \tabularnewline
alpha & -469.356301697452 \tabularnewline
beta & 0.304206391982252 \tabularnewline
S.D. & 0.0449111875190128 \tabularnewline
T-STAT & 6.77351031640987 \tabularnewline
p-value & 0.0211081309942229 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=67654&T=2

[TABLE]
[ROW][C]Regression: S.E.(k) = alpha + beta * Mean(k)[/C][/ROW]
[ROW][C]alpha[/C][C]-469.356301697452[/C][/ROW]
[ROW][C]beta[/C][C]0.304206391982252[/C][/ROW]
[ROW][C]S.D.[/C][C]0.0449111875190128[/C][/ROW]
[ROW][C]T-STAT[/C][C]6.77351031640987[/C][/ROW]
[ROW][C]p-value[/C][C]0.0211081309942229[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=67654&T=2

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=67654&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)
alpha-469.356301697452
beta0.304206391982252
S.D.0.0449111875190128
T-STAT6.77351031640987
p-value0.0211081309942229






Regression: ln S.E.(k) = alpha + beta * ln Mean(k)
alpha-15.2273325809558
beta2.67042389446338
S.D.0.384511163860022
T-STAT6.9449840354584
p-value0.0201095063919764
Lambda-1.67042389446338

\begin{tabular}{lllllllll}
\hline
Regression: ln S.E.(k) = alpha + beta * ln Mean(k) \tabularnewline
alpha & -15.2273325809558 \tabularnewline
beta & 2.67042389446338 \tabularnewline
S.D. & 0.384511163860022 \tabularnewline
T-STAT & 6.9449840354584 \tabularnewline
p-value & 0.0201095063919764 \tabularnewline
Lambda & -1.67042389446338 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=67654&T=3

[TABLE]
[ROW][C]Regression: ln S.E.(k) = alpha + beta * ln Mean(k)[/C][/ROW]
[ROW][C]alpha[/C][C]-15.2273325809558[/C][/ROW]
[ROW][C]beta[/C][C]2.67042389446338[/C][/ROW]
[ROW][C]S.D.[/C][C]0.384511163860022[/C][/ROW]
[ROW][C]T-STAT[/C][C]6.9449840354584[/C][/ROW]
[ROW][C]p-value[/C][C]0.0201095063919764[/C][/ROW]
[ROW][C]Lambda[/C][C]-1.67042389446338[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=67654&T=3

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=67654&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)
alpha-15.2273325809558
beta2.67042389446338
S.D.0.384511163860022
T-STAT6.9449840354584
p-value0.0201095063919764
Lambda-1.67042389446338


Figures (Output of Computation)

Input Parameters & R Code

Parameters (Session):
par1 = Industriële omzetcijfers volgens BTW ; par2 = ADSEI ; par3 = maandelijkse industriële omzet volgens BTW in België ;
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')