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Description of Statistical Computation

Author's title

Author*Unverified author*
R Software Modulerwasp_smp.wasp
Title produced by softwareStandard Deviation-Mean Plot
Date of computationFri, 26 Apr 2013 09:44:26 -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/Apr/26/t136698387454ni53er1o6bdf3.htm/, Retrieved Sat, 27 Apr 2024 05:54:42 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=208375, Retrieved Sat, 27 Apr 2024 05:54:42 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact129

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] [] [2013-04-26 13:44:26] [d299705eb289d47d3db9039788329b5a] [Current]
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Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
16.68
16.68
16.69
16.61
16.58
16.6
16.6
16.62
16.62
16.6
16.63
16.66
16.66
16.65
16.5
16.39
16.34
16.35
16.35
16.38
16.36
16.38
16.39
16.41
16.41
16.41
16.45
16.41
16.44
16.47
16.47
16.49
16.54
16.62
16.69
16.72
16.72
16.71
16.89
16.93
16.91
16.93
16.93
16.93
16.95
16.93
16.95
16.95
16.95
16.95
16.92
16.91
16.9
16.96
16.96
16.95
16.92
16.87
16.87
16.88
16.88
16.86
16.88
16.88
16.88
16.88
16.88
16.87
16.92
16.94
17.03
17.02

Tables (Output of Computation)





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=208375&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=208375&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=208375&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 time2 seconds
R Server'George Udny Yule' @ yule.wessa.net






Standard Deviation-Mean Plot
SectionMeanStandard DeviationRange
116.63083333333330.03728473568568660.110000000000003
216.430.1130567033917850.32
316.510.1093784090377820.309999999999999
416.89416666666670.08543560396136030.239999999999998
516.920.03437758254761640.0899999999999999
616.910.05799686511904260.170000000000002

\begin{tabular}{lllllllll}
\hline
Standard Deviation-Mean Plot \tabularnewline
Section & Mean & Standard Deviation & Range \tabularnewline
1 & 16.6308333333333 & 0.0372847356856866 & 0.110000000000003 \tabularnewline
2 & 16.43 & 0.113056703391785 & 0.32 \tabularnewline
3 & 16.51 & 0.109378409037782 & 0.309999999999999 \tabularnewline
4 & 16.8941666666667 & 0.0854356039613603 & 0.239999999999998 \tabularnewline
5 & 16.92 & 0.0343775825476164 & 0.0899999999999999 \tabularnewline
6 & 16.91 & 0.0579968651190426 & 0.170000000000002 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=208375&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]16.6308333333333[/C][C]0.0372847356856866[/C][C]0.110000000000003[/C][/ROW]
[ROW][C]2[/C][C]16.43[/C][C]0.113056703391785[/C][C]0.32[/C][/ROW]
[ROW][C]3[/C][C]16.51[/C][C]0.109378409037782[/C][C]0.309999999999999[/C][/ROW]
[ROW][C]4[/C][C]16.8941666666667[/C][C]0.0854356039613603[/C][C]0.239999999999998[/C][/ROW]
[ROW][C]5[/C][C]16.92[/C][C]0.0343775825476164[/C][C]0.0899999999999999[/C][/ROW]
[ROW][C]6[/C][C]16.91[/C][C]0.0579968651190426[/C][C]0.170000000000002[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=208375&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=208375&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
116.63083333333330.03728473568568660.110000000000003
216.430.1130567033917850.32
316.510.1093784090377820.309999999999999
416.89416666666670.08543560396136030.239999999999998
516.920.03437758254761640.0899999999999999
616.910.05799686511904260.170000000000002






Regression: S.E.(k) = alpha + beta * Mean(k)
alpha1.76066469529039
beta-0.100966730863942
S.D.0.0609484732532375
T-STAT-1.65659163346768
p-value0.172943103614032

\begin{tabular}{lllllllll}
\hline
Regression: S.E.(k) = alpha + beta * Mean(k) \tabularnewline
alpha & 1.76066469529039 \tabularnewline
beta & -0.100966730863942 \tabularnewline
S.D. & 0.0609484732532375 \tabularnewline
T-STAT & -1.65659163346768 \tabularnewline
p-value & 0.172943103614032 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=208375&T=2

[TABLE]
[ROW][C]Regression: S.E.(k) = alpha + beta * Mean(k)[/C][/ROW]
[ROW][C]alpha[/C][C]1.76066469529039[/C][/ROW]
[ROW][C]beta[/C][C]-0.100966730863942[/C][/ROW]
[ROW][C]S.D.[/C][C]0.0609484732532375[/C][/ROW]
[ROW][C]T-STAT[/C][C]-1.65659163346768[/C][/ROW]
[ROW][C]p-value[/C][C]0.172943103614032[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=208375&T=2

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=208375&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)
alpha1.76066469529039
beta-0.100966730863942
S.D.0.0609484732532375
T-STAT-1.65659163346768
p-value0.172943103614032






Regression: ln S.E.(k) = alpha + beta * ln Mean(k)
alpha59.7484723887928
beta-22.183518744918
S.D.16.5283958366683
T-STAT-1.34214590236905
p-value0.25066576878712
Lambda23.183518744918

\begin{tabular}{lllllllll}
\hline
Regression: ln S.E.(k) = alpha + beta * ln Mean(k) \tabularnewline
alpha & 59.7484723887928 \tabularnewline
beta & -22.183518744918 \tabularnewline
S.D. & 16.5283958366683 \tabularnewline
T-STAT & -1.34214590236905 \tabularnewline
p-value & 0.25066576878712 \tabularnewline
Lambda & 23.183518744918 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=208375&T=3

[TABLE]
[ROW][C]Regression: ln S.E.(k) = alpha + beta * ln Mean(k)[/C][/ROW]
[ROW][C]alpha[/C][C]59.7484723887928[/C][/ROW]
[ROW][C]beta[/C][C]-22.183518744918[/C][/ROW]
[ROW][C]S.D.[/C][C]16.5283958366683[/C][/ROW]
[ROW][C]T-STAT[/C][C]-1.34214590236905[/C][/ROW]
[ROW][C]p-value[/C][C]0.25066576878712[/C][/ROW]
[ROW][C]Lambda[/C][C]23.183518744918[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=208375&T=3

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=208375&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)
alpha59.7484723887928
beta-22.183518744918
S.D.16.5283958366683
T-STAT-1.34214590236905
p-value0.25066576878712
Lambda23.183518744918


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')