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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, 18 Mar 2016 14:14:09 +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/2016/Mar/18/t1458310530jediqo7aswa9kun.htm/, Retrieved Thu, 02 May 2024 01:31:21 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=294265, Retrieved Thu, 02 May 2024 01:31:21 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact107

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] [] [2016-03-18 14:14:09] [3fd8a2781b4a66a294f894c9e659cf7e] [Current]
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Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
97.78
97.73
97.61
97.69
97.68
97.67
97.67
97.96
98.27
99.52
99.59
99.75
99.75
99.8
99.99
100.25
100.08
100.08
100.08
100.06
101
101.81
101.82
101.96
101.96
101.93
102.03
102.11
102.07
102.34
102.34
102.33
102.77
103.08
103.38
103.44
99.1
99.15
99.21
99.01
99.08
99.11
100.11
100.31
100.55
101.38
101.49
101.5
100.69
100.8
100.58
100.34
100.38
100.33
101.06
101.15
101.36
101.98
102.24
102.34

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'Sir Maurice George Kendall' @ kendall.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 & 1 seconds \tabularnewline
R Server & 'Sir Maurice George Kendall' @ kendall.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=294265&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]'Sir Maurice George Kendall' @ kendall.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=294265&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=294265&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'Sir Maurice George Kendall' @ kendall.wessa.net






Standard Deviation-Mean Plot
SectionMeanStandard DeviationRange
198.24333333333330.8503831578479872.14
2100.5566666666670.8474274796897562.20999999999999
3102.4816666666670.5491950031775151.50999999999999
41001.025156307372422.48999999999999
5101.1041666666670.7323990260324862.01000000000001

\begin{tabular}{lllllllll}
\hline
Standard Deviation-Mean Plot \tabularnewline
Section & Mean & Standard Deviation & Range \tabularnewline
1 & 98.2433333333333 & 0.850383157847987 & 2.14 \tabularnewline
2 & 100.556666666667 & 0.847427479689756 & 2.20999999999999 \tabularnewline
3 & 102.481666666667 & 0.549195003177515 & 1.50999999999999 \tabularnewline
4 & 100 & 1.02515630737242 & 2.48999999999999 \tabularnewline
5 & 101.104166666667 & 0.732399026032486 & 2.01000000000001 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=294265&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]98.2433333333333[/C][C]0.850383157847987[/C][C]2.14[/C][/ROW]
[ROW][C]2[/C][C]100.556666666667[/C][C]0.847427479689756[/C][C]2.20999999999999[/C][/ROW]
[ROW][C]3[/C][C]102.481666666667[/C][C]0.549195003177515[/C][C]1.50999999999999[/C][/ROW]
[ROW][C]4[/C][C]100[/C][C]1.02515630737242[/C][C]2.48999999999999[/C][/ROW]
[ROW][C]5[/C][C]101.104166666667[/C][C]0.732399026032486[/C][C]2.01000000000001[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=294265&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=294265&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
198.24333333333330.8503831578479872.14
2100.5566666666670.8474274796897562.20999999999999
3102.4816666666670.5491950031775151.50999999999999
41001.025156307372422.48999999999999
5101.1041666666670.7323990260324862.01000000000001






Regression: S.E.(k) = alpha + beta * Mean(k)
alpha8.74027960126884
beta-0.0790166330305042
S.D.0.0466087644636646
T-STAT-1.6953170490521
p-value0.188586120802464

\begin{tabular}{lllllllll}
\hline
Regression: S.E.(k) = alpha + beta * Mean(k) \tabularnewline
alpha & 8.74027960126884 \tabularnewline
beta & -0.0790166330305042 \tabularnewline
S.D. & 0.0466087644636646 \tabularnewline
T-STAT & -1.6953170490521 \tabularnewline
p-value & 0.188586120802464 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=294265&T=2

[TABLE]
[ROW][C]Regression: S.E.(k) = alpha + beta * Mean(k)[/C][/ROW]
[ROW][C]alpha[/C][C]8.74027960126884[/C][/ROW]
[ROW][C]beta[/C][C]-0.0790166330305042[/C][/ROW]
[ROW][C]S.D.[/C][C]0.0466087644636646[/C][/ROW]
[ROW][C]T-STAT[/C][C]-1.6953170490521[/C][/ROW]
[ROW][C]p-value[/C][C]0.188586120802464[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=294265&T=2

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=294265&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)
alpha8.74027960126884
beta-0.0790166330305042
S.D.0.0466087644636646
T-STAT-1.6953170490521
p-value0.188586120802464






Regression: ln S.E.(k) = alpha + beta * ln Mean(k)
alpha50.288317456821
beta-10.9615680438556
S.D.5.92510784292134
T-STAT-1.85002000545041
p-value0.161421465639637
Lambda11.9615680438556

\begin{tabular}{lllllllll}
\hline
Regression: ln S.E.(k) = alpha + beta * ln Mean(k) \tabularnewline
alpha & 50.288317456821 \tabularnewline
beta & -10.9615680438556 \tabularnewline
S.D. & 5.92510784292134 \tabularnewline
T-STAT & -1.85002000545041 \tabularnewline
p-value & 0.161421465639637 \tabularnewline
Lambda & 11.9615680438556 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=294265&T=3

[TABLE]
[ROW][C]Regression: ln S.E.(k) = alpha + beta * ln Mean(k)[/C][/ROW]
[ROW][C]alpha[/C][C]50.288317456821[/C][/ROW]
[ROW][C]beta[/C][C]-10.9615680438556[/C][/ROW]
[ROW][C]S.D.[/C][C]5.92510784292134[/C][/ROW]
[ROW][C]T-STAT[/C][C]-1.85002000545041[/C][/ROW]
[ROW][C]p-value[/C][C]0.161421465639637[/C][/ROW]
[ROW][C]Lambda[/C][C]11.9615680438556[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=294265&T=3

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=294265&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)
alpha50.288317456821
beta-10.9615680438556
S.D.5.92510784292134
T-STAT-1.85002000545041
p-value0.161421465639637
Lambda11.9615680438556


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')