FreeStatistics.org

Free Statistics

of Irreproducible Research!

Description of Statistical Computation

Author's title

Author*Unverified author*
R Software Modulerwasp_smp.wasp
Title produced by softwareStandard Deviation-Mean Plot
Date of computationWed, 16 Mar 2016 15:22:50 +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/16/t1458141847s17mozpogapbqxz.htm/, Retrieved Mon, 06 May 2024 18:51:40 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=294161, Retrieved Mon, 06 May 2024 18:51:40 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact155

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] [standaard deviati...] [2016-03-16 15:22:50] [b54f462b245e496e54620f8b97639ccc] [Current]
Feedback Forum

Post a new message

Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
92.49
92.46
92.55
92.24
92.41
92.83
92.85
93.04
93.04
92.83
92.96
92.83
93.01
93.21
93.58
94.07
94.57
95.03
95.21
95.89
96.43
96.35
96.71
96.32
97.23
97.88
98.2
98.56
99.31
99.69
99.77
101.06
101.77
101.91
102.52
102.09
102.22
102.74
103.56
104.4
104.76
104.86
104.84
104.96
104.83
104.58
104.8
104.17
104.63
105.32
106.16
107.22
107.51
107.87
107.79
108.04
107.74
107.71
111.19
110.82

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' @ jenkins.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 & 'Gwilym Jenkins' @ jenkins.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=294161&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' @ jenkins.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=294161&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=294161&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' @ jenkins.wessa.net






Standard Deviation-Mean Plot
SectionMeanStandard DeviationRange
192.71083333333330.268072525238750.800000000000011
295.03166666666671.334485487051663.69999999999999
399.99916666666671.827295360179455.28999999999999
4104.2266666666670.9111265088622522.73999999999999
5107.6666666666671.901742422733496.56

\begin{tabular}{lllllllll}
\hline
Standard Deviation-Mean Plot \tabularnewline
Section & Mean & Standard Deviation & Range \tabularnewline
1 & 92.7108333333333 & 0.26807252523875 & 0.800000000000011 \tabularnewline
2 & 95.0316666666667 & 1.33448548705166 & 3.69999999999999 \tabularnewline
3 & 99.9991666666667 & 1.82729536017945 & 5.28999999999999 \tabularnewline
4 & 104.226666666667 & 0.911126508862252 & 2.73999999999999 \tabularnewline
5 & 107.666666666667 & 1.90174242273349 & 6.56 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=294161&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]92.7108333333333[/C][C]0.26807252523875[/C][C]0.800000000000011[/C][/ROW]
[ROW][C]2[/C][C]95.0316666666667[/C][C]1.33448548705166[/C][C]3.69999999999999[/C][/ROW]
[ROW][C]3[/C][C]99.9991666666667[/C][C]1.82729536017945[/C][C]5.28999999999999[/C][/ROW]
[ROW][C]4[/C][C]104.226666666667[/C][C]0.911126508862252[/C][C]2.73999999999999[/C][/ROW]
[ROW][C]5[/C][C]107.666666666667[/C][C]1.90174242273349[/C][C]6.56[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=294161&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=294161&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
192.71083333333330.268072525238750.800000000000011
295.03166666666671.334485487051663.69999999999999
399.99916666666671.827295360179455.28999999999999
4104.2266666666670.9111265088622522.73999999999999
5107.6666666666671.901742422733496.56






Regression: S.E.(k) = alpha + beta * Mean(k)
alpha-5.41686600841258
beta0.0667027977346032
S.D.0.0499747817725487
T-STAT1.33472914475523
p-value0.27422076709719

\begin{tabular}{lllllllll}
\hline
Regression: S.E.(k) = alpha + beta * Mean(k) \tabularnewline
alpha & -5.41686600841258 \tabularnewline
beta & 0.0667027977346032 \tabularnewline
S.D. & 0.0499747817725487 \tabularnewline
T-STAT & 1.33472914475523 \tabularnewline
p-value & 0.27422076709719 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=294161&T=2

[TABLE]
[ROW][C]Regression: S.E.(k) = alpha + beta * Mean(k)[/C][/ROW]
[ROW][C]alpha[/C][C]-5.41686600841258[/C][/ROW]
[ROW][C]beta[/C][C]0.0667027977346032[/C][/ROW]
[ROW][C]S.D.[/C][C]0.0499747817725487[/C][/ROW]
[ROW][C]T-STAT[/C][C]1.33472914475523[/C][/ROW]
[ROW][C]p-value[/C][C]0.27422076709719[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=294161&T=2

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=294161&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-5.41686600841258
beta0.0667027977346032
S.D.0.0499747817725487
T-STAT1.33472914475523
p-value0.27422076709719






Regression: ln S.E.(k) = alpha + beta * ln Mean(k)
alpha-38.3108681914568
beta8.32862808871083
S.D.5.73324734583588
T-STAT1.45268947706573
p-value0.242252123582197
Lambda-7.32862808871083

\begin{tabular}{lllllllll}
\hline
Regression: ln S.E.(k) = alpha + beta * ln Mean(k) \tabularnewline
alpha & -38.3108681914568 \tabularnewline
beta & 8.32862808871083 \tabularnewline
S.D. & 5.73324734583588 \tabularnewline
T-STAT & 1.45268947706573 \tabularnewline
p-value & 0.242252123582197 \tabularnewline
Lambda & -7.32862808871083 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=294161&T=3

[TABLE]
[ROW][C]Regression: ln S.E.(k) = alpha + beta * ln Mean(k)[/C][/ROW]
[ROW][C]alpha[/C][C]-38.3108681914568[/C][/ROW]
[ROW][C]beta[/C][C]8.32862808871083[/C][/ROW]
[ROW][C]S.D.[/C][C]5.73324734583588[/C][/ROW]
[ROW][C]T-STAT[/C][C]1.45268947706573[/C][/ROW]
[ROW][C]p-value[/C][C]0.242252123582197[/C][/ROW]
[ROW][C]Lambda[/C][C]-7.32862808871083[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=294161&T=3

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=294161&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-38.3108681914568
beta8.32862808871083
S.D.5.73324734583588
T-STAT1.45268947706573
p-value0.242252123582197
Lambda-7.32862808871083


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')