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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 computationWed, 07 Jan 2009 14:29:00 -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/Jan/07/t1231363787vosptjkypfto84z.htm/, Retrieved Sun, 05 May 2024 10:41:48 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=36811, Retrieved Sun, 05 May 2024 10:41:48 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact229

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-     [Univariate Data Series] [Grafiek prijzen c...] [2008-09-25 21:03:07] [74be16979710d4c4e7c6647856088456]
- RMPD  [Standard Deviation Plot] [Standard deviatio...] [2009-01-07 21:18:44] [b61406873bd841e2047c054f7ebec102]
- RM        [Standard Deviation-Mean Plot] [Standard deviatio...] [2009-01-07 21:29:00] [f78fa5e3827314a0edd0041d1d9dae5e] [Current]
-             [Standard Deviation-Mean Plot] [Classical Decompo...] [2009-01-09 16:02:17] [74be16979710d4c4e7c6647856088456]
- RMPD        [Classical Decomposition] [Classical Decompo...] [2009-01-09 16:03:17] [74be16979710d4c4e7c6647856088456]
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Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
1.82
1.76
1.79
1.74
1.78
1.80
1.80
1.80
1.79
1.82
1.82
1.83
1.77
1.77
1.77
1.77
1.74
1.78
1.78
1.78
1.78
1.81
1.84
1.80
1.78
1.76
1.74
1.72
1.73
1.77
1.81
1.83
1.87
1.89
1.82
1.79
1.79
1.82
1.82
1.81
1.81
1.78
1.80
1.79
1.83
1.82
1.80
1.82
1.84
1.82
1.81
1.79
1.87
1.89
1.92
1.9
1.91
1.95
2.04
1.99
1.94
1.93
1.89
1.87
1.89
1.9
1.93
1.94
1.88
1.89
1.92
1.91
1.89
1.89
1.98
2.02
2.02
1.99
1.97
1.96
1.95
1.98
2.00
2.00

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=36811&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=36811&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=36811&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
11.795833333333330.02644319239884670.09
21.78250.02490892501603690.1
31.79250.05361902647381810.17
41.80750.01544785951633310.05
51.894166666666670.07476731582149720.25
61.90750.02416797279646990.0699999999999998
71.970833333333330.04337119558025360.13

\begin{tabular}{lllllllll}
\hline
Standard Deviation-Mean Plot \tabularnewline
Section & Mean & Standard Deviation & Range \tabularnewline
1 & 1.79583333333333 & 0.0264431923988467 & 0.09 \tabularnewline
2 & 1.7825 & 0.0249089250160369 & 0.1 \tabularnewline
3 & 1.7925 & 0.0536190264738181 & 0.17 \tabularnewline
4 & 1.8075 & 0.0154478595163331 & 0.05 \tabularnewline
5 & 1.89416666666667 & 0.0747673158214972 & 0.25 \tabularnewline
6 & 1.9075 & 0.0241679727964699 & 0.0699999999999998 \tabularnewline
7 & 1.97083333333333 & 0.0433711955802536 & 0.13 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=36811&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]1.79583333333333[/C][C]0.0264431923988467[/C][C]0.09[/C][/ROW]
[ROW][C]2[/C][C]1.7825[/C][C]0.0249089250160369[/C][C]0.1[/C][/ROW]
[ROW][C]3[/C][C]1.7925[/C][C]0.0536190264738181[/C][C]0.17[/C][/ROW]
[ROW][C]4[/C][C]1.8075[/C][C]0.0154478595163331[/C][C]0.05[/C][/ROW]
[ROW][C]5[/C][C]1.89416666666667[/C][C]0.0747673158214972[/C][C]0.25[/C][/ROW]
[ROW][C]6[/C][C]1.9075[/C][C]0.0241679727964699[/C][C]0.0699999999999998[/C][/ROW]
[ROW][C]7[/C][C]1.97083333333333[/C][C]0.0433711955802536[/C][C]0.13[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=36811&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=36811&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
11.795833333333330.02644319239884670.09
21.78250.02490892501603690.1
31.79250.05361902647381810.17
41.80750.01544785951633310.05
51.894166666666670.07476731582149720.25
61.90750.02416797279646990.0699999999999998
71.970833333333330.04337119558025360.13






Regression: S.E.(k) = alpha + beta * Mean(k)
alpha-0.136190942517072
beta0.0938983657594304
S.D.0.120118681147807
T-STAT0.781713259437873
p-value0.469762541728153

\begin{tabular}{lllllllll}
\hline
Regression: S.E.(k) = alpha + beta * Mean(k) \tabularnewline
alpha & -0.136190942517072 \tabularnewline
beta & 0.0938983657594304 \tabularnewline
S.D. & 0.120118681147807 \tabularnewline
T-STAT & 0.781713259437873 \tabularnewline
p-value & 0.469762541728153 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=36811&T=2

[TABLE]
[ROW][C]Regression: S.E.(k) = alpha + beta * Mean(k)[/C][/ROW]
[ROW][C]alpha[/C][C]-0.136190942517072[/C][/ROW]
[ROW][C]beta[/C][C]0.0938983657594304[/C][/ROW]
[ROW][C]S.D.[/C][C]0.120118681147807[/C][/ROW]
[ROW][C]T-STAT[/C][C]0.781713259437873[/C][/ROW]
[ROW][C]p-value[/C][C]0.469762541728153[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=36811&T=2

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=36811&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-0.136190942517072
beta0.0938983657594304
S.D.0.120118681147807
T-STAT0.781713259437873
p-value0.469762541728153






Regression: ln S.E.(k) = alpha + beta * ln Mean(k)
alpha-6.47898496953768
beta4.99234255591904
S.D.5.77270153876244
T-STAT0.864819101142947
p-value0.42667351473829
Lambda-3.99234255591904

\begin{tabular}{lllllllll}
\hline
Regression: ln S.E.(k) = alpha + beta * ln Mean(k) \tabularnewline
alpha & -6.47898496953768 \tabularnewline
beta & 4.99234255591904 \tabularnewline
S.D. & 5.77270153876244 \tabularnewline
T-STAT & 0.864819101142947 \tabularnewline
p-value & 0.42667351473829 \tabularnewline
Lambda & -3.99234255591904 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=36811&T=3

[TABLE]
[ROW][C]Regression: ln S.E.(k) = alpha + beta * ln Mean(k)[/C][/ROW]
[ROW][C]alpha[/C][C]-6.47898496953768[/C][/ROW]
[ROW][C]beta[/C][C]4.99234255591904[/C][/ROW]
[ROW][C]S.D.[/C][C]5.77270153876244[/C][/ROW]
[ROW][C]T-STAT[/C][C]0.864819101142947[/C][/ROW]
[ROW][C]p-value[/C][C]0.42667351473829[/C][/ROW]
[ROW][C]Lambda[/C][C]-3.99234255591904[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=36811&T=3

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=36811&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-6.47898496953768
beta4.99234255591904
S.D.5.77270153876244
T-STAT0.864819101142947
p-value0.42667351473829
Lambda-3.99234255591904


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')