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Description of Statistical Computation

Author's title

Author*The author of this computation has been verified*
R Software Modulerwasp_variancereduction.wasp
Title produced by softwareVariance Reduction Matrix
Date of computationThu, 15 Dec 2016 09:47:30 +0100
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/Dec/15/t1481791859p1ppweqs65qe1yo.htm/, Retrieved Fri, 03 May 2024 10:25:47 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=299770, Retrieved Fri, 03 May 2024 10:25:47 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact109

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-       [Variance Reduction Matrix] [variance reductio...] [2016-12-15 08:47:30] [f20c721eaecf28dbff8d9b9768e8b0c7] [Current]
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Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
3904.45
4137.2
4334.5
4188.6
4304.1
4570.45
4178.85
4515.15
4740.55
4582.2
4493.6
4437
4294
4581.35
4780.15
4632
4648.2
4834.85
4465.25
4671.65
4871.3
4707.8
4580.45
4562.25
4329.7
4646.1
4844.1
4623
4707.2
4844.9
4436.75
4680.85
4873.8
4735.15
4681.9
4607
4436.4
4614.1
4619.25
4507.1
4515.85
4725.4
4250.85
4591.6
4898.15
4675.45
4568.95
4531.05
4387.35
4826.1
4954.35
4814.85
4821.55
5148.05
4810.75
4988.05
5322.65
5157
5006.65
4910.2
4764.05
5093.7
5312.2
5157.6
5192.4
5546.6
5092.05
5423.25
5647.2
5450.05
5360.3
5309.25
5181
5488.6
5668.15
5560.8
5590.45
5850.7
5252.2
5626.1
5819.8
5676.35
5525.5
5359.55
5296.85
5623.75
5899.3
5672.6
5724.75
5995.1
5475.2
6143.95
6366.95
6306.1
6077
5672.4
5458.6
5716.9
5828.1
5706.85
5888.3
6007.7
5581.85
5970.95
6190.4
6079.15
5902.2
5554.4
5320.45
5683.1
5987.9
5843.7
5917.5
6299.45
5846.75
5998.1

Tables (Output of Computation)





Summary of computational transaction
Raw Input view raw input (R code)
Raw Outputview raw output of R engine
Computing time1 seconds
R ServerBig Analytics Cloud Computing Center

\begin{tabular}{lllllllll}
\hline
Summary of computational transaction \tabularnewline
Raw Input view raw input (R code)  \tabularnewline
Raw Outputview raw output of R engine  \tabularnewline
Computing time1 seconds \tabularnewline
R ServerBig Analytics Cloud Computing Center \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=299770&T=0

[TABLE]
[ROW]
Summary of computational transaction[/C][/ROW] [ROW]Raw Input[/C] view raw input (R code) [/C][/ROW] [ROW]Raw Output[/C]view raw output of R engine [/C][/ROW] [ROW]Computing time[/C]1 seconds[/C][/ROW] [ROW]R Server[/C]Big Analytics Cloud Computing Center[/C][/ROW] [/TABLE] Source: https://freestatistics.org/blog/index.php?pk=299770&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=299770&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 Input view raw input (R code)
Raw Outputview raw output of R engine
Computing time1 seconds
R ServerBig Analytics Cloud Computing Center






Variance Reduction Matrix
V(Y[t],d=0,D=0)355371Range2462.5Trim Var.269683
V(Y[t],d=1,D=0)62359.7Range1267.25Trim Var.43490.8
V(Y[t],d=2,D=0)156749Range2047.4Trim Var.91598.3
V(Y[t],d=3,D=0)463004Range3613.3Trim Var.269907
V(Y[t],d=0,D=1)42901.5Range856.7Trim Var.30113.1
V(Y[t],d=1,D=1)10412.5Range574.5Trim Var.5278.54
V(Y[t],d=2,D=1)21189.9Range743.9Trim Var.12322.9
V(Y[t],d=3,D=1)63516.2Range1309.4Trim Var.36203
V(Y[t],d=0,D=2)93083.7Range1602.5Trim Var.52675.4
V(Y[t],d=1,D=2)27753.1Range988Trim Var.14646.5
V(Y[t],d=2,D=2)57935Range1240.4Trim Var.30317.3
V(Y[t],d=3,D=2)177742Range2316.45Trim Var.106475

\begin{tabular}{lllllllll}
\hline
Variance Reduction Matrix \tabularnewline
V(Y[t],d=0,D=0) & 355371 & Range & 2462.5 & Trim Var. & 269683 \tabularnewline
V(Y[t],d=1,D=0) & 62359.7 & Range & 1267.25 & Trim Var. & 43490.8 \tabularnewline
V(Y[t],d=2,D=0) & 156749 & Range & 2047.4 & Trim Var. & 91598.3 \tabularnewline
V(Y[t],d=3,D=0) & 463004 & Range & 3613.3 & Trim Var. & 269907 \tabularnewline
V(Y[t],d=0,D=1) & 42901.5 & Range & 856.7 & Trim Var. & 30113.1 \tabularnewline
V(Y[t],d=1,D=1) & 10412.5 & Range & 574.5 & Trim Var. & 5278.54 \tabularnewline
V(Y[t],d=2,D=1) & 21189.9 & Range & 743.9 & Trim Var. & 12322.9 \tabularnewline
V(Y[t],d=3,D=1) & 63516.2 & Range & 1309.4 & Trim Var. & 36203 \tabularnewline
V(Y[t],d=0,D=2) & 93083.7 & Range & 1602.5 & Trim Var. & 52675.4 \tabularnewline
V(Y[t],d=1,D=2) & 27753.1 & Range & 988 & Trim Var. & 14646.5 \tabularnewline
V(Y[t],d=2,D=2) & 57935 & Range & 1240.4 & Trim Var. & 30317.3 \tabularnewline
V(Y[t],d=3,D=2) & 177742 & Range & 2316.45 & Trim Var. & 106475 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=299770&T=1

[TABLE]
[ROW][C]Variance Reduction Matrix[/C][/ROW]
[ROW][C]V(Y[t],d=0,D=0)[/C][C]355371[/C][C]Range[/C][C]2462.5[/C][C]Trim Var.[/C][C]269683[/C][/ROW]
[ROW][C]V(Y[t],d=1,D=0)[/C][C]62359.7[/C][C]Range[/C][C]1267.25[/C][C]Trim Var.[/C][C]43490.8[/C][/ROW]
[ROW][C]V(Y[t],d=2,D=0)[/C][C]156749[/C][C]Range[/C][C]2047.4[/C][C]Trim Var.[/C][C]91598.3[/C][/ROW]
[ROW][C]V(Y[t],d=3,D=0)[/C][C]463004[/C][C]Range[/C][C]3613.3[/C][C]Trim Var.[/C][C]269907[/C][/ROW]
[ROW][C]V(Y[t],d=0,D=1)[/C][C]42901.5[/C][C]Range[/C][C]856.7[/C][C]Trim Var.[/C][C]30113.1[/C][/ROW]
[ROW][C]V(Y[t],d=1,D=1)[/C][C]10412.5[/C][C]Range[/C][C]574.5[/C][C]Trim Var.[/C][C]5278.54[/C][/ROW]
[ROW][C]V(Y[t],d=2,D=1)[/C][C]21189.9[/C][C]Range[/C][C]743.9[/C][C]Trim Var.[/C][C]12322.9[/C][/ROW]
[ROW][C]V(Y[t],d=3,D=1)[/C][C]63516.2[/C][C]Range[/C][C]1309.4[/C][C]Trim Var.[/C][C]36203[/C][/ROW]
[ROW][C]V(Y[t],d=0,D=2)[/C][C]93083.7[/C][C]Range[/C][C]1602.5[/C][C]Trim Var.[/C][C]52675.4[/C][/ROW]
[ROW][C]V(Y[t],d=1,D=2)[/C][C]27753.1[/C][C]Range[/C][C]988[/C][C]Trim Var.[/C][C]14646.5[/C][/ROW]
[ROW][C]V(Y[t],d=2,D=2)[/C][C]57935[/C][C]Range[/C][C]1240.4[/C][C]Trim Var.[/C][C]30317.3[/C][/ROW]
[ROW][C]V(Y[t],d=3,D=2)[/C][C]177742[/C][C]Range[/C][C]2316.45[/C][C]Trim Var.[/C][C]106475[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=299770&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=299770&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:

Variance Reduction Matrix
V(Y[t],d=0,D=0)355371Range2462.5Trim Var.269683
V(Y[t],d=1,D=0)62359.7Range1267.25Trim Var.43490.8
V(Y[t],d=2,D=0)156749Range2047.4Trim Var.91598.3
V(Y[t],d=3,D=0)463004Range3613.3Trim Var.269907
V(Y[t],d=0,D=1)42901.5Range856.7Trim Var.30113.1
V(Y[t],d=1,D=1)10412.5Range574.5Trim Var.5278.54
V(Y[t],d=2,D=1)21189.9Range743.9Trim Var.12322.9
V(Y[t],d=3,D=1)63516.2Range1309.4Trim Var.36203
V(Y[t],d=0,D=2)93083.7Range1602.5Trim Var.52675.4
V(Y[t],d=1,D=2)27753.1Range988Trim Var.14646.5
V(Y[t],d=2,D=2)57935Range1240.4Trim Var.30317.3
V(Y[t],d=3,D=2)177742Range2316.45Trim Var.106475


Figures (Output of Computation)

Input Parameters & R Code

Parameters (Session):
Parameters (R input):
par1 = 12 ;
R code (references can be found in the software module):
par1 <- as.numeric(par1)
n.orig <- length(x)
x <- na.omit(x)
n <- length(x)
sx <- sort(x)
load(file='createtable')
a<-table.start()
a<-table.row.start(a)
a<-table.element(a,'Variance Reduction Matrix',6,TRUE)
a<-table.row.end(a)
if(n.orig!=n) {
a<-table.row.start(a)
a<-table.element(a,'Warning: NAs were removed from the time series! The results shown below will only be correct if the NAs are all located at the start and/or end of the time series.',6,F)
a<-table.row.end(a)
}
for (bigd in 0:2) {
for (smalld in 0:3) {
mylabel <- 'V(Y[t],d='
mylabel <- paste(mylabel,as.character(smalld),sep='')
mylabel <- paste(mylabel,',D=',sep='')
mylabel <- paste(mylabel,as.character(bigd),sep='')
mylabel <- paste(mylabel,')',sep='')
a<-table.row.start(a)
a<-table.element(a,mylabel,header=TRUE)
myx <- x
if (smalld > 0) myx <- diff(myx,lag=1,differences=smalld)
if (bigd > 0) myx <- diff(myx,lag=par1,differences=bigd)
a<-table.element(a,signif(var(myx), digits=6))
a<-table.element(a,'Range',header=TRUE)
a<-table.element(a,signif(max(myx)-min(myx), digits=6))
a<-table.element(a,'Trim Var.',header=TRUE)
smyx <- sort(myx)
sn <- length(smyx)
a<-table.element(a,signif(var(smyx[smyx>quantile(smyx,0.05) & smyxa<-table.row.end(a)
}
}
a<-table.end(a)
table.save(a,file='mytable.tab')
bitmap(file='pic0.png')
op <- par(mfrow=c(2,2))
plot(x,type='l',xlab='time',ylab='value',main='d=0, D=0')
plot(diff(x,lag=1,differences=1),type='l',xlab='time',ylab='value',main='d=1, D=0')
plot(diff(x,lag=par1,differences=1),type='l',xlab='time',ylab='value',main='d=0, D=1')
plot(diff(diff(x,lag=1,differences=1),lag=par1,differences=1),type='l',xlab='time',ylab='value',main='d=1, D=1')
par(op)
dev.off()