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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 computationTue, 21 Dec 2010 15:26:01 +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/2010/Dec/21/t12929450315uayo058urqwnt3.htm/, Retrieved Sat, 18 May 2024 01:41:52 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=113672, Retrieved Sat, 18 May 2024 01:41:52 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact110

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] [Unemployment] [2010-11-29 09:29:57] [b98453cac15ba1066b407e146608df68]
- R PD  [Variance Reduction Matrix] [Workshop 9; Coffe...] [2010-12-07 10:15:30] [8ffb4cfa64b4677df0d2c448735a40bb]
- R  D      [Variance Reduction Matrix] [Paper; VRM Coffee] [2010-12-21 15:26:01] [50e0b5177c9c80b42996aa89930b928a] [Current]
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Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
108.35
109.87
111.30
115.50
116.22
116.63
116.84
116.63
117.03
117.00
117.14
116.64
117.24
117.52
117.83
119.79
120.86
120.75
120.63
120.89
120.23
121.19
120.79
120.09
120.86
121.10
121.47
122.01
123.94
125.78
125.31
125.79
126.12
125.57
125.44
126.12
126.01
126.50
126.13
126.66
126.33
126.61
126.36
126.83
125.90
126.29
126.37
125.11

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'Sir Ronald Aylmer Fisher' @ 193.190.124.24

\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 & 'Sir Ronald Aylmer Fisher' @ 193.190.124.24 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=113672&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]'Sir Ronald Aylmer Fisher' @ 193.190.124.24[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=113672&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=113672&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'Sir Ronald Aylmer Fisher' @ 193.190.124.24






Variance Reduction Matrix
V(Y[t],d=0,D=0)23.1755222960993Range18.48Trim Var.14.5425048199768
V(Y[t],d=1,D=0)0.828901202590195Range5.46000000000001Trim Var.0.317441097560976
V(Y[t],d=2,D=0)1.22313758454106Range6.25000000000001Trim Var.0.582473782051282
V(Y[t],d=3,D=0)3.59797676767678Range9.51000000000002Trim Var.1.97516599190283
V(Y[t],d=0,D=1)4.45577801587302Range9.9Trim Var.2.44891612903226
V(Y[t],d=1,D=1)1.04180924369748Range4.20999999999999Trim Var.0.664373978494625
V(Y[t],d=2,D=1)2.18941782531194Range5.08999999999999Trim Var.1.68272195402299
V(Y[t],d=3,D=1)6.48498598484848Range7.85999999999999Trim Var.5.35939211822661
V(Y[t],d=0,D=2)8.85730416666666Range9.73Trim Var.6.14593131578947
V(Y[t],d=1,D=2)3.26070395256918Range5.98Trim Var.2.02359824561403
V(Y[t],d=2,D=2)6.79884502164502Range9.25Trim Var.3.69148496732027
V(Y[t],d=3,D=2)20.0453757142857Range15.07Trim Var.12.1706985294118

\begin{tabular}{lllllllll}
\hline
Variance Reduction Matrix \tabularnewline
V(Y[t],d=0,D=0) & 23.1755222960993 & Range & 18.48 & Trim Var. & 14.5425048199768 \tabularnewline
V(Y[t],d=1,D=0) & 0.828901202590195 & Range & 5.46000000000001 & Trim Var. & 0.317441097560976 \tabularnewline
V(Y[t],d=2,D=0) & 1.22313758454106 & Range & 6.25000000000001 & Trim Var. & 0.582473782051282 \tabularnewline
V(Y[t],d=3,D=0) & 3.59797676767678 & Range & 9.51000000000002 & Trim Var. & 1.97516599190283 \tabularnewline
V(Y[t],d=0,D=1) & 4.45577801587302 & Range & 9.9 & Trim Var. & 2.44891612903226 \tabularnewline
V(Y[t],d=1,D=1) & 1.04180924369748 & Range & 4.20999999999999 & Trim Var. & 0.664373978494625 \tabularnewline
V(Y[t],d=2,D=1) & 2.18941782531194 & Range & 5.08999999999999 & Trim Var. & 1.68272195402299 \tabularnewline
V(Y[t],d=3,D=1) & 6.48498598484848 & Range & 7.85999999999999 & Trim Var. & 5.35939211822661 \tabularnewline
V(Y[t],d=0,D=2) & 8.85730416666666 & Range & 9.73 & Trim Var. & 6.14593131578947 \tabularnewline
V(Y[t],d=1,D=2) & 3.26070395256918 & Range & 5.98 & Trim Var. & 2.02359824561403 \tabularnewline
V(Y[t],d=2,D=2) & 6.79884502164502 & Range & 9.25 & Trim Var. & 3.69148496732027 \tabularnewline
V(Y[t],d=3,D=2) & 20.0453757142857 & Range & 15.07 & Trim Var. & 12.1706985294118 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=113672&T=1

[TABLE]
[ROW][C]Variance Reduction Matrix[/C][/ROW]
[ROW][C]V(Y[t],d=0,D=0)[/C][C]23.1755222960993[/C][C]Range[/C][C]18.48[/C][C]Trim Var.[/C][C]14.5425048199768[/C][/ROW]
[ROW][C]V(Y[t],d=1,D=0)[/C][C]0.828901202590195[/C][C]Range[/C][C]5.46000000000001[/C][C]Trim Var.[/C][C]0.317441097560976[/C][/ROW]
[ROW][C]V(Y[t],d=2,D=0)[/C][C]1.22313758454106[/C][C]Range[/C][C]6.25000000000001[/C][C]Trim Var.[/C][C]0.582473782051282[/C][/ROW]
[ROW][C]V(Y[t],d=3,D=0)[/C][C]3.59797676767678[/C][C]Range[/C][C]9.51000000000002[/C][C]Trim Var.[/C][C]1.97516599190283[/C][/ROW]
[ROW][C]V(Y[t],d=0,D=1)[/C][C]4.45577801587302[/C][C]Range[/C][C]9.9[/C][C]Trim Var.[/C][C]2.44891612903226[/C][/ROW]
[ROW][C]V(Y[t],d=1,D=1)[/C][C]1.04180924369748[/C][C]Range[/C][C]4.20999999999999[/C][C]Trim Var.[/C][C]0.664373978494625[/C][/ROW]
[ROW][C]V(Y[t],d=2,D=1)[/C][C]2.18941782531194[/C][C]Range[/C][C]5.08999999999999[/C][C]Trim Var.[/C][C]1.68272195402299[/C][/ROW]
[ROW][C]V(Y[t],d=3,D=1)[/C][C]6.48498598484848[/C][C]Range[/C][C]7.85999999999999[/C][C]Trim Var.[/C][C]5.35939211822661[/C][/ROW]
[ROW][C]V(Y[t],d=0,D=2)[/C][C]8.85730416666666[/C][C]Range[/C][C]9.73[/C][C]Trim Var.[/C][C]6.14593131578947[/C][/ROW]
[ROW][C]V(Y[t],d=1,D=2)[/C][C]3.26070395256918[/C][C]Range[/C][C]5.98[/C][C]Trim Var.[/C][C]2.02359824561403[/C][/ROW]
[ROW][C]V(Y[t],d=2,D=2)[/C][C]6.79884502164502[/C][C]Range[/C][C]9.25[/C][C]Trim Var.[/C][C]3.69148496732027[/C][/ROW]
[ROW][C]V(Y[t],d=3,D=2)[/C][C]20.0453757142857[/C][C]Range[/C][C]15.07[/C][C]Trim Var.[/C][C]12.1706985294118[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=113672&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=113672&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)23.1755222960993Range18.48Trim Var.14.5425048199768
V(Y[t],d=1,D=0)0.828901202590195Range5.46000000000001Trim Var.0.317441097560976
V(Y[t],d=2,D=0)1.22313758454106Range6.25000000000001Trim Var.0.582473782051282
V(Y[t],d=3,D=0)3.59797676767678Range9.51000000000002Trim Var.1.97516599190283
V(Y[t],d=0,D=1)4.45577801587302Range9.9Trim Var.2.44891612903226
V(Y[t],d=1,D=1)1.04180924369748Range4.20999999999999Trim Var.0.664373978494625
V(Y[t],d=2,D=1)2.18941782531194Range5.08999999999999Trim Var.1.68272195402299
V(Y[t],d=3,D=1)6.48498598484848Range7.85999999999999Trim Var.5.35939211822661
V(Y[t],d=0,D=2)8.85730416666666Range9.73Trim Var.6.14593131578947
V(Y[t],d=1,D=2)3.26070395256918Range5.98Trim Var.2.02359824561403
V(Y[t],d=2,D=2)6.79884502164502Range9.25Trim Var.3.69148496732027
V(Y[t],d=3,D=2)20.0453757142857Range15.07Trim Var.12.1706985294118


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)
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)
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,var(myx))
a<-table.element(a,'Range',header=TRUE)
a<-table.element(a,max(myx)-min(myx))
a<-table.element(a,'Trim Var.',header=TRUE)
smyx <- sort(myx)
sn <- length(smyx)
a<-table.element(a,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()