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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 computationFri, 27 Nov 2009 14:40:05 -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/Nov/27/t1259358045ng5w16npjpq9q3a.htm/, Retrieved Mon, 29 Apr 2024 20:42:46 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=61295, Retrieved Mon, 29 Apr 2024 20:42:46 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact114

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] [] [2009-11-27 21:40:05] [4c719cde102be108d35939b6cdb81c0f] [Current]
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Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
95.6
74.3
88.5
88
84.3
112.8
105.3
97.2
112.4
123.2
143.7
205.1
102.8
89.4
90.7
101.1
93.6
119.3
106.4
105.2
106.5
117.6
144.2
195.5
109.5
84.9
102.9
93.9
104.6
115.2
104.9
114.9
115.1
126.4
156.7
197.3
116.1
89.1
107.8
100.4
113.6
128.3
113.3
113.7
116.1
133.6
167.7
214.6
120.3
106
103.9
118
116.3
134.8
117.8
123.3
125.2
135.8
158.9
217.9

Tables (Output of Computation)





Summary of computational transaction
Raw Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time0 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 & 0 seconds \tabularnewline
R Server & 'Gwilym Jenkins' @ 72.249.127.135 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=61295&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]0 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=61295&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=61295&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 time0 seconds
R Server'Gwilym Jenkins' @ 72.249.127.135






Variance Reduction Matrix
V(Y[t],d=0,D=0)1018.15230225989Range143.6Trim Var.553.721285814116
V(Y[t],d=1,D=0)1010.97338983051Range163.7Trim Var.408.220384615385
V(Y[t],d=2,D=0)2203.41221113128Range252.6Trim Var.792.238054298643
V(Y[t],d=3,D=0)6409.41994987469Range457.2Trim Var.2288.76851764706
V(Y[t],d=0,D=1)1010.97338983051Range163.7Trim Var.408.220384615385
V(Y[t],d=1,D=1)2203.41221113128Range252.6Trim Var.792.238054298643
V(Y[t],d=2,D=1)6409.41994987469Range457.2Trim Var.2288.76851764706
V(Y[t],d=3,D=1)20935.2594285714Range784Trim Var.8658.5375877551
V(Y[t],d=0,D=2)2203.41221113128Range252.6Trim Var.792.238054298643
V(Y[t],d=1,D=2)6409.41994987469Range457.2Trim Var.2288.76851764706
V(Y[t],d=2,D=2)20935.2594285714Range784Trim Var.8658.5375877551
V(Y[t],d=3,D=2)72493.7723030303Range1477Trim Var.30921.5377210885

\begin{tabular}{lllllllll}
\hline
Variance Reduction Matrix \tabularnewline
V(Y[t],d=0,D=0) & 1018.15230225989 & Range & 143.6 & Trim Var. & 553.721285814116 \tabularnewline
V(Y[t],d=1,D=0) & 1010.97338983051 & Range & 163.7 & Trim Var. & 408.220384615385 \tabularnewline
V(Y[t],d=2,D=0) & 2203.41221113128 & Range & 252.6 & Trim Var. & 792.238054298643 \tabularnewline
V(Y[t],d=3,D=0) & 6409.41994987469 & Range & 457.2 & Trim Var. & 2288.76851764706 \tabularnewline
V(Y[t],d=0,D=1) & 1010.97338983051 & Range & 163.7 & Trim Var. & 408.220384615385 \tabularnewline
V(Y[t],d=1,D=1) & 2203.41221113128 & Range & 252.6 & Trim Var. & 792.238054298643 \tabularnewline
V(Y[t],d=2,D=1) & 6409.41994987469 & Range & 457.2 & Trim Var. & 2288.76851764706 \tabularnewline
V(Y[t],d=3,D=1) & 20935.2594285714 & Range & 784 & Trim Var. & 8658.5375877551 \tabularnewline
V(Y[t],d=0,D=2) & 2203.41221113128 & Range & 252.6 & Trim Var. & 792.238054298643 \tabularnewline
V(Y[t],d=1,D=2) & 6409.41994987469 & Range & 457.2 & Trim Var. & 2288.76851764706 \tabularnewline
V(Y[t],d=2,D=2) & 20935.2594285714 & Range & 784 & Trim Var. & 8658.5375877551 \tabularnewline
V(Y[t],d=3,D=2) & 72493.7723030303 & Range & 1477 & Trim Var. & 30921.5377210885 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=61295&T=1

[TABLE]
[ROW][C]Variance Reduction Matrix[/C][/ROW]
[ROW][C]V(Y[t],d=0,D=0)[/C][C]1018.15230225989[/C][C]Range[/C][C]143.6[/C][C]Trim Var.[/C][C]553.721285814116[/C][/ROW]
[ROW][C]V(Y[t],d=1,D=0)[/C][C]1010.97338983051[/C][C]Range[/C][C]163.7[/C][C]Trim Var.[/C][C]408.220384615385[/C][/ROW]
[ROW][C]V(Y[t],d=2,D=0)[/C][C]2203.41221113128[/C][C]Range[/C][C]252.6[/C][C]Trim Var.[/C][C]792.238054298643[/C][/ROW]
[ROW][C]V(Y[t],d=3,D=0)[/C][C]6409.41994987469[/C][C]Range[/C][C]457.2[/C][C]Trim Var.[/C][C]2288.76851764706[/C][/ROW]
[ROW][C]V(Y[t],d=0,D=1)[/C][C]1010.97338983051[/C][C]Range[/C][C]163.7[/C][C]Trim Var.[/C][C]408.220384615385[/C][/ROW]
[ROW][C]V(Y[t],d=1,D=1)[/C][C]2203.41221113128[/C][C]Range[/C][C]252.6[/C][C]Trim Var.[/C][C]792.238054298643[/C][/ROW]
[ROW][C]V(Y[t],d=2,D=1)[/C][C]6409.41994987469[/C][C]Range[/C][C]457.2[/C][C]Trim Var.[/C][C]2288.76851764706[/C][/ROW]
[ROW][C]V(Y[t],d=3,D=1)[/C][C]20935.2594285714[/C][C]Range[/C][C]784[/C][C]Trim Var.[/C][C]8658.5375877551[/C][/ROW]
[ROW][C]V(Y[t],d=0,D=2)[/C][C]2203.41221113128[/C][C]Range[/C][C]252.6[/C][C]Trim Var.[/C][C]792.238054298643[/C][/ROW]
[ROW][C]V(Y[t],d=1,D=2)[/C][C]6409.41994987469[/C][C]Range[/C][C]457.2[/C][C]Trim Var.[/C][C]2288.76851764706[/C][/ROW]
[ROW][C]V(Y[t],d=2,D=2)[/C][C]20935.2594285714[/C][C]Range[/C][C]784[/C][C]Trim Var.[/C][C]8658.5375877551[/C][/ROW]
[ROW][C]V(Y[t],d=3,D=2)[/C][C]72493.7723030303[/C][C]Range[/C][C]1477[/C][C]Trim Var.[/C][C]30921.5377210885[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=61295&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=61295&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)1018.15230225989Range143.6Trim Var.553.721285814116
V(Y[t],d=1,D=0)1010.97338983051Range163.7Trim Var.408.220384615385
V(Y[t],d=2,D=0)2203.41221113128Range252.6Trim Var.792.238054298643
V(Y[t],d=3,D=0)6409.41994987469Range457.2Trim Var.2288.76851764706
V(Y[t],d=0,D=1)1010.97338983051Range163.7Trim Var.408.220384615385
V(Y[t],d=1,D=1)2203.41221113128Range252.6Trim Var.792.238054298643
V(Y[t],d=2,D=1)6409.41994987469Range457.2Trim Var.2288.76851764706
V(Y[t],d=3,D=1)20935.2594285714Range784Trim Var.8658.5375877551
V(Y[t],d=0,D=2)2203.41221113128Range252.6Trim Var.792.238054298643
V(Y[t],d=1,D=2)6409.41994987469Range457.2Trim Var.2288.76851764706
V(Y[t],d=2,D=2)20935.2594285714Range784Trim Var.8658.5375877551
V(Y[t],d=3,D=2)72493.7723030303Range1477Trim Var.30921.5377210885


Figures (Output of Computation)

Input Parameters & R Code

Parameters (Session):
par1 = 1 ;
Parameters (R input):
par1 = 1 ;
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(x,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')