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Description of Statistical Computation

Author's title

Blocked bootstrap plot - Buitenlandse handel van België - Marilyn Vandeputt...

Author*Unverified author*
R Software Modulerwasp_bootstrapplot.wasp
Title produced by softwareBlocked Bootstrap Plot - Central Tendency
Date of computationFri, 12 Apr 2013 08:16:07 -0400
Cite this page as followsStatistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?v=date/2013/Apr/12/t1365769101qv5dszc07m4k0tq.htm/, Retrieved Sat, 04 May 2024 07:08:22 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=208020, Retrieved Sat, 04 May 2024 07:08:22 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact171

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-     [Harrell-Davis Quantiles] [] [2013-02-27 17:18:27] [0a0b9be5aba9ab40348e88c5d8957fc2]
- R PD  [Harrell-Davis Quantiles] [Deciel Buitenland...] [2013-03-03 16:38:13] [0a0b9be5aba9ab40348e88c5d8957fc2]
- RMPD    [Bootstrap Plot - Central Tendency] [Bootsrap plot max...] [2013-04-12 11:59:16] [0a0b9be5aba9ab40348e88c5d8957fc2]
- RMPD        [Blocked Bootstrap Plot - Central Tendency] [Blocked bootstrap...] [2013-04-12 12:16:07] [aebd7ed62a520371cf0fbdf4b97f0dea] [Current]
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Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
122,27
124,69
147,56
120,03
136,01
138,16
122,87
112,22
137,35
139,08
139,64
121,12
132,37
130,69
149,41
130,72
139,14
146,55
137,35
122,73
138,97
154,73
143,4
123,88
140,25
142,39
143,81
153,58
144,71
153,84
151,3
121,92
153,05
149,29
118,81
109,19
103,68
106,94
114,43
107,87
103,14
117,02
112,44
95,85
123,86
121,83
121,95
120,34
113,32
117,31
141,69
130,35
127,28
148,1
131,21
120,37
146,91
144,04
141,77
132,15
142,04
149,77
172,31
150,24
163,23
155,92
146,96
134,51
152,83
150,54
150,98
138,82

Tables (Output of Computation)





Summary of computational transaction
Raw Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time5 seconds
R Server'George Udny Yule' @ yule.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 & 5 seconds \tabularnewline
R Server & 'George Udny Yule' @ yule.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=208020&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]5 seconds[/C][/ROW]
[ROW][C]R Server[/C][C]'George Udny Yule' @ yule.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=208020&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=208020&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 time5 seconds
R Server'George Udny Yule' @ yule.wessa.net






Estimation Results of Blocked Bootstrap
statisticQ1EstimateQ3S.D.IQR
mean129.355520833333133.959444444444136.7857291666674.441615540793837.43020833333333
median130.69137.35138.9656.397531083893838.27499999999998
midrange130.52375134.08134.084.894700607883623.55624999999998

\begin{tabular}{lllllllll}
\hline
Estimation Results of Blocked Bootstrap \tabularnewline
statistic & Q1 & Estimate & Q3 & S.D. & IQR \tabularnewline
mean & 129.355520833333 & 133.959444444444 & 136.785729166667 & 4.44161554079383 & 7.43020833333333 \tabularnewline
median & 130.69 & 137.35 & 138.965 & 6.39753108389383 & 8.27499999999998 \tabularnewline
midrange & 130.52375 & 134.08 & 134.08 & 4.89470060788362 & 3.55624999999998 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=208020&T=1

[TABLE]
[ROW][C]Estimation Results of Blocked Bootstrap[/C][/ROW]
[ROW][C]statistic[/C][C]Q1[/C][C]Estimate[/C][C]Q3[/C][C]S.D.[/C][C]IQR[/C][/ROW]
[ROW][C]mean[/C][C]129.355520833333[/C][C]133.959444444444[/C][C]136.785729166667[/C][C]4.44161554079383[/C][C]7.43020833333333[/C][/ROW]
[ROW][C]median[/C][C]130.69[/C][C]137.35[/C][C]138.965[/C][C]6.39753108389383[/C][C]8.27499999999998[/C][/ROW]
[ROW][C]midrange[/C][C]130.52375[/C][C]134.08[/C][C]134.08[/C][C]4.89470060788362[/C][C]3.55624999999998[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=208020&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=208020&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:

Estimation Results of Blocked Bootstrap
statisticQ1EstimateQ3S.D.IQR
mean129.355520833333133.959444444444136.7857291666674.441615540793837.43020833333333
median130.69137.35138.9656.397531083893838.27499999999998
midrange130.52375134.08134.084.894700607883623.55624999999998


Figures (Output of Computation)

Input Parameters & R Code

Parameters (Session):
par1 = 50 ; par2 = 12 ;
Parameters (R input):
par1 = 50 ; par2 = 12 ;
R code (references can be found in the software module):
par1 <- as.numeric(par1)
par2 <- as.numeric(par2)
if (par1 < 10) par1 = 10
if (par1 > 5000) par1 = 5000
if (par2 < 3) par2 = 3
if (par2 > length(x)) par2 = length(x)
library(lattice)
library(boot)
boot.stat <- function(s)
{
s.mean <- mean(s)
s.median <- median(s)
s.midrange <- (max(s) + min(s)) / 2
c(s.mean, s.median, s.midrange)
}
(r <- tsboot(x, boot.stat, R=par1, l=12, sim='fixed'))
bitmap(file='plot1.png')
plot(r$t[,1],type='p',ylab='simulated values',main='Simulation of Mean')
grid()
dev.off()
bitmap(file='plot2.png')
plot(r$t[,2],type='p',ylab='simulated values',main='Simulation of Median')
grid()
dev.off()
bitmap(file='plot3.png')
plot(r$t[,3],type='p',ylab='simulated values',main='Simulation of Midrange')
grid()
dev.off()
bitmap(file='plot4.png')
densityplot(~r$t[,1],col='black',main='Density Plot',xlab='mean')
dev.off()
bitmap(file='plot5.png')
densityplot(~r$t[,2],col='black',main='Density Plot',xlab='median')
dev.off()
bitmap(file='plot6.png')
densityplot(~r$t[,3],col='black',main='Density Plot',xlab='midrange')
dev.off()
z <- data.frame(cbind(r$t[,1],r$t[,2],r$t[,3]))
colnames(z) <- list('mean','median','midrange')
bitmap(file='plot7.png')
boxplot(z,notch=TRUE,ylab='simulated values',main='Bootstrap Simulation - Central Tendency')
grid()
dev.off()
load(file='createtable')
a<-table.start()
a<-table.row.start(a)
a<-table.element(a,'Estimation Results of Blocked Bootstrap',6,TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'statistic',header=TRUE)
a<-table.element(a,'Q1',header=TRUE)
a<-table.element(a,'Estimate',header=TRUE)
a<-table.element(a,'Q3',header=TRUE)
a<-table.element(a,'S.D.',header=TRUE)
a<-table.element(a,'IQR',header=TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'mean',header=TRUE)
q1 <- quantile(r$t[,1],0.25)[[1]]
q3 <- quantile(r$t[,1],0.75)[[1]]
a<-table.element(a,q1)
a<-table.element(a,r$t0[1])
a<-table.element(a,q3)
a<-table.element(a,sqrt(var(r$t[,1])))
a<-table.element(a,q3-q1)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'median',header=TRUE)
q1 <- quantile(r$t[,2],0.25)[[1]]
q3 <- quantile(r$t[,2],0.75)[[1]]
a<-table.element(a,q1)
a<-table.element(a,r$t0[2])
a<-table.element(a,q3)
a<-table.element(a,sqrt(var(r$t[,2])))
a<-table.element(a,q3-q1)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'midrange',header=TRUE)
q1 <- quantile(r$t[,3],0.25)[[1]]
q3 <- quantile(r$t[,3],0.75)[[1]]
a<-table.element(a,q1)
a<-table.element(a,r$t0[3])
a<-table.element(a,q3)
a<-table.element(a,sqrt(var(r$t[,3])))
a<-table.element(a,q3-q1)
a<-table.row.end(a)
a<-table.end(a)
table.save(a,file='mytable.tab')