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bivariate EDA

*The author of this computation has been verified*

R Software Module: rwasp_edabi.wasp (opens new window with default values)

Title produced by software: Bivariate Explorative Data Analysis

Date of computation: Sat, 24 Oct 2009 10:09:54 -0600

Cite this page as follows:

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL http://www.freestatistics.org/blog/date/2009/Oct/24/t1256400656zhumvb89ixpghk7.htm/, Retrieved Sat, 24 Oct 2009 18:10:57 +0200

BibTeX entries for LaTeX users:

@Manual{KEY,
    author = {{YOUR NAME}},
    publisher = {Office for Research Development and Education},
    title = {Statistical Computations at FreeStatistics.org, URL http://www.freestatistics.org/blog/date/2009/Oct/24/t1256400656zhumvb89ixpghk7.htm/},
    year = {2009},
}
@Manual{R,
    title = {R: A Language and Environment for Statistical Computing},
    author = {{R Development Core Team}},
    organization = {R Foundation for Statistical Computing},
    address = {Vienna, Austria},
    year = {2009},
    note = {{ISBN} 3-900051-07-0},
    url = {http://www.R-project.org},
}

Original text written by user:

IsPrivate?

No (this computation is public)

User-defined keywords:

Dataseries X:

» Textbox « » Textfile « » CSV «

216234 213587 209465 204045 200237 203666 241476 260307 243324 244460 233575 237217 235243 230354 227184 221678 217142 219452 256446 265845 248624 241114 229245 231805 219277 219313 212610 214771 211142 211457 240048 240636 230580 208795 197922 194596 194581 185686 178106 172608 167302 168053 202300 202388 182516 173476 166444 171297 169701 164182 161914 159612 151001 158114 186530 187069 174330 169362 166827 178037 186412 189226 191563 188906 186005 195309 223532 226899 214126

Dataseries Y:

» Textbox « » Textfile « » CSV «

562325 560854 555332 543599 536662 542722 593530 610763 612613 611324 594167 595454 590865 589379 584428 573100 567456 569028 620735 628884 628232 612117 595404 597141 593408 590072 579799 574205 572775 572942 619567 625809 619916 587625 565742 557274 560576 548854 531673 525919 511038 498662 555362 564591 541657 527070 509846 514258 516922 507561 492622 490243 469357 477580 528379 533590 517945 506174 501866 516141 528222 532638 536322 536535 523597 536214 586570 596594 580523

Output produced by software:

Summary of computational transaction
Raw Input	view raw input (R code)
Raw Output	view raw output of R engine
Computing time	4 seconds
R Server	'RServer@AstonUniversity' @ vre.aston.ac.uk

Model: Y[t] = c + b X[t] + e[t]
c	279336.839989203
b	1.36384800935964

Descriptive Statistics about e[t]
# observations	69
minimum	-23593.0237615835
Q1	-8355.20659744595
median	-440.912045295731
mean	2.8421709430404e-14
Q3	9150.8411586541
maximum	26103.0860126505

Charts produced by software:

http://www.freestatistics.org/blog/date/2009/Oct/24/t1256400656zhumvb89ixpghk7/112fi1256400587.png (open in new window)

http://www.freestatistics.org/blog/date/2009/Oct/24/t1256400656zhumvb89ixpghk7/112fi1256400587.ps (open in new window)

http://www.freestatistics.org/blog/date/2009/Oct/24/t1256400656zhumvb89ixpghk7/2x2oh1256400587.png (open in new window)

http://www.freestatistics.org/blog/date/2009/Oct/24/t1256400656zhumvb89ixpghk7/2x2oh1256400587.ps (open in new window)

http://www.freestatistics.org/blog/date/2009/Oct/24/t1256400656zhumvb89ixpghk7/3k06v1256400587.png (open in new window)

http://www.freestatistics.org/blog/date/2009/Oct/24/t1256400656zhumvb89ixpghk7/3k06v1256400587.ps (open in new window)

http://www.freestatistics.org/blog/date/2009/Oct/24/t1256400656zhumvb89ixpghk7/4xu821256400587.png (open in new window)

http://www.freestatistics.org/blog/date/2009/Oct/24/t1256400656zhumvb89ixpghk7/4xu821256400587.ps (open in new window)

http://www.freestatistics.org/blog/date/2009/Oct/24/t1256400656zhumvb89ixpghk7/531kz1256400587.png (open in new window)

http://www.freestatistics.org/blog/date/2009/Oct/24/t1256400656zhumvb89ixpghk7/531kz1256400587.ps (open in new window)

http://www.freestatistics.org/blog/date/2009/Oct/24/t1256400656zhumvb89ixpghk7/6d9gk1256400587.png (open in new window)

http://www.freestatistics.org/blog/date/2009/Oct/24/t1256400656zhumvb89ixpghk7/6d9gk1256400587.ps (open in new window)

http://www.freestatistics.org/blog/date/2009/Oct/24/t1256400656zhumvb89ixpghk7/7tzq41256400587.png (open in new window)

http://www.freestatistics.org/blog/date/2009/Oct/24/t1256400656zhumvb89ixpghk7/7tzq41256400587.ps (open in new window)

http://www.freestatistics.org/blog/date/2009/Oct/24/t1256400656zhumvb89ixpghk7/8saov1256400588.png (open in new window)

http://www.freestatistics.org/blog/date/2009/Oct/24/t1256400656zhumvb89ixpghk7/8saov1256400588.ps (open in new window)

Parameters (Session):

par1 = 0 ; par2 = 36 ;

Parameters (R input):

par1 = 0 ; par2 = 36 ;

R code (references can be found in the software module):

par1 <- as.numeric(par1)

par2 <- as.numeric(par2)

x <- as.ts(x)

y <- as.ts(y)

mylm <- lm(y~x)

cbind(mylm$resid)

library(lattice)

bitmap(file='pic1.png')

plot(y,type='l',main='Run Sequence Plot of Y[t]',xlab='time or index',ylab='value')

grid()

dev.off()

bitmap(file='pic1a.png')

plot(x,type='l',main='Run Sequence Plot of X[t]',xlab='time or index',ylab='value')

grid()

dev.off()

bitmap(file='pic1b.png')

plot(x,y,main='Scatter Plot',xlab='X[t]',ylab='Y[t]')

grid()

dev.off()

bitmap(file='pic1c.png')

plot(mylm$resid,type='l',main='Run Sequence Plot of e[t]',xlab='time or index',ylab='value')

grid()

dev.off()

bitmap(file='pic2.png')

hist(mylm$resid,main='Histogram of e[t]')

dev.off()

bitmap(file='pic3.png')

if (par1 > 0)

{

densityplot(~mylm$resid,col='black',main=paste('Density Plot of e[t]   bw = ',par1),bw=par1)

} else {

densityplot(~mylm$resid,col='black',main='Density Plot of e[t]')

}

dev.off()

bitmap(file='pic4.png')

qqnorm(mylm$resid,main='QQ plot of e[t]')

qqline(mylm$resid)

grid()

dev.off()

if (par2 > 0)

{

bitmap(file='pic5.png')

acf(mylm$resid,lag.max=par2,main='Residual Autocorrelation Function')

grid()

dev.off()

}

summary(x)

load(file='createtable')

a<-table.start()

a<-table.row.start(a)

a<-table.element(a,'Model: Y[t] = c + b X[t] + e[t]',2,TRUE)

a<-table.row.end(a)

a<-table.row.start(a)

a<-table.element(a,'c',1,TRUE)

a<-table.element(a,mylm$coeff[[1]])

a<-table.row.end(a)

a<-table.row.start(a)

a<-table.element(a,'b',1,TRUE)

a<-table.element(a,mylm$coeff[[2]])

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,'Descriptive Statistics about e[t]',2,TRUE)

a<-table.row.end(a)

a<-table.row.start(a)

a<-table.element(a,'# observations',header=TRUE)

a<-table.element(a,length(mylm$resid))

a<-table.row.end(a)

a<-table.row.start(a)

a<-table.element(a,'minimum',header=TRUE)

a<-table.element(a,min(mylm$resid))

a<-table.row.end(a)

a<-table.row.start(a)

a<-table.element(a,'Q1',header=TRUE)

a<-table.element(a,quantile(mylm$resid,0.25))

a<-table.row.end(a)

a<-table.row.start(a)

a<-table.element(a,'median',header=TRUE)

a<-table.element(a,median(mylm$resid))

a<-table.row.end(a)

a<-table.row.start(a)

a<-table.element(a,'mean',header=TRUE)

a<-table.element(a,mean(mylm$resid))

a<-table.row.end(a)

a<-table.row.start(a)

a<-table.element(a,'Q3',header=TRUE)

a<-table.element(a,quantile(mylm$resid,0.75))

a<-table.row.end(a)

a<-table.row.start(a)

a<-table.element(a,'maximum',header=TRUE)

a<-table.element(a,max(mylm$resid))

a<-table.row.end(a)

a<-table.end(a)

table.save(a,file='mytable.tab')

This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 License.

Software written by Ed van Stee & Patrick Wessa

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