| Variuos EDA topics Q1 Bivariate Density | *Unverified author* | R Software Module: rwasp_bidensity.wasp (opens new window with default values) | Title produced by software: Bivariate Kernel Density Estimation | Date of computation: Sun, 09 Nov 2008 06:17:45 -0700 | | Cite this page as follows: | Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL http://www.freestatistics.org/blog/date/2008/Nov/09/t1226236764u6i30b2hlufev1k.htm/, Retrieved Sun, 09 Nov 2008 13:19:24 +0000 | | 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/2008/Nov/09/t1226236764u6i30b2hlufev1k.htm/},
year = {2008},
}
@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 = {2008},
note = {{ISBN} 3-900051-07-0},
url = {http://www.R-project.org},
}
| | Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data) | | | Feedback Forum: | Post a new message | | Original text written by user: | | | IsPrivate? | No (this computation is public) | | User-defined keywords: | Van Dooren Leen | | Dataseries X: | » Textbox « » Textfile « » CSV « | 11326,32
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8695,79 | | Dataseries Y: | » Textbox « » Textfile « » CSV « | 18810
18890
18370
18405
18350
18360
18445
17520
17760
17980
17380
17280
17650
17875
18010
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17925
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18570
18900
18485 | | Output produced by software: |
Bandwidth | x axis | 255.90475402964 | y axis | 390.661716054239 | Correlation | correlation used in KDE | -0.548493980887453 | correlation(x,y) | -0.548493980887453 |
| Charts produced by software: | | http://127.0.0.1/wessadotnet/public_html/freestatisticsdotorg/blog/date/2008/Nov/09/t1226236764u6i30b2hlufev1k/1tmez1226236661.png (open in new window) | http://127.0.0.1/wessadotnet/public_html/freestatisticsdotorg/blog/date/2008/Nov/09/t1226236764u6i30b2hlufev1k/1tmez1226236661.ps (open in new window) |
| | Parameters (Session): | par1 = 50 ; par2 = 50 ; par3 = 0 ; par4 = 0 ; par5 = 0 ; par6 = Y ; par7 = Y ; | | Parameters (R input): | par1 = 50 ; par2 = 50 ; par3 = 0 ; par4 = 0 ; par5 = 0 ; par6 = Y ; par7 = Y ; | | R code (references can be found in the software module): | par1 <- as(par1,'numeric')
par2 <- as(par2,'numeric')
par3 <- as(par3,'numeric')
par4 <- as(par4,'numeric')
par5 <- as(par5,'numeric')
library('GenKern')
if (par3==0) par3 <- dpik(x)
if (par4==0) par4 <- dpik(y)
if (par5==0) par5 <- cor(x,y)
if (par1 > 500) par1 <- 500
if (par2 > 500) par2 <- 500
bitmap(file='bidensity.png')
op <- KernSur(x,y, xgridsize=par1, ygridsize=par2, correlation=par5, xbandwidth=par3, ybandwidth=par4)
image(op$xords, op$yords, op$zden, col=terrain.colors(100), axes=TRUE,main=main,xlab=xlab,ylab=ylab)
if (par6=='Y') contour(op$xords, op$yords, op$zden, add=TRUE)
if (par7=='Y') points(x,y)
(r<-lm(y ~ x))
abline(r)
box()
dev.off()
load(file='createtable')
a<-table.start()
a<-table.row.start(a)
a<-table.element(a,'Bandwidth',2,TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'x axis',header=TRUE)
a<-table.element(a,par3)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'y axis',header=TRUE)
a<-table.element(a,par4)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Correlation',2,TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'correlation used in KDE',header=TRUE)
a<-table.element(a,par5)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'correlation(x,y)',header=TRUE)
a<-table.element(a,cor(x,y))
a<-table.row.end(a)
a<-table.end(a)
table.save(a,file='mytable.tab')
| |
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