search for: beatson

Displaying 7 results from an estimated 7 matches for "beatson".

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2004 Dec 24
6
Sorting problem
Hi I'm using R 2.0 in SuSE 9.2. When I plot data as a boxplot, the boxes appear on the plot in alphabetical order (of group) rather than the order in which they appear in the data. So far, the only thing I can do to fix this is to prefix the group labels with a,b,c...etc to trick R into plotting them in the right order. Can sorting be turned off? How should I address this sensibly? Thanks
2004 Nov 11
0
ROracle SQL length limitation
...( x=x, label=factor( names(x), names(x)[order(x)] ) ) dotplot( label ~ x, data=dfx ) So I got what I wanted. My question: Is there an easier solution for doing that? Wolfram ------------------------------ Message: 4 Date: Wed, 10 Nov 2004 11:49:27 +0000 From: Paul JH Drake <p.drake at beatson.gla.ac.uk> Subject: [R] Multiple stripcharts using "for loop" To: R-help at stat.math.ethz.ch Message-ID: <1100087367.12807.8.camel at G4.site> Content-Type: text/plain Sorry, I didn't post my system details: SuSE Linux 9.1 R version 2.0.0 P4 Laptop, 512MB RAM THanks for th...
2004 May 07
1
scores from multinomial logistic regression
Dear all, I'm interested in extracting the score from multinomial logistic regression models fit using multinom, to assess the stregth of assocation of the parameter with the response (akin to the score from clogit/cox regression). currently I'm using R 1.8.1. Is there a function that will extract the score from a multinom object or how i can get back to it? or from using glm? I
2005 Mar 09
1
plot(bclust) what is the 2nd plot?
Hi everyone, Currently i'm trying to understand the bagged clustering algorithm, bclust {e1071}. When I run the given example in the help file (as below) data(iris) bc1 <- bclust(iris[,1:4], 3, base.centers=5) plot(bc1) and plot the bclust object, 2 graphs are produced. The first is a dendrogram, but what is the second plot? The axes are not labelled and what do the two
2006 Feb 16
1
brookmeyer & crowley CI for median survival time
Hi all, Does anyone know if there is an implementation of Brookmeyer & Crowley's confidence interval for the median survival time in R? Reference : Brookmeyer & Crowley, "A confidence interval for the median survival time" (1982) Biometircs Thanks in advance for your help, Jacqueline [[alternative HTML version deleted]]
2004 Nov 09
2
Multiple stripcharts using "for loop"
Hi I'm able to create multiple plots from a dataset using a "for loop" to change variables, but when I try with stripchart it doesn't work. Standard boxplot: for(i in 2:14){boxplot(klk[,i]~Group,main=colnames(klk)[i]) Stripchart: for(i in 2:14){stripchart(klk[,i]~Group,main=colnames(klk)[i]) gives:Error in plot.window(xlim, ylim, log, asp, ...) : need finite xlim
2004 May 11
1
stability measures for heirarchical clustering
Dear R users, I'm interested in measuring the stability of a heirarchical clustering, of the overall clustering and finding sub clusters (from cutting the heirarchical clustering at different levels) which demonstrate stability. I saw some postings on the R help from a while back about bootstrapping for clustering (using sample and generating a consesus tree with a web based tool CONSENSE)