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Course in STATISTICAL PRACTICE IN EPIDEMIOLOGY USING R ==================================================== Tartu, Estonia, 29 May - 4 June 2004. Aimed at young statisticians and epidemiologists wishing to broaden their epidemiological skills, in particular with respect to practical statistical analysis. Participants will gain access to...
In version 2.8.1, running Rcmd check on the package foo would leave the file foo-manual.tex in the folder foo.Rcheck. But as of 2.9.0 only foo-manual.pdf and foo-manual.log are there...
A new major upgrade of the Epi package for Epidemiological data analysis has been put on CRAN, it is now at version 1.0.7. It contains an entirely new way of representing follow-up data on multiple timescales and...
There is now an Epi-package on CRAN. It is intended for epidemiological analysis in R. It has its own homepage, http://www.pubhealth.ku.dk/~bxc/Epi The package has been used at the course "Statistical practise in Epidemiology...
Is there a way to tell the extents of e.g. "Some text" on a plot, i.e. how wide and how high is it in usr coordinates (with a given pointsize, font and cex=) ?? Or, (that is why I...
Suppose you run the program x.R by rterm < x.R > x.Rl Is there a way from within x.R to access the full path name of the file x.R? The purpose is of course to write a...
Sometimes when I write a function, I would like be able to have two or more names for an argument (you can never remember whether it is called "breaks", "Brk", "cuts" or "Cut".) Is there a smart way of doing...
I had some trouble getting some text in the right place on a plot with logartimic y-axis, until I discovered: > plot(NA, xlim=1:2, ylim=c(5,500), log="y") > par()$usr [1] 0.96000 2.04000 0...
A new major upgrade of the Epi package for Epidemiological data analysis has been put on CRAN, it is now at version 1.0.7. It contains an entirely new way of representing follow-up data on multiple timescales and...
I was a bit puzzed by: > formatC(6.65,format="f",digits=1) [1] "6.6" So I experimented and found: > formatC(6.6500000000000001,format="f",digits=1) [1] "6.6" > formatC(6.650000000000001,format="f",digits=1) [1] "6...
I am not sure what you mean but you might be interested in the functions row() and col(). Bendix Carstensen ---------------------- Bendix Carstensen Senior Statistician Steno Diabetes Center Niels Steensens Vej 2 DK-2820 Gentofte Denmark tel: +45 44 43 87...
t( my.table ) ---------------------- Bendix Carstensen Senior Statistician Steno Diabetes Center Niels Steensens Vej 2 DK-2820 Gentofte Denmark tel: +45 44 43 87 38 mob: +45 30 75 87 38 fax: +45 44 43 07 06 bxc at steno.dk...
> -----Original Message----- > From: srinivasa raghavan [mailto:sristatistician at yahoo.com] > Sent: 27. august 2001 08:26 > To: r-help at stat.math.ethz.ch > Subject: [R] Importing file from Excel > > > Hi, > > I have a basic import problem. I tried to...
For exact contol of height and width, you may want to have a look at: ?win.metafile Bendix Carstensen ---------------------- Bendix Carstensen Senior Statistician Steno Diabetes Center Niels Steensens Vej 2 DK-2820 Gentofte Denmark tel: +45 44 43 87 38...
tapply( x, f, mean ) maybe with tapply( x, f, mean, na.rm=T ) ---------------------- Bendix Carstensen Senior Statistician Steno Diabetes Center Niels Steensens Vej 2 DK-2820 Gentofte Denmark tel: +45 44 43 87 38 mob: +45 30 75 87 38...
STATISTICAL PRACTICE IN EPIDEMIOLOGY USING R ============================================ Tartu, Estonia, Thursday 8 - Tuesday 13 June 2006 Application deadline: 15 April 2006. The course is aimed at epidemiologists and statisticians who wish to use R for statistical modelling and analysis of epidemiological data...
When I do: > apc <- glm( D ~ ns( Ax, knots=seq(50,80,10), Bo=c(40,90) ) + + ns( Cx, knots=seq(1880,1940,20), Bo=c(1840,1960) ) + + ns( Px, knots=seq(1960,1980,10), Bo=c(1940,2000) ) + + offset...
Consider the following two specifications of a model: library( splines ) x <- 1:100 y <- rnorm( 100 ) w <- rep( 1, 100 ) A <- factor( sample( 1:2, 100, replace=T ) ) B <- factor( sample( letters[1:4], 100, replace=T ) ) summary( lm( y...
The sensitivity, specificity and predictive values are just proportions, so yoiu can use the function binom.test() to get exact confidence confidence intervals. Best, Bendix > -----Original Message----- > From: r-sig-epi-bounces at stat.math.ethz.ch > [mailto:r-sig...
I guess what you want is: a <- abs(a) floor( a / 10^floor( log10( a ) ) ) Bendix ---------------------- Bendix Carstensen Senior Statistician Steno Diabetes Center Niels Steensens Vej 2 DK-2820 Gentofte Denmark tel: +45 44 43 87 38 mob: +45 30...
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