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> a <- 0 ; for(i in (1:200000000)) a <- a + 1/i > b <- 0 ; for(i in (200000000:1)) b <- b + 1/i > c <- sum(1/(1:200000000)) > d <- sum(1/(200000000:1)) > order(c(a,b,c,d)) [1] 1 2 4 3 > b<c [1] TRUE > c==d [1] FALSE I'd expected b being the largest, since we sum up the smallest numbers first. Instead, c is the largest, which is

What is the rationale behind having both the delta and sd parameters for the power.t.test function? For the relevant noncentrality parameter, we only need the ratio delta/sd. If my effect size is given as Cohen's d, then I only got that ratio and not sd. As far as I see, in such a case, I can specify delta=d and leave sd at its default value 1. Is this correct or am I missing something?

I wish to save a scatter plot comprising approx. 2 million points in order to include it in a LaTeX document. Using 'pdf(...)' produces a file of size about 20 MB, which is useless. Using 'cairo_pdf(...)' produces a smaller file, around 3 MB. This is still too large. Not only that the document will be too large, but also PDF viewers choke on this. Moreover, Cairo has problems

Hallo, 16.06.06 I'd like to periodicly update metadata using a script that calls http://localhost:port/admin/stats.xsl and specialized URLs. I prefere to use lynx with a command sript to doing this. But using lynx I don't get any conection to my Icecast server, even pages I don't need authentification. Using Firefox connection works

Is this correct behavior? File `foo' gets overwritten with directory `foo', even though --ignore-existing is given. % rsync --version rsync version 3.0.0pre10 protocol version 30.PR17 Copyright (C) 1996-2007 by Andrew Tridgell, Wayne Davison, and others. Web site: http://rsync.samba.org/ Capabilities: 64-bit files, 64-bit inums, 32-bit timestamps, 64-bit long ints,

'rsync -a' updates the ctime on a directory even if no file in that directory has changed. A kind of workaround is to use '-O', but then the mtimes of directories are not preserved. (Usage example where this is important: maintain a copy of filesystem A in filesystem B, and use filesystem B as the source for incremental backups (e.g., with star). rsync is run before an

Is there a way to have the distance between label and axis adjusted automatically? This is interesting in particular for the y-axis, when it is not known in beforehand how many digits the numbers will have. It may happen then, that numbers and label overlap. All examples that I found work by estimating the required distance manually in beforehand and then providing large enough margins, or

Hallo, 06.10.02 I'm using Icecast1 with darkice on the same mashine, starting darkice by cron sending 2 mp3-Streams to the Icecast server and dumping the two mp3 stream and an an other vorbis into files (may later I set up icecast2) in the static dir of the Icecast. Locally connecting to the streams works well even works file streaming of the