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6 results for “from:Richard Pugh”

Windows Memory Issues
Richard Pugh · Dec 6, 2003 · r-help

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R Tshirts, mugs etc ....
Richard Pugh · May 28, 2004 · r-help

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S & R Public Training Courses in the UK
Richard Pugh · Jul 30, 2003 · r-help

(Sorry - my poor attempts at formatting made that last email illegible! Here's a version that makes more sense ...) Mango Solutions are pleased to announce the following public courses in the UK. Course Advanced S-PLUS Programming Date 29th - 31st...

Simulation help
Richard Pugh · Feb 22, 2004 · r-help

Try this ... poisNums <- rpois(100000, 3) # Calculate 100,000 poissons (mean 3) normNums <- sapply(poisNums, rnorm, mean=3) # Calculate N random normals # for each simulated poisson. Normal distribution is mean 3, sd 1 sumNums <- sapply(normNums, sum) mySeq <- seq(0...

Simulation help
Richard Pugh · Feb 22, 2004 · r-help

Sorry - looks like the text wrapped when I sent this ... am resending with better format, so you can read the code! # This bit does the work ... > poisNums <- rpois(100000, 3) > normNums <- sapply(poisNums, rnorm, mean=3) > sumNums <- sapply(normNums, sum...

How can I do this better? (Filling in last tradedprice for NA)
Richard Pugh · Sep 13, 2004 · r-sig-finance

Here's a function that does what you want . haven't look at it for a while so it may need work. Should be pretty fast, since it just uses position-based referencing (ie. no cumsums etc). retain <- function(vec...

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