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2,483 results for “from:Liaw, Andy”

How do i draw a step function using R?
Liaw, Andy · Jun 2, 2004 · r-help

I believe the posting guide suggests that you not ask the question in the subject... plot(..., type="s") or ?stepfun Andy > From: john miller

sampling from the unoform distrubuton over a convex hull
Liaw, Andy · Mar 24, 2007 · r-help

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Help on averaging sets of rows defined by row name
Liaw, Andy · Apr 20, 2007 · r-help

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anyone know why package "RandomForest" na.roughfix is so slow??
Liaw, Andy · Jul 1, 2010 · r-help

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Laplacian Distribution
Liaw, Andy · Jul 6, 2004 · r-help

How about something like: n <- 100 x <- sign(runif(n) - 0.5) * rexp(n) ?? Andy > From: Yao, Minghua > > All, > > Could anybody please tell me how to generate Laplacian > distributed random numbers? Thanks. > > Minghua

does svm have a CV to obtain the best "cost" parameter?
Liaw, Andy · Mar 1, 2006 · r-help

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does svm have a CV to obtain the best "cost" parameter?
Liaw, Andy · Feb 28, 2006 · r-help

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how to visualize gini coefficient in each node in RF?
Liaw, Andy · Sep 30, 2009 · r-help

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pros and cons of "robust regression"? (i.e. rlm vs lm)
Liaw, Andy · Apr 6, 2006 · r-help

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Good and modern Kernel Regression package in R with auto-bandwidth?
Liaw, Andy · Feb 23, 2012 · r-help

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Good and modern Kernel Regression package in R with auto-bandwidth?
Liaw, Andy · Feb 29, 2012 · r-help

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Good and modern Kernel Regression package in R with auto-bandwidth?
Liaw, Andy · Feb 23, 2012 · r-help

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Is it safe not to coerce matrices with as.double() in .C()?
Liaw, Andy · Aug 27, 2010 · r-devel

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It was a sad day for the Statistics profession
Liaw, Andy · Jul 8, 2005 · r-help

For those of you who have not heard: Prof. Breiman passed away on July 5th. http://www.berkeley.edu/news/media/releases/2005/07/07_breiman.shtml Andy

Bootstrap error message: Error in statistic(data, origina l, ...) : unused argument(s) ( ...) [Broadcast]
Liaw, Andy · Apr 20, 2006 · r-help

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explanation why RandomForest don't require a transformations (e.g. logarithmic) of variables
Liaw, Andy · Dec 5, 2011 · r-help

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how to use the basis matrix of "ns" in R? really confused by multi-dim spline filtering?
Liaw, Andy · Feb 27, 2006 · r-help

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small typo in ?attributes
Liaw, Andy · Aug 19, 2004 · r-devel

I believe in the `Description' section of ?attributes, `above' should be `below'. Best, Andy Andy Liaw, PhD Biometrics Research PO Box 2000, RY33-300 Merck Research Labs Rahway, NJ 07065 mailto:andy_liaw@merck.com 732-594-0820

removing invariant columns from a matrix
Liaw, Andy · Aug 28, 2004 · r-help

Something like: keep <- apply(myData, 2, function(x) diff(range(x)) > 0) newData <- myData[, keep] Andy > From: Moises Hassan > > I'm looking for an efficient way of removing zero-variance > columns from > a large matrix. > > Any suggestions? > > Thanks, > > - Moises >

GRAPH
Liaw, Andy · Jan 28, 2004 · r-help

If you want to overlay contour on an existing plot, use the add=TRUE option in contour(). HTH, Andy > From: Marcos > > How do to make a plot() and contour() in the same Graph sheet? > > Marcos ------------------------------------------------------------------------------ Notice: This e-mail message...

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