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31 results for “from:Sheng”

Who can tell me some packages for population genetic structure's simulation?
luan_sheng · Jun 1, 2005 · r-help

hi,everyone,I am beginner for R. I want to use R for simulating population genetic structrue of different generations. This thesis include alleles of 1-10 loci. Does a package like this exist? thanks for you. __________________________________________________ ÑÂ...

why is it numeric(0)?
luan_sheng · May 31, 2005 · r-help

hello,everyone. I have one question: example 1 > x=numeric(0) > y=5 > print(x+y) numeric(0) example 2 > x=numeric(1) > y=5 > print(x+y) [1] 5 why the print(x+y) is numeric(0) at the...

ffsave.image() error with large objects
Yue Sheng · Feb 11, 2010 · r-help

So it seems that I've hit the 4GB zipfile limit. However, even if I set compress = FALSE, it still tries to compress, and hence fails. YS On 2/11/10, Yue Sheng <yuesheng8 at gmail.com> wrote: > Hi, I...

how to get this kind of binomial distribution simulation number?
luan_sheng · May 27, 2005 · r-help

hai, I want to perform a simulation like this£º Suppose that I have one population ,it's size is 500, is composed of x,y and z. The probability of x, y and z is respectively is...

What method I should to use for these data?
luan_sheng · Jul 7, 2005 · r-help

Dear R user: I am studying the allele data of two populations. the following is the data: a1 a2 a3 a4 a5 a6 a7 a8 a9 a10 a11 a12 a13 a14 a15 a16 a17 pop1 0.0217 0.0000 0...

What method I should to use for these data?
luan_sheng · Jul 7, 2005 · r-help

Dear R user: I am studying the allele data of two populations. the following is the data: a1 a2 a3 a4 a5 a6 a7 a8 a9 a10 a11 a12 a13 a14 a15 a16 a17 pop1 0.0217 0.0000 0...

combined dependent pvalue
Sheng · Oct 30, 2012 · r-help

Dear All, I am trying to combine dependent p-values in R. May you please help me with this? For independent pvalue combination, one of the popular way is fisher's method which I found the R code here (http...

What method I should to use for these data?
luan_sheng · Jul 7, 2005 · r-help

-----Original Message----- From: luan_sheng [mailto:luan_sheng at yahoo.com.cn] Sent: Thursday, July 07, 2005 9:46 PM To: (r-help at stat.math.ethz.ch) Cc: (R-help at lists.R-project.org) Subject: What method I...

trouble with cumsum?
luan_sheng · May 29, 2005 · r-help

R help document showed us that you should not use "==" for comparing objects, and you will use "all.equal". -----Original Message----- From: r-help-bounces at stat.math.ethz.ch [mailto:r-help-bounces at stat.math.ethz.ch] On...

A problem on sink() and format,suggestions appreciated
luan_sheng · May 31, 2005 · r-help

Yong Wang å†™é“: > Dear R users > I get a weired problem when use sink: > since the data set pretty big, I sink intermediate result for further > use,following > lines are consistently used...

why is it numeric(0)?
luan_sheng · May 31, 2005 · r-help

yea, I have read the help. But some one tell me that i f you want use a vector that you don't know it's length, you should use xx=numric(0) , is it not right? If it isn...

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