search for: 2rd

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2009 Jan 15
5
[PATCH 0/3] ocfs2: Inode Allocation Strategy Improvement.v2
Changelog from V1 to V2: 1. Modify some codes according to Mark's advice. 2. Attach some test statistics in the commit log of patch 3 and in this e-mail also. See below. Hi all, In ocfs2, when we create a fresh file system and create inodes in it, they are contiguous and good for readdir+stat. While if we delete all the inodes and created again, the new inodes will get spread out and that
2013 Jan 23
4
how to read a df like that and transform it?
...163 1 49408 274 4226 1 49406 295 3869 2 49403 49404 287 4113 0 NULL 295 3871 1 49401 292 3895 4 49396 49397 49398 49399 291 3900 3 49392 library (plyr) and library (reshape2) and other good packages are OK for me. Thanks a lot! Yao He ????????????????????????? Master candidate in 2rd year Department of Animal genetics & breeding Room 436,College of Animial Science&Technology, China Agriculture University,Beijing,100193 E-mail: yao.h.1988 at gmail.com ??????????????????????????
2013 Jan 07
2
how to aggregate T-test result in an elegant way?
...esults to an object then dump() them to an text. But I don't know how to append T-test result to the object? I have already plot the barplot and I want to know an elegant way to report raw result. Can anybody give me some pieces of advice? Yao He ????????????????????????? Master candidate in 2rd year Department of Animal genetics & breeding Room 436,College of Animial Science&Technology, China Agriculture University,Beijing,100193 E-mail: yao.h.1988 at gmail.com ??????????????????????????
2012 Dec 16
3
how to handle NA values in aggregate()
...0.3169479 I try this code > aggregate(df[,4:7],df[,1],mean) But I couldn't set the agrument na.rm=T in the mean() function,so the results are all NAs Please tell me how to handle NA values in the use of aggregate() Thanks a lot Yao He ????????????????????????? Master candidate in 2rd year Department of Animal genetics & breeding Room 436,College of Animial Science&Technology, China Agriculture University,Beijing,100193 E-mail: yao.h.1988 at gmail.com ??????????????????????????
2008 Nov 13
2
CROSSTABULATION
...Thus the resulting table shrinks to 3x2. I want it to be 3x3 with zero column corresponding to the missing category. Moreover, I have tried but failed to give the dimension names. -- Sohail Chand PhD Scholar C3b Pope Building School of Mathematical Sciences University of Nottingham Nottingham NG7 2RD UK Lecturer (On Study Leave) Institute of Statistics University of the Punjab Quaid-i-Azam Campus, Lahore (Pakistan) [[alternative HTML version deleted]]
2002 Sep 13
1
Contrasts in ANOVA table
Hello All, Is there a way of producing an ANOVA table split into contrasts, thus showing the contrasts sums of squares and associated p-values? Thanks, Martin. Martin Hoyle, School of Life and Environmental Sciences, University of Nottingham, University Park, Nottingham, NG7 2RD, UK Webpage: http://myprofile.cos.com/martinhoyle -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body&qu...
2005 Apr 13
1
Fluctuating asymmetry and measurement error
Hi all, Has anyone tested for FA in R? I need to seperate out the variance due to measurement error from variation between individuals (following Palmer & Strobeck 1986). Andy Higginson Animal Behaviour and Ecology Research Group School of Biology University of Nottingham NG7 2RD U.K. This message has been checked for viruses but the contents of an attachment may still contain software viruses, which could damage your computer system: you are advised to perform your own checks. Email communications with the University of Nottingham may be monitored as permitted by UK legi...
2013 Mar 06
1
Transpose a big data file and write to a new file
...;-readLines(c,n=1) if (length(line)==0)break #end of file line<-unlist(strsplit(line,"\t")) geno_t<-cbind(geno_t,line) } write.table(geno_t,"xxx.txt") It works but it is too slow ,how to optimize it??? Thank you Yao He ????????????????????????? Master candidate in 2rd year Department of Animal genetics & breeding Room 436,College of Animial Science&Technology, China Agriculture University,Beijing,100193 E-mail: yao.h.1988 at gmail.com ??????????????????????????
2003 Aug 27
2
Basic GLM: residuals definition
...of Annette Dobson's book says that GLM (unstandardised) residuals are calculated by analogy with the Normal case. So where am I going wrong? Thanks for your attention. Martin. Martin Hoyle, School of Life and Environmental Sciences, University of Nottingham, University Park, Nottingham, NG7 2RD, UK Webpage: http://myprofile.cos.com/martinhoyle
2013 Mar 19
2
how to do association study based on mixed linear model
...xed effect estimates As asreml-R is not free ,is there any packages for my study? I heard nlme or lme4 but I'm not sure whether they could incorporate covariates and what about their computational efficiency? Thanks for you recommendation Yao He ????????????????????????? Master candidate in 2rd year Department of Animal genetics & breeding Room 436,College of Animial Science&Technology, China Agriculture University,Beijing,100193 E-mail: yao.h.1988 at gmail.com ??????????????????????????
2002 Apr 15
1
Nested ANOVA with covariates
...lectic + electic:plate + cadmium:elecric+ cadmium:elecric:plate + Error(??????)) I don't really know what to put in the error. Thanks v much for your time. Regards, Martin. Martin Hoyle, School of Life and Environmental Sciences, University of Nottingham, University Park, Nottingham, NG7 2RD, UK -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-help-request at s...
2010 Jan 07
1
Quantreg - 'could not find function"rq"'
...erienced with R so I'm struggling to work out what may be going wrong - does anyone have any suggestions!? Many thanks Lauren --_______________________________________ Lauren Gough - Postgraduate Research Student University of Nottingham, School of Geography, Nottingham, NG7 2RD Tel: +44 (0)115 8467052 Email: lgxlg1@nottingham.ac.uk <mailto:lgxkl2@nottingham.ac.uk> P Consider the environment. Please don't print this e-mail unless you really need to. This message has been checked for viruses but the contents of an attachment may still contain software vi...
2009 Jan 23
1
Interpreting model matrix columns when using contr.sum
...0 10 1 -1 -1 0 1 0 0 0 -1 -1 0 0 11 1 -1 -1 0 0 1 0 0 0 0 -1 -1 12 1 -1 -1 -1 -1 -1 1 1 1 1 1 1 ... I have two questions: (1) I assume the 1st column (under intercept) is the overall mean, the 2rd column (under a1) is the difference between the 1st level of factor a and the overall mean, the 4th column (under b1) is the difference between the 1st level of factor b and the overall mean. Is this interpretation correct? (2) I'm not so sure about those interaction columns. For example, what...
2012 Dec 20
2
how to read different files into different objects in one time?
...e hundreds of read.table(),so how I read it in one time? I think the core problem is that I can't create different objects' name in the use of loop or sapply() ,but there may be a better way to do what I want. Thanks a lot Yao He Yao He -- ????????????????????????? Master candidate in 2rd year Department of Animal genetics & breeding Room 436,College of Animial Science&Technology, China Agriculture University,Beijing,100193 E-mail: yao.h.1988 at gmail.com ??????????????????????????
2003 Apr 08
2
Basic LME
...L") Anova(Model.lme2, Model.lme3) Giving likelihood ratio=0.102, with p=0.749, which is slightly different to the p values of 0.758 above. Thanks for your attention, Martin. Martin Hoyle, School of Life and Environmental Sciences, University of Nottingham, University Park, Nottingham, NG7 2RD, UK Webpage: http://myprofile.cos.com/martinhoyle
2012 Dec 13
2
How to select a subset data to do a barplot in ggplot2
...I try these codes: p<-ggplot(data,aes(x=FID)); p+geom_bar(aes(x=factor(FID),y=..count..,fill=STATUS)) But how could I exclude "nosperm" or other levels just in the use of ggplot2 without generating another dataframe Thanks a lot Yao He ————————————————————————— Master candidate in 2rd year Department of Animal genetics & breeding Room 436,College of Animial Science&Technology, China Agriculture University,Beijing,100193 E-mail: yao.h.1988@gmail.com <mingxie@vt.edu> —————————————————————————— [[alternative HTML version deleted]]
2007 Jan 17
2
Effect size in GLIM models
...need to compare individual factors (say host age) across a range of infections. Any advice will be most gratefully appreciated. I can send you a worked example if you require more information. Jerzy. M. Behnke, The School of Biology, The University of Nottingham, University Park, NOTTINGHAM, NG7 2RD Tel: +0044 (0) 115 951 3208 Fax: +0044 (0) 115 951 3251 http://www.nottingham.ac.uk/biology/contact/academics/behnke/overview.ph tml?P=1&R=1&S=&ID=11&from=iai&m1=&m2= Useful links to field stations: http://www.quintastudies.info/index.htm This message has been checked f...
2002 Oct 31
1
Re: gregmisc version 0.7.3 now available
Dear Greg, Thanks for the new release. The decomposition of the SSQ is just what I need! Regards, Martin. Martin Hoyle, School of Life and Environmental Sciences, University of Nottingham, University Park, Nottingham, NG7 2RD, UK Webpage: http://myprofile.cos.com/martinhoyle >>> gregory_r_warnes at groton.pfizer.com 10/30/02 07:16PM >>> Version 0.7.3 of the gregmisc package is now available on CRAN. A compiled windows package has also been sent to Brian Ripley for inclusion in the windows package d...
2003 Aug 12
1
Negative binomial theta
...t; in library(MASS) to test for a significant difference in the aggregation parameter "theta" between the three levels of a factor. Any help gratefully received! Martin. Martin Hoyle, School of Life and Environmental Sciences, University of Nottingham, University Park, Nottingham, NG7 2RD, UK Webpage: http://myprofile.cos.com/martinhoyle
2003 Aug 15
0
quasipoisson, test="F" or "Chi"
...rsed, use quasipoisson, drop1(model, test="Chi"), 2: If not overdispersed, use (poisson or quasipoisson), drop1(model, test="Chi"). Thanks for your time, Martin. Martin Hoyle, School of Life and Environmental Sciences, University of Nottingham, University Park, Nottingham, NG7 2RD, UK Webpage: http://myprofile.cos.com/martinhoyle