Displaying 20 results from an estimated 291 matches for "fudan".
2008 May 14
2
basename/dirname produce incorrect results
...e following example is half of what is expected.
> g<-"d:\\$BG!2L4^M-CfJ8(B\\$BG!2L4^M-CfJ8(B.txt"
> dirname(g)
[1] "d:/$BG!2L4^(B"
> basename(g)
[1] "$BG!2L4^M-(B"
--
HUANG Ronggui, Wincent http://ronggui.huang.googlepages.com/
Bachelor of Social Work, Fudan University, China
Master of sociology, Fudan University, China
Ph.D. Candidate, CityU of HK.
[[alternative HTML version deleted]]
2008 Jan 21
3
Need suggestions about GUI
...at I want to do is:
1, creat a text box, insert text into that box.
2, select chunk of of the text by mouse, and link it to a lable. so I would
like a way to get that chunk of text.
Can I do such job with tcltk? Any relavant tutorial materials?
Thanks
--
HUANG Ronggui
Bachelor of Social Work, Fudan University, China
Master of sociology, Fudan University, China
Ph.D. Student , CityU of HK,
http://www.cityu.edu.hk/sa/psa_web2006/students/rdegree/huangronggui.html
[[alternative HTML version deleted]]
2008 May 12
1
Insert a recorde into a table using SQL
...(\"%s\")",dd[1,1]))
Error in sqliteExecStatement(con, statement, bind.data) :
RS-DBI driver: (error in statement: unrecognized token: "")")
How can I insert a (key, value) pair into a table by dbGetQuery? Thanks.
--
HUANG Ronggui, Wincent
Bachelor of Social Work, Fudan University, China
Master of sociology, Fudan University, China
Ph.D. Candidate, CityU of HK.
2012 May 09
2
file path
...ers such as ? < >, unacceptable in Windows OS. What I
do at this moment is to strip such characters off with gsub(). Is
there any direct way to make legitimate file path without detailed
knowledge about the naming rule specific to a OS?
Best
--
Wincent Ronggui HUANG
Sociology Department of Fudan University
PhD of City University of Hong Kong
http://homepage.fudan.edu.cn/rghuang/cv/
2004 Sep 21
3
how to take this experiment with R?
How about:
x <- data.frame(matrix(rnorm(1550),c(50,31)))
model <- step(lm(x[,1] ~ as.matrix(x[,2:31])))
--Matt
-----Original Message-----
From: r-help-bounces at stat.math.ethz.ch
[mailto:r-help-bounces at stat.math.ethz.ch]On Behalf Of rongguiwong
Sent: Monday, September 20, 2004 20:52 PM
To: r-help at stat.math.ethz.ch
Subject: [R] how to take this experiment with R?
This message uses
2005 Dec 12
3
question about date's
Hi,
Given a frame with calendar date's:
"2005-07-01", "2005-07-02","2005-07-03","2005-07-04","2005-07-05",etc.
I want to extract the following from these dates:
week number
month number
year number
Any ideas how to accomplish this?
Many thanks.
Regards,
Richard
2008 Feb 20
3
[LLVMdev] llvm-2.2 cannot be successfully built with 'make ENABLE_OPTIMIZED=1'
...pidellsc1420 lib]$ rpm -q libstdc++
libstdc++-4.1.1-52.el5
Well. as libstdc++ is published with gcc. I am wondering which version of
gcc I should use ?
Any suggestion on this problem ? Thanks very much
_______________________________________________
Andrew Wu
Parallel Processing Institute
Fudan University, Shanghai, China
E-mail: wuxi at fudan.edu.cn wu.andrew.xi at gmail.com
_______________________________________________
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2005 Jun 13
5
slow loading with lme4
...i386
os mingw32
system i386, mingw32
status Patched
major 2
minor 1.0
year 2005
month 05
day 29
language R
OS:windows 2000
2005-06-13
------
Deparment of Sociology
Fudan University
Blog:www.sociology.yculblog.com
2008 Jun 07
1
Problem of installing Matrix
...em i386, freebsd7.0
status
major 2
minor 6.1
year 2007
month 11
day 26
svn rev 43537
language R
version.string R version 2.6.1 (2007-11-26)
--
HUANG Ronggui, Wincent http://ronggui.huang.googlepages.com/
Bachelor of Social Work, Fudan University, China
Master of sociology, Fudan University, China
Ph.D. Candidate, CityU of HK.
2006 Jul 02
2
how to recode in my dataset?
...6 20.5
3 2 19.5 21.6
4 3 19.8 25.6
5 4 19.6 22.6
6 1 20.6 21.3
7 1 19.1 23.7
8 4 18.7 21.5
9 3 22.4 24.7
10 2 21.6 24.4
Thanks very much!
--
Kind Regards,
Zhi Jie,Zhang ,PHD
Department of Epidemiology
School of Public Health
Fudan University
Tel:86-21-54237149
2007 May 19
2
What's wrong with my code ?
...t1 bg2cost2 bg2cost3 bg2cost4 bg2cost5 bg2cost6
0.7454829 0.7191459 0.6969019 0.7611750 0.6940870 0.6930580
$value
[1] 0.02167674
$counts
function gradient
21 21
$convergence
[1] 52
$message
[1] "ERROR: ABNORMAL_TERMINATION_IN_LNSRCH"
--
Ronggui Huang
Department of Sociology
Fudan University, Shanghai, China
2006 Apr 14
3
The object argument of NextMethod.
...)
+ {
+ cat("ncls\n")
+ }
>
> foo.cls2=function(x)
+ {
+ cat("cls2\n");print(x)
+ }
>
> a=1;class(a)=c("cls1","cls2")
>
> foo(a)
cls2
[1] 2
attr(,"class")
[1] "ncls"
Thank you very much.
--
??????
Deparment of Sociology
Fudan University
2005 Jul 03
2
demo(scoping)
...500))
Error in ross$withdraw(500) : You don't have that much money!
> version
_
platform i486-pc-linux-gnu
arch i486
os linux-gnu
system i486, linux-gnu
status beta
major 2
minor 1.1
year 2005
month 06
day 13
language R
--
Department of Sociology
Fudan University,Shanghai
Blog:http://sociology.yculblog.com
2006 Jul 03
1
how to get the studentized residuals in lm()
...ve the results: After
i fitted lm(), i use attibutes() to see the objects and didn't find
studentized residuals .
How to get the the studentized residuals in lm(),have i missed something?
thanks very much!
--
Kind Regards,
Zhi Jie,Zhang ,PHD
Department of Epidemiology
School of Public Health
Fudan University
Tel:86-21-54237149
2006 Oct 20
2
how to replace the second "-"
...1-1-1" "1-1-2" "1-2-1"
And I wanna replace the second "-" with "0", that is, I wanna get the result
like: [1] "1-101" "1-102" "1-201".
How should I write the Regular Expressions? Thanks!
--
»ÆÈÙ¹ó
Department of Sociology
Fudan University
[[alternative HTML version deleted]]
2006 Feb 22
2
does multinomial logistic model from multinom (nnet) has logLik?
...is : is logLik meaningful to multinomial logistic model from
multinom?If it does, how can I get it?
Thank you!
ps: I konw VGAM has function to get the multinomial logistic model
with logLik, but I prefer use the function from "official" R
packages .
--
ronggui
Deparment of Sociology
Fudan University
2004 Apr 06
4
how to learn R quickly?
i am new to R,so i post here to ask you how to learn R quickly?
is there some usefull materials about using R.
ps:though the manual is a good materials,but it is not the best for a newbie,i think.
thank you !
2011 Jun 20
2
Error of Cross Validation
...t;-lrm(y~x)
preo<-predict(fito)
pre<-matrix(NA,nrow=100,ncol=200)
for (i in 1:200)
{
sam<-sample(1:nrow(dat))
sam<-split(sam,1:10)
for (j in 1:10)
{
fit<-lrm(y~x,data=dat[-sam[[j]],])
pre[sam[[j]],i]<-predict(fit,data=dat[sam[[j]],])
}
}
*Yao Zhu*
*Department of Urology
Fudan University Shanghai Cancer Center
Shanghai, China*
[[alternative HTML version deleted]]
2005 Oct 15
2
how to import such data to R?
...represent one case,can some variables are numeric and some are character.
I though the scan can read it in ,but it seems somewhat tricky as the mixed type of variables.any suggestions?
the attachmen is the raw data and the description of the data.
2005-10-15
------
Deparment of Sociology
Fudan University
My new mail addres is ronggui.huang at gmail.com
Blog:http://sociology.yculblog.com
2005 Nov 27
2
multilevel models and sample size
...size is quite small,but just now I can't make the sample size much bigger.So I want to ask if I use the multilevel model to analysis the data set,will it be acceptable? or unacceptable because of the small sample size?
Thank you very much!
ronggui
2005-11-28
------
Deparment of Sociology
Fudan University
My new mail addres is ronggui.huang at gmail.com
Blog:http://sociology.yculblog.com