Re: [R] Kosaraju's SCC Algorithm Running

! Thanks, Jie On Mon, Nov 7, 2016 at 2:28 AM, Jeff Newmiller wrote: > Please read the Posting Guide mentioned at the bottom of this and every > post, which warns you that homework is off topic on this mailing list. Use > the support provided by your institution of learning (Courser

Re: [R] Hausman Test

Dear Achim, Sorry to have disturbed you. I have encountered a problem when computing Hausman test statistics (i.e. p values) in R to compare OLS and 2SLS models. The problem is a discrepancy between the two p-value outputs from the "manual approach (by hand)" and the " diagnostics argument" i

[R] install ggplot2

files into the folder, however, I still can't get the library work. Please help me and let me know what can I do to fix it. Thanks! Jie DAI [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/m

Re: [R] how to plot the spectrum by log-log axis

I use windlog=log10(windspec) plot(windlog) it seems good but stupid is there any better method ? 2014/1/7 Jie Tang > Futher more > > When I write as below :,the result is still not satisfied . > asp=spectrum(ww_spec) > windspec=data.frame(asp) > plot(windspec,log=&q

Re: [R] how to plot the spectrum by log-log axis

Futher more When I write as below :,the result is still not satisfied . asp=spectrum(ww_spec) windspec=data.frame(asp) plot(windspec,log="dB") 2014/1/7 Jie Tang > hi > I have a wind dataset and I want to analze its spectrum with > the x-axis and y-axis in log .But I foun

[R] how to plot the spectrum by log-log axis

quot;Wind Spectrum(db) ") YY=c(-40,40) spectrum(ww_spec,log = "dB",ylim=YY,main=maininfo,ylab=yylab) -- TANG Jie [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/

[R] what is wrong with for and if cycle in R

ll print 4 but not 2 as what I repect Could anyone tell me what is the matter with R and how to modify it? thank you . -- TANG Jie [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-h

[R] how to analysisi spectrum of a dataset with NA value

hi R users I have a large 1D dataset and some of them is NA value . I found I cound get the spectrum by such a command. ua=c£¨10£¬30 £¬40£¬50£¬NA£© spectrum(ua) and I could not use na.rm just like mean or sd function How could I get the spectrum of ua ? thank you . -- TANG Jie

Re: [R] quote a column of a dataframe by its name

Sorry, this sample code seems to be OK. I will look into my original problem and update it soon. Best wishes, On Fri, Oct 4, 2013 at 12:06 PM, Jie wrote: > Dear All, > > I have a question, suppose X is a dataframe, with column names as > "x1", "x2", "x3&quo

[R] quote a column of a dataframe by its name

Dear All, I have a question, suppose X is a dataframe, with column names as "x1", "x2", "x3", . And I would like to use the i-th column by X[,'xi']. But it seems the single quote and double quote are different. So if I run X[, names(X)[i]], it has some error. Please use the below example code

Re: [R] plot categorical variable with percentage infomation

Hi Jean, I would like to give a histogram for a categorical variable, with x-axis be different levels, and a number of percentage showed on top of each bar. Thanks. Best wishes, Jie On Mon, Aug 26, 2013 at 12:43 PM, Adams, Jean wrote: > Jie, > > I'm not exactly sure what you'

[R] plot categorical variable with percentage infomation

is not 3 categories in this case. Thank you for any suggestion. Best wishes, Jie __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide

[R] graph related question

in another vertical line, finally link the same element by a arrow. Thank you for any advice. Best wishes Jie __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org

[R] recommended linux version for R user

. Best wishes, Jie __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.

[R] p-values from multiple testing

multiplicity. Attached is hist of p-values (does this list allow attachment?). The ks test: One-sample Kolmogorov-Smirnov test D = 0.0493, p-value = 1.388e-06 alternative hypothesis: two-sided Thank you for your attention. Best wishes, Jie <>__ R-

[R] how to resolve the install problem in redhat linux

se Linux Client release 5.3 (Tikanga)" How could I install R? -- TANG Jie Email: totang...@gmail.com Tel: 0086-2154896104 [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-hel

[R] alternative of package parallel for R 3.0

e other packages but which has a similar way to implement it? Thank you. Best wishes, Jie __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html a

[R] how to output the data array without colname and row number

.6 5.1 1.7 6.5 6.2 " NAN" 4.8 2.3 5.6 "8" 5.1 3.9 6.5 5.4 9.8 6.2 7.3 5.6 1.9 1.7 5.9 6.2 " NAN" 7.1 2.3 6.5 "9" 5.1 3.8 7 5.9 9.8 6.2 6.3 6.5 1.9 1.9 5.9 5.8 " NAN" 7.1 -0.4 6.5 "10" 5.3 3.8 7 5.9 9.4 6.1 6.3 6.5 7 1.9 6.4 5.8 &quo

Re: [R] How to get a running mean result by R?

forecast', dependencies = TRUE) > library(forecast) > > ?ma > > > Hope this helps, > > Rui Barradas > > > Em 12-06-2013 08:21, Jie Tang escreveu: > > Hi R users: >>I have a big data and want to calculate the running mean of this data . >>

[R] How to get a running mean result by R?

Hi R users: I have a big data and want to calculate the running mean of this data . How can I get this kind of result ? I have check the command "mean" it seems "mean" could not get the running mean? -- TANG Jie [[alternative

[R] How to read a file including strings and numbers.

4,34.4,8.6,30,14 I want to read them into a array by such command wnd_data<-scan("obs.dat",sep=",",what=list(TIME="",rec=0,U=0,V=0,T=0,WS=0,WD=0,ST=0,TA=0,RH=0),na.strings = "NAN") but R could not excute sucefully and says that : error in sca

[R] Quote as element of a vector/list

Dear All, I would like to store quote as part of an vector. For instance, I would like to get an character object as x = " 12"ab"34 " or y = c("1", "2", """, "a", "b", """, "3&quo

[R] how to plot u-v wind by R?

hi R users: I have a dataset including u wind in x-axis and v wind in y-axis. How can I plot the u,v wind data in vector or barb figure? which command ? thank you . -- TANG Jie [[alternative HTML version deleted]] __ R-help@r

Re: [R] Allocate virtual memory on hard drive

Thank you for your advice. Yes, I was wrong about the size. It seems that gc() does not return the memory to the system, so my R process looks like taking more space than yours. R 3.0.0 solves the issue. Thanks. Best wishes, Jie On Mon, Mar 11, 2013 at 1:05 PM, Prof Brian Ripley wrote: > On

Re: [R] Allocate virtual memory on hard drive

do, not how you want to do it". > > On Mon, Mar 11, 2013 at 11:20 AM, Jie wrote: >> >> Dear All, >> >> I have a long sequence and want to find the quantile, or sort it first. >> It seems sort() or quantile() reaches the memory limit. >> Is there a wa

[R] Allocate virtual memory on hard drive

Dear All, I have a long sequence and want to find the quantile, or sort it first. It seems sort() or quantile() reaches the memory limit. Is there a way to allocate more memoy on SSD for R when startup, so that R can use both RAM and hard drive space? Thank you. Best wishes, Jie

[R] How to obtain the original indices of elements after sorting

which and loop over the vector to do it since for a long vector it is not fast enough. Thank you for your suggestion. Best wishes, Jie __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guid

[R] how to change the plot from X-axis to Y-axis

ify the plot command ? thank you -- TANG Jie __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.

[R] how to give a lengend in symbols functions

t ? thank you . -- TANG Jie Email: totang...@gmail.com Tel: 0086-2154896104 Shanghai Typhoon Institute,China [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read t

Re: [R] hwo to subtract a child array from the big array?

Actually, I find a method. The function reshape" OR array data_5m<-array(data,c(5,length(data)/5)) and data_5m[1,] is what I wanted ,but I donot think it is a good method. 2013/1/14 Jeff Newmiller > ab <- AA[(1:10)*10] -- TANG Jie Email: totang...@gmail.com Tel: 0086-21548

[R] hwo to subtract a child array from the big array?

hi R users I have a data set with the name AA AA<-1:100 Now I want to get a child array from AA every 10 numbers e.g. ab =c(10,20,30,40,50,60,70,80,100) How could I subtract aa from AA? thank you . -- TANG Jie Email: totang...@gmail.com Tel: 0086-2154896104 Shanghai Typhoon Institute,Ch

[R] ctrl+r does not work sometimes

, Jie [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained

[R] efficient way to do 2-level loops

r (j in 1:5) { resu[i,j]=a[i]+b[j] # will be more complicated } } # Do I have to create a list like this i order to use sapply? data=list() for (i in 1:5) { for (j in 1:5) { data[[(i-1)*5+j]]=list(a=a[i],b=b[j]) } } Thank you for your attention. Best wi

[R] use lme4 if given effects' design matrix

try require(MASS) require(lme4) n <- 20 beta <- c( -0.5, 1) psi <- matrix(c(1,0.2,0.2,1),2,2) b <- mvrnorm(n=1, mu=c(0,0), Sigma=psi ) X <- cbind(rep(1,n),1:n) Z <- X Y <- X%*%beta+ Z%*%b+rnorm(n,0,1) ?lmer Thank you. Best wishes, Jie [[alternative

[R] sample from a joint distribution of discrete & continuous variables (survival analysis)

nly for continuous case? Thank you for your time. Best wishes, Jie [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.

[R] sum over extremely small numbers

bit R and exp Is there a way to improve the result? R example: powd <- sample(-2000:0, 100, replace=T) # the power of x [i, j] x <- matrix(exp(powd),10)# the value of x sum(log(rowSums(x))) # sum Thank you for your help. Best wishe

[R] random number generator with SNOW/ Parallel/ foreach

ed as these aspects: how do these generators work with/without seed, what is the relation between these packages, what is the best option of seed if needed. Thank you very much for your help. Best wishes, Jie [[alternative HTML version deleted]] __

Re: [R] AR vs ARMA model

Please find some reference online or textbook. This must be contained in the model assessment part. AIC, BIC, rolling prediction/forecasting error might be what you want. Best wishes, Jie On Fri, Aug 3, 2012 at 4:07 AM, Soham wrote: > Hi I am trying to fit a time series data.It gives a A

Re: [R] more efficient way to parallel

After searching online, I found that clusterCall or foreach might be the solution. Best wishes, Jie On Sun, Aug 5, 2012 at 10:23 PM, Jie wrote: > Dear All, > > Suppose I have a program as below: Outside is a loop for simulation (with > random generated data), inside there are se

Re: [R] Memory limit for Windows 64bit build of R

do some calculation.Definitely will be very slow) I am not sure. Just try to help. Best wishes, Jie On Sun, Aug 5, 2012 at 6:52 PM, wrote: > Dear all > > I have a Windows Server 2008 R2 Enterprise machine, with 64bit R installed > running on 2 x Quad-core Intel Xeon 5500 process

[R] more efficient way to parallel

Dear All, Suppose I have a program as below: Outside is a loop for simulation (with random generated data), inside there are several sapply()'s (10~100) over the data and something else, but these sapply's have to be sequential. And each sapply do not involve very intensive calculation (a few seco

[R] parallel SNOW slower than single core?

Dear All, I am learning parallel in R and start with the package "snow". I did a test about running time and the parallel version is much slower than the regulat code. My laptop is X200s with dual core intel L9400 cpu. Should I make more clusters than 2? Or how to improve the performance? # insta

[R] how to subset the data frame by lines

.But I find that when I use the aa[[1]][1:10] and it seems be mistake. aa[[1]][1:10] [1] 11 1 NA NA NA NA NA NA NA NA But when I just indice one element of the dataframe .e.g.aa[[1]][2] It will be ok. How could I subset the data.frame data by lines? Thank you ? -- TANG Jie Email: totang...@gma

[R] High Dim Gauss Hermite Approximation

e Gauss hermite Version improve much? If I post to a wrong place, please let me know. Thank you. Best wishes, Jie [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read th

[R] about changing order of Choleski factorization and inverse operation of a matrix

)) But when I try it in R, the answer is not as expected. code as below: A <- matrix(1:9,3,3) A <- A + t(A) diag(A) <- 50 print(A) L <- chol(A) B <- t(solve(chol(solve(A print(L) print(B) Thank you in advance, Best wishes, Jie [[alternative HTML version deleted]]

[R] protential rounding error concern

wishes, Jie [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self

Re: [R] use R to read/print the system hardware configuration

Sorry to miss the OS information. I run it on Window 7 32 bit, 64 bit and Unix (version unclear, it is a grid machine.) Best wishes, Jie On Mon, Jul 30, 2012 at 11:39 AM, Prof Brian Ripley wrote: > On 30/07/2012 16:08, Jie wrote: > >> Dear All, >> >> I am curious if t

[R] use R to read/print the system hardware configuration

Dear All, I am curious if there is any why to use R to know the specification of the machine that runs on, i.e. read the cpu model, memory size, those hardware info, maybe even with thesoftware information. Thank you for your attention. Best wishes, Jie [[alternative HTML version

Re: [R] EM for missing data

. And also, Bayesian methods and packages I think exist in R to impute the data. Best wishes, Jie On Mon, Jul 23, 2012 at 11:39 AM, David L Carlson wrote: > This is chopped off. What happens next is important. EM can be used to > compute covariance matrices and conducts the statistical analysis wi

[R] how can I show the xlab and ylab information while using layout

hi R-users: I want to draw three plot into one figure by layout and the script has been shown below. But I find R does not show the xlab and ylab information completely as shown the figure attached. How can I midify the script.? thank you . xxlab<-paste(cpmd," (",ro,"%)",sep=" ") yylab<-pas

[R] is it possible to insert a figure into into another new figure by r script

hi R-users Now I have a figure in emf or png or tiff format that have been drawn by other tool and I want to insert this figure into my new figure by R script. I wonder if is possible ? -- TANG Jie Email: totang...@gmail.com Tel: 0086-2154896104 Shanghai Typhoon Institute,China

Re: [R] EM algorithm to find MLE of coeff in mixed effects model

Seems that I found the problem. The degree of freedom was missing as a denominator... Thank you for your help. Best wishes, Jie On Thu, Jul 5, 2012 at 9:28 AM, John Kane wrote: > I don't believe that R-help permits pdf files. A useful workaround is to > post it to a file hostin

Re: [R] EM algorithm to find MLE of coeff in mixed effects model

Dear Paul, Thank you for your suggestion. I was moved by the fact that people are so nice to help learners and ask for nothing. With your help, I made some changes to my code and add more comments, try to make things more clear. If this R email list allow me to upload a pdf file to illustrate the

[R] need help EM algorithm to find MLE of coeff in mixed effects model

Dear All, have a general question about coefficients estimation of the mixed model. I simulated a very basic model: Y|b=X*\beta+Z*b +\sigma^2* diag(ni); b follows N(0,\psi) #i.e. bivariate normal where b is the latent variable, Z and

[R] how to plot the data in a map?

hi R-users: I have some data related with geographical information. I wonder how to plot some data (in contour,shaded or scatter) on a map. Could anyone tell me which package or reference or examples I can learn ? thank you . -- TANG Jie Email: totang...@gmail.com

[R] how to add the sample number in the hist figure

hi,R-users: Now I plot some data with the name(aveobsdata) in column , How can I add the some number(e,g. the sample number) in each of the column? plot(aveobsdata,type='h',lwd=line_width,col=line_col,main=titleinfo,xlab=xxlab,ylab=yylab,xaxt = "n") axis(1, at = 1:nums, label = name) -- _

[R] how to skip from some null file and go on reading?

hi , I am reading a series of files by the command shown as below. cop_x_data<-read.table(flnm(i) ,skip=2,allowEscapes=TRUE,blank.lines.skip=TRUE) the first two line of the files are headfile and I skip them by skip=2. and sometimes the data file is null and there is no any data in the file except

[R] how to skip out and go on read while the read.table meet with a null file

his situation,my command would be in the error and tell me that there is not data in the file and can not go on. How can I go on read the files even if the file is null? thank you -- TANG Jie __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listi

Re: [R] how to modify the tickment of x-axis

;) > axis(1, at = 1:10, label = paste(1:10, "h", sep = "")) # Happy axis! > par(ask = op$ask) > > The (good) advice to use dput() was to help us help you. Reread what was > said. > > Michael > > On Sat, Mar 17, 2012 at 10:22 AM, Jie Tang wrote: >

[R] Fwd: how to modify the tickment of x-axis

someone has told me that use dput but it seems useless. Can anyone tell me how to use axis or at ?thank you . -- TANG Jie Email: totang...@gmail.com Tel: 0086-2154896104 Shanghai Typhoon Institute,China -- TANG Jie Email: totang...@gmail.com Tel: 0086-2154896104 Shanghai Typ

Re: [R] how to modify the tickment of x-axis

t;> >> op <- par() >> par(ask = TRUE) >> plot(1:10) # Unhappy axis >> >> plot(1:10, xaxt = "n") >> axis(1, at = 1:10, label = paste(1:10, "h", sep = "")) # Happy axis! >> par(ask = op$ask) >> >> The (good) a

Re: [R] how to modify the tickment of x-axis

someone has told me that use dput but it seems useless. Can anyone tell me how to use axis or at ?thank you . -- > TANG Jie > Email: totang...@gmail.com > Tel: 0086-2154896104 > Shanghai Typhoon Institute,China > > > > -- > TANG Jie > Email: totang...@gmail.com > Te

[R] how to call functions with same name but in different package?

hi everyone . I am trying to use some packages but there are some functions have the same name in different package. for example dwt function both in packages wavelets and waveslim dwt(X, filter="la8", n.levels, boundary="periodic") How can I avoid mixing them up ?

[R] can anyone tell me what is the meaning of the x and y axis ?

tell me what is the meaning of the information of x-axis and y-axis . Which one is the space scale ? thank you . -- TANG Jie Email: totang...@gmail.com Tel: 0086-2154896104 Shanghai Typhoon Institute,China <>__ R-help@r-project.org

[R] where I can find more color names or color definition?

hi everyone . Now I want to draw several lines in one frame.And it seems needs more colors except for blue red,black .Where can i found these color name or define some new color ?thank you . -- TANG Jie Email: totang...@gmail.com Tel: 0086-2154896104 Shanghai Typhoon Institute,China

[R] how to modify the tickment of x-axis

hi I plot a series of observation data every minutes in a day as the attachment below plot(wnd,type='l',lty=1,col='red',lwd=1,xlab=xxlab,ylab=yylab,ylim=YY) In the figure, the x-axis tickment is the number of data How can I change it fore example 1h 2h 3h 4h and so on ?

Re: [R] how to read a file containing a series filename

thank you all. it seems what='' can works while what = " " does not .:) thank you all. 2012/3/7 kees duineveld > Hi Jie, > > Are you looking for this construction? > > mydata <- apply(c("H20100902.TXT", "H20100903.TXT" ,"H2010

Re: [R] how to read a file containing a series filename

here is my file.txt that generated by other command "ls " 2012/3/7 Jie Tang > there is something wrong : > > scan(file, what, nmax, sep, dec, quote, skip, nlines, na.strings, : > scan() needs 'a real', but not 'H20100903.TXT' > > 2012/3/7 j

Re: [R] how to read a file containing a series filename

; > > > > files <- scan('file.txt', what = '') # read names from the file > Read 7 items > > files # display the names > [1] "H20100902.TXT" "H20100903.TXT" "H20100904.TXT" "H20100905.TXT" > "H20100906.TX

[R] how to read a file containing a series filename

ld I read these filenames into one array and so that .I can read the data by such a command ? ddata<-scan(pp[2],what=datalist,na.strings = 999) thank you . -- TANG Jie Email: totang...@gmail.com Tel: 0086-2154896104 Shanghai Typhoon Institute,China [[alternative HTML version deleted]]

[R] how to read a freetext line ?

line are different. Can anyone help me ? -- TANG Jie Email: totang...@gmail.com Tel: 0086-2154896104 Shanghai Typhoon Institute,China [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo

[R] Fwd: how can I install the latest version of r in linux?

-- Forwarded message -- From: Jie TANG Date: 2011/10/25 Subject: how can I install the latest version of r in linux? To: r-help@r-project.org HI R-users I downloaded the latest version of R with the name R-latest.tar.gz from the website But when I tar the package and

[R] how can I install the latest version of r in linux?

HI R-users I downloaded the latest version of R with the name R-latest.tar.gz from the website But when I tar the package and configure the package, some error message showed that configure: error: --with-readline=yes (default) and headers/libs are not available and I run make command: error

[R] how to return back to go on my cycle while read my files

les just like the command read(unit,err=linenum) in fortran ? thank you . -- TANG Jie [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide h

[R] two question about plot

to one figure? plot(data[1:5]) boxplot(newdata[,1:5]) ? -- TANG Jie [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/po

[R] how to plot a series of data in a dataframe?

) can only plot one group of data ? -- TANG Jie [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guid

Re: [R] how to get the varifying character with two variables?

nice. thank you all. R is a great tool and R users are also so kind . 2011/9/1 David Winsemius > > On Sep 1, 2011, at 3:45 AM, Jie TANG wrote: > > thank you. it works. >> but further question is that if we can let the " flnm" to be a >> 2-dimension >>

Re: [R] how to get the varifying character with two variables?

uot;) flnm would be a 1-dimension with 15 elements? thankyou 2011/9/1 Jorge I Velez > Hi Jie, > > Try > > c(outer(mtdno, tyno, FUN = paste, "_err.dat", sep = "")) > > HTH, > Jorge > > > On Thu, Sep 1, 2011 at 3:11 AM, Jie TANG <> wrote: >

[R] how to get the varifying character with two variables?

ata1obs4_err.dat" "data2obs5_err.dat" but actually what i want is data from 1 to 3 and obs from 1 to 5. thus ,I can read 15 files but not 5 files how could I do? thanks. -- TANG Jie [[alternative HTML version deleted]]

Re: [R] how to referee a dimension name via a variable?

='') > > plot(test[[newnam[1]]]) > > > On Mon, Aug 29, 2011 at 12:29 PM, Jie TANG wrote: > >> hi, R-users >> I have a data.frame for example test$newdataday24 and test$newdataday48 >> I can plot them by >> plot(test$newdataday24) >> but

[R] how to referee a dimension name via a variable?

t(newnam[1]) but i failed,the error message said that something wrong with plot.window what can i do to fix my script ? thanks - TANG Jie [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman

[R] how to read a group of files into one dataset?

for example : I have files with the name "ma01.dat","ma02.dat","ma03.dat","ma04.dat",I want to read the data in these files into one data.frame flnm<-paste("obs",101:114,"_err.dat",sep="") newdata<-read.table(flnm,skip=2) data<-(flnm,skip=2) but the data only contains data from the flnm[1] I als

Re: [R] how to compare two dataset with same sampling

) .OO#. .OO#. rocks...1k > --- > > Sent from my phone. Please excuse my brevity. > > Jie TANG wrote: > >> hi , >> Now I have two dataset and want to compare them with same sample. >> Dataset A: >> year mon day obs >> 2010 03 1212 &g

[R] how to compare two dataset with same sampling

hi , Now I have two dataset and want to compare them with same sample. Dataset A: year mon day obs 2010 03 1212 2010 03 1822 2010 04 1262 2010 07 24 29 Dataset B: year mon day obs 2010 03 1215 2010 04 1257 2010 07 2432 2010 08

[R] how to analysis a dataset with some missing value?

my qustion is if my miss value in my dataset is - for example : 1 3 21 33 - 23 33 - how can I plot or analysis this dataset ignoring the missing value ? thanks . -- TANG Jie [[alternative HTML version deleted]] __ R-help@r

[R] can i use a variable to describe the dimension name of a data.frame?

for example: a data.frame data V1 V2 V3 1 2 3 4 5 6 If I want to calculate the V2 I can get data$V2 But now I want to calculate the dimension name and then analysis the data. for example No=3*x ;x=1,2,3,...n anadata=data$VNo How could I do? -- TANG Jie

[R] How to draw different series for different groups in xyplot

Hi guys, I got a problem when I was trying to use lattice to do some plot. Below is one working example which can generate one curve for A and one curve for B in each subplot. However, I would like to just show the points for B, not connecting the dots. As for A, I still want a curve (dots are con

[R] how to plot equalprobable error ellipse?

hi,R users, Now I have some scatter figures, is there some method can plot equalprobable error ellipse ? -- TANG Jie Email: totang...@gmail.com Tel: 0086-2154896104 Shanghai Typhoon Institute,China [[alternative HTML version deleted]] __ R

[R] how to learn more from R

hi ,R USERS: I am a new R user. I have study some basic R syntax and get some interesting results. Now I want to know how much R can do .where can i get some examples or demo resource to study advanced function of R ? -- thank your TANG Jie Email: totang...@gmail.com Shanghai Typhoon

[R] How to control in order of groups in xyplot

Hi guys, I used the following R code to generate one plot library(lattice) xyplot(Y~X1|as.factor(X2)*as.factor(X3), groups = as.factor(X4), data=mydata) Both X2 and X3 have three values. X4 has two values. I got 3x3 grids and in each grid there are two curves about y~x1 for the two X4 values. I

Re: [R] How to tell R that "ABC" is the name of a dataset not a variable value

to look in > # If your variables are just in your usual workspace > # it should be .GlobalEnv > alldata <- mget(x = datasetname, envir = .GlobalEnv) > > HTH, > > Josh > > > On Mon, Sep 13, 2010 at 11:40 AM, Jie Li wrote: > > All, > > > > For example, I have

[R] How to tell R that "ABC" is the name of a dataset not a variable value

All, For example, I have a dataset named "ABC" loaded into R > ABC [,1] [,2] [,3] [1,]147 [2,]258 [3,]369 and I also have a variable datasetname > datasetname [1] "ABC" and I want to add this "ABC" dataset to an existing list "alldata" > alldata <-NULL

[R] how to draw the probability ellipse circle figure?

hi ,R user folks . Nowadays I read a paper which draw a probability ellipse circle figure shown in the appendix. I wonder how to draw this figure by R ? the x-axis and y-axis both express the error but in different direction . -- TANG Jie Email: totang...@gmail.com Tel: 0086-2154896104

Re: [R] two questions about PLOT

list ;-). Try searching the help archiwe (www.rseek.org) and you will > find solutions. I would guess that you need to use something like: > > axis(4) > > as the sides of the plot are always numbered from bottom,left,top,right > > HTH > Jannis > Jie TANG schrieb: > >> he

[R] two questions about PLOT

=1,col='black',lwd=4,xlab=xxlab,ylab=yylab) par(new=T) plot(sdgrp,type='l',lty=3,col='red1',xlab=xxlab,ylab=yylab,lwd=4) #axis(2, col = "gold", lty = 2, lwd = 0.5) legend("topright", legend, lty=llty, lwd=llwd,col =lgcol) axis(1,at=1:6,labels=grad

[R] how to run the R script in windows in background mode or script mode?

TANG Jie Email: totang...@gmail.com Tel: 0086-2154896104 Shanghai Typhoon Institute,China [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide

[R] help about cluster package

clustering analysis ?Thank you . -- TANG Jie Email: totang...@gmail.com Tel: 0086-2154896104 [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the postin

[R] how to change the tick character of x-axis ?

s2,Class3 instead of "X5,X12,V3,V4,V5,V6" What can I do to achieve my goal?thanks TANG Jie Email: totang...@gmail.com Tel: 0086-2154896104 Shanghai Typhoon Institute,China <>__ R-help@r-project.org mailing list https://stat.ethz.ch/mailma

[R] how to manipulate this data? Thank you very much!

Hi, R experts: I am asking for helps with manipulating this data: we have different groups: A,B, C, and so on. In each group, we have different students, for example, we have 6 students in A and 5 students in B. Each student gives a rating, which ranges from 1 to 3. We want to manipulate this dat

[R] how to create three new variables? Thanks a lot!

Dear R experts: I have following data structure: student id, exam time and score. I want to create three new columes: 1 st before, 2nd before and 3rd before. For example, for student 1's 4th exam score is assumed to be influenced by his previous three cloest scores, which are 6, 9, and 10 in that

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