similar to: how to subset the data frame by lines

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 ? -- TANG Jie Email: totangjie at gmail.com Tel: 0086-2154896104 Shanghai Typhoon Institute,China

hi ,everyone, I have a script shown as below: > bj2=bjerrdata$tyerr[bjyearnum[2]+1:bjyearnum[3]] > length(bj2) [1] 448 while > b=bjyearnum[3] > a=bjyearnum[2]+1 > bj1=bjerrdata$tyerr[a:b] > length(bj1) [1] 169 it is different with bj2 and bj1 . and the array bjyearnum is [1] 0 279 448 633 1021 1365 1813 2237 2839 3314 3798 4157 12 why bj1 is 169 while bj2 is 448

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: totangjie@gmail.com Tel: 0086-2154896104 Shanghai Typhoon Institute,China [[alternative HTML version deleted]]

Hello ,everyone. I am a fresh user of R. I wrote several several R script in R with the version 2.9.1 in Windows XP. But I only can run these scrpit via R-GUI. Can anyone tell me how to run the scripts in background without openning R-gui.In another word, run the R-script and get the result via some batch proceesing files or shell scripts directly? Thanks. . -- TANG Jie Email:

hi R user mtdno<-paste("data",1:3,sep="") tyno<-paste("obs",1:5,sep="") flnm<-paste(mtdno,tyno,"_err.dat",sep="") flnm is [1] "data1obs1_err.dat" "data2obs2_err.dat" "data3obs3_err.dat" [4] "data1obs4_err.dat" "data2obs5_err.dat" but actually what i want is data from 1 to 3

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: totangjie@gmail.com Tel: 0086-2154896104 Shanghai Typhoon Institute,China [[alternative HTML version deleted]]

hi ,everyone I want subtract some dataset by subset. >From the help running help(subset), ths information is "*subset(airquality, Day == 1, select = -Temp)* " while I running my script written as "*g1data<-subset(errdata, fac>12) *" ,it is wrong with the error information "*subset.default(newerrdata, fac>12),can not find fac*" and g1 in read

Hello,everyone . Now I write some R scripts to calculate some variables and I run them in C shell script command in linux.. Now my some new R scripts had to be moved in someother's computer with windows system. How to run these R scripts easily without installing many soft package? -- TANG Jie Email: totangjie@gmail.com Tel: 0086-2154896104 Shanghai Typhoon Institute,China

hi Rusers I am trying to use symbos in gtools package symbols(data1,data3,circle=data1/data3,inches=0.1,bg="lightgreen") Now I want to give a lengend to tell the reader the meaning or magnitude of these circle. How can I add these information in symbols plot just like legend in plot ? thank you . -- TANG Jie Email: totangjie@gmail.com Tel: 0086-2154896104 Shanghai Typhoon

hi everyone . I have a group of files that needs to be read in . And I put their filename into one file with the name "file.txt" And in the file.txt,the filename are shown as below : H20100902.TXT H20100903.TXT H20100904.TXT H20100905.TXT H20100906.TXT H20100907.TXT H20100908.TXT Now I want to read these file from the file.txt by such codes: filename <-("file.txt") pp

hi everyone, I am wondering if I can inintial all of the varibles and vectors at the begining part of my R script to make clear all the meanning defined in another script runned before It is just similiar with the command " close all " in Matlab or "reinit " in grads.How can I do? thank you.:) -- TANG Jie Email: totangjie@gmail.com Tel: 0086-2154896104 Shanghai Typhoon

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 message says; user@gateway R-2.13.2]$ make make: *** No targets specified and no makefile found.

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: totangjie@gmail.com Shanghai Typhoon Institute,China [[alternative HTML version deleted]]

Hi ,everyone , I draw some boxplot figure with the command "boxplot".But in the figure,there are some bubbles at the top part of the figure. Can anyone tell me what the correct meaning of these bubbles?and how to remove it? -- TANG Jie Email: totangjie@gmail.com Tel: 0086-2154896104 Shanghai Typhoon Institute,China [[alternative HTML version deleted]]

hi everyone . Here I have a text where there are some integer and string variables.But I can not read them by readLines and scan the text is : weight ;30;130 food:2;1;12 color:white;black the first column is the names of the variables and others are the value of them. the column in different line are different. Can anyone help me ? -- TANG Jie Email: totangjie@gmail.com Tel: 0086-2154896104

here ,I want to plot two lines in one figure.But I have two problems 1) how to move one of the y-axis to be the right ? I tried to the command"axis(2)",But I failed. 2) how to add the axis information correctly.Since I have use the cmommand "axis(1,at=1:6,labels=gradeinfo$gradenam)" but it seems that the correct information that I want is superposition with the old axis

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: totangjie@gmail.com Tel: 0086-2154896104 Shanghai Typhoon Institute,China [[alternative HTML version deleted]]

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 ? -- TANG Jie Email: totangjie@gmail.com Tel: 0086-2154896104 Shanghai Typhoon Institute,China

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

1) how to modify the the tickment of x-axis or y-axis. boxplot(data[,1:5]) the tickment in x-axis in V1 V2 V3 V4 V5 ,I want to be some name for example name<-c("1day","2day","3day","4day","5day") 2) how to overlap two plot into one figure? plot(data[1:5]) boxplot(newdata[,1:5]) ? -- TANG Jie [[alternative HTML version deleted]]