similar to: how to skip out and go on read while the read.table meet with a null file

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 for the head information. At this situation,my command would be in the error and tell me that

hi ,when i read a lots of files for (i in 1:totnum) { cop_x_data<-read.table(flnm[i],skip=2) if(i==1) {cop_data=cop_x_data} else {cop_data=rbind(cop_data,cop_x_data)} } some of the files are missing . so this loop can not go on .I wonder how can I go on the loop cycle while reading the files just like the command read(unit,err=linenum) in fortran ? thank you . -- TANG Jie [[alternative

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

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 also tried as below : for

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 ,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 ,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 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]]

I defined a data.frame by a two-dimensional array. > aa = data.frame(rbind( 11:20, 1:10)) > aa X1 X2 X3 X4 X5 X6 X7 X8 X9 X10 1 11 12 13 14 15 16 17 18 19 20 2 1 2 3 4 5 6 7 8 9 10 Now I want to use the data in the second line of aa which from 1 to 10 to output.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

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

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]]

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 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: totangjie@gmail.com [[alternative HTML version deleted]]

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 i have a dataframe with the name "obsdata" V1 V2 V3 V4 V5 V6 V7 V8 V9 V10 V11 V12 V13 1 1001 3 24 12 24.7 44.4 70.1 49.3 33.7 3.0 6.8 2.7 NA 2 1001 3 25 0 70.1 49.3 33.7 138.2 152.5 NA 4.2 6.9 17.5 3 1001 3 25 12 33.7 187.7 286.5 386.7 NA 16.2 46.0 48.8 43.1 4 1001 3 26 0 88.6 129.4 NA NA

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