Re: [R] about file name
Hello, Just use ?sub. x <- "35.84375_.100.71875" y <- sub("_\\.", "_-", x) Hope this helps, Rui Barradas Citando lily li: > Thanks, but how to get the string like this: > "35.84375_-100.71875" use the minus sign instead of dot. > > On Thu, Jul 28, 2016 at 2:38 PM, jim holtman wrote: >> just strip off the first character: >> >> a >> [1] "X35.84375_.100.71875" >> a.new <- sub("^.", '', a) >> a.new >> [1] "35.84375_.100.71875" >> >> Jim Holtman >> Data Munger Guru >> >> What is the problem that you are trying to solve? >> Tell me what you want to do, not how you want to do it. >> >> On Thu, Jul 28, 2016 at 3:51 PM, lily li wrote: >>> Hi R users, >>> >>> I have a string for example 'X35.84375_.100.71875', and I have another >>> dataframe df that I want to export with the transformed string name >>> '35.84375_-100.71875' with no extension. How to do this in R? Thanks for >>> your help. >>> >>> a = 'X35.84375_.100.71875' >>> write.table(df, file='', row.names=F, col.names=F) >>> >>> [[alternative HTML version deleted]] >>> >>> __ >>> R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see >>> 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. > > [[alternative HTML version deleted]] > > __ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.htmland provide commented, > minimal, self-contained, reproducible code. [[alternative HTML version deleted]] __ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.
Re: [R] about file name
add another step: (need to learn about regular expressions) > a [1] "X35.84375_.100.71875" > a.new <- sub("^.", '', a) > a.new [1] "35.84375_.100.71875" > sub("_.", "_-", a.new) [1] "35.84375_-100.71875" > Jim Holtman Data Munger Guru What is the problem that you are trying to solve? Tell me what you want to do, not how you want to do it. On Thu, Jul 28, 2016 at 4:39 PM, lily liwrote: > Thanks, but how to get the string like this: > "35.84375_-100.71875" use the minus sign instead of dot. > > On Thu, Jul 28, 2016 at 2:38 PM, jim holtman wrote: > >> just strip off the first character: >> >> > a >> [1] "X35.84375_.100.71875" >> > a.new <- sub("^.", '', a) >> > a.new >> [1] "35.84375_.100.71875" >> > >> >> >> Jim Holtman >> Data Munger Guru >> >> What is the problem that you are trying to solve? >> Tell me what you want to do, not how you want to do it. >> >> On Thu, Jul 28, 2016 at 3:51 PM, lily li wrote: >> >>> Hi R users, >>> >>> I have a string for example 'X35.84375_.100.71875', and I have another >>> dataframe df that I want to export with the transformed string name >>> '35.84375_-100.71875' with no extension. How to do this in R? Thanks for >>> your help. >>> >>> a = 'X35.84375_.100.71875' >>> write.table(df, file='', row.names=F, col.names=F) >>> >>> [[alternative HTML version deleted]] >>> >>> __ >>> R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see >>> 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. >>> >> >> > [[alternative HTML version deleted]] __ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.
Re: [R] about file name
Thanks, but how to get the string like this: "35.84375_-100.71875" use the minus sign instead of dot. On Thu, Jul 28, 2016 at 2:38 PM, jim holtmanwrote: > just strip off the first character: > > > a > [1] "X35.84375_.100.71875" > > a.new <- sub("^.", '', a) > > a.new > [1] "35.84375_.100.71875" > > > > > Jim Holtman > Data Munger Guru > > What is the problem that you are trying to solve? > Tell me what you want to do, not how you want to do it. > > On Thu, Jul 28, 2016 at 3:51 PM, lily li wrote: > >> Hi R users, >> >> I have a string for example 'X35.84375_.100.71875', and I have another >> dataframe df that I want to export with the transformed string name >> '35.84375_-100.71875' with no extension. How to do this in R? Thanks for >> your help. >> >> a = 'X35.84375_.100.71875' >> write.table(df, file='', row.names=F, col.names=F) >> >> [[alternative HTML version deleted]] >> >> __ >> R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see >> 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. >> > > [[alternative HTML version deleted]] __ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.
Re: [R] about file name
just strip off the first character: > a [1] "X35.84375_.100.71875" > a.new <- sub("^.", '', a) > a.new [1] "35.84375_.100.71875" > Jim Holtman Data Munger Guru What is the problem that you are trying to solve? Tell me what you want to do, not how you want to do it. On Thu, Jul 28, 2016 at 3:51 PM, lily liwrote: > Hi R users, > > I have a string for example 'X35.84375_.100.71875', and I have another > dataframe df that I want to export with the transformed string name > '35.84375_-100.71875' with no extension. How to do this in R? Thanks for > your help. > > a = 'X35.84375_.100.71875' > write.table(df, file='', row.names=F, col.names=F) > > [[alternative HTML version deleted]] > > __ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > 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. > [[alternative HTML version deleted]] __ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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] about file name
Hi R users, I have a string for example 'X35.84375_.100.71875', and I have another dataframe df that I want to export with the transformed string name '35.84375_-100.71875' with no extension. How to do this in R? Thanks for your help. a = 'X35.84375_.100.71875' write.table(df, file='', row.names=F, col.names=F) [[alternative HTML version deleted]] __ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.