Re: [R] recode according to specific sequence of characters within a string variable

2011-02-04 Thread Greg Snow
You can do this with regular expressions, since you want to extract specific values from the string I would suggest learning about the gsubfn package, it is a bit easier with gsubfn than with the other matching tools. -- Gregory (Greg) L. Snow Ph.D. Statistical Data Center Intermountain Healt

Re: [R] recode according to specific sequence of characters within a string variable

2011-02-04 Thread Greg Snow
...@imail.org 801.408.8111 > -Original Message- > From: r-help-boun...@r-project.org [mailto:r-help-bounces@r- > project.org] On Behalf Of Denis Kazakiewicz > Sent: Friday, February 04, 2011 6:26 AM > To: Marc Schwartz > Cc: R-help > Subject: Re: [R] recode according to

Re: [R] recode according to specific sequence of characters within a string variable

2011-02-04 Thread David Winsemius
On Feb 4, 2011, at 8:26 AM, Denis Kazakiewicz wrote: Dear R people Could you please help I have similar but opposite question How to reshape data from DF.new to DF from example, Mark kindly provided? Well, I don't think you want a random order, right? If what you are asking is for a singl

Re: [R] recode according to specific sequence of characters within a string variable

2011-02-04 Thread Denis Kazakiewicz
Dear R people Could you please help I have similar but opposite question How to reshape data from DF.new to DF from example, Mark kindly provided? Thank you Denis On Пят, 2011-02-04 at 07:09 -0600, Marc Schwartz wrote: > On Feb 4, 2011, at 6:32 AM, D. Alain wrote: > > > Dear R-List, > > > >

Re: [R] recode according to specific sequence of characters within a string variable

2011-02-04 Thread Marc Schwartz
Do you mean something like: > with(DF.new, paste(person, year, paste("team", team, sep = ""), sep = "_")) [1] "jeff_2001_teamx" "jeff_2002_teamy" "robert_2002_teamz" [4] "mary_2002_teamz" "mary_2003_teamy" ? See ?paste and ?with for more information, if so. HTH, Marc On Feb 4, 2011, a

Re: [R] recode according to specific sequence of characters within a string variable

2011-02-04 Thread Marc Schwartz
On Feb 4, 2011, at 6:32 AM, D. Alain wrote: > Dear R-List, > > I have a dataframe with one column "name.of.report" containing character > values, e.g. > > >> df$name.of.report > > "jeff_2001_teamx" > "teamy_jeff_2002" > "robert_2002_teamz" > "mary_2002_teamz" > "2003_mary_teamy" > ... > (i.