instrument.input[,6] appears to be a vector of factors. You are putting the underlying factor number into data. Assuming instrument.input[,6] is supposed to be numeric you will need to convert from factor.
See the FAQ Part 7 R Miscellanea > How do I convert factors to numeric? for that. --- On Fri, 7/3/09, Kurt Smith <kurt.sm...@hotmail.co.uk> wrote: > From: Kurt Smith <kurt.sm...@hotmail.co.uk> > Subject: Re: [R] Remove all spaces from a string so it can be used by assign() > To: romain.franc...@dbmail.com > Cc: r-help@r-project.org > Received: Friday, July 3, 2009, 8:34 AM > > Thanks for the help, I really appreciate it. > > However, I have one more small issue and I don't really > want to post a second message in such a short space of time, > so I will put it up here if someone is willing to help. > > Basically I need to transfer two vectors into a > data.frame/matrix (with a unique name, as already discussed > above). However, the numbers that enter into the data.frame > do not match the numbers that I supposedly entered from the > vector. Example. > > > instrument.input[3,6] > [1] 769873.58 > 43 Levels: 10840277.06 109014288.37 11055630.67 11456522.47 > ... CPS > > data <- instrument.input[3,6] > > data > [1] 769873.58 > 43 Levels: 10840277.06 109014288.37 11055630.67 11456522.47 > ... CPS > > Works fine if I put it as a sole varible.. however if I try > adding it to a data.frame/matrix > > > temp.data1[1,1] <- instrument.input[3,6] > > temp.data1[1,1] > CPS > 31 > > The incorrect number is given, if I've understood this > properly I should be recalling 769873. > > Any suggestions or thoughts? > > > Cheers > > Kurt > > > > > Date: Fri, 3 Jul 2009 14:22:00 +0200 > > From: romain.franc...@dbmail.com > > To: kurt.sm...@hotmail.co.uk > > CC: R-help@r-project.org > > Subject: Re: [R] Remove all spaces from a string so it > can be used by assign() > > > > On 07/03/2009 02:13 PM, Kurt Smith wrote: > > > Are you sure it would work? > > > > > > It works when I physically enter "56 Fe [1]" but > fails when I try to > > > enter that anything other then directly. > > > > > >> instrument.input[1,6] > > > [1] 56 Fe [ 1 ] > > > 43 Levels: 10840277.06 109014288.37 11055630.67 > 11456522.47 ... CPS > > >> assign(instrument.input[1,6], > temp.data) > > > Error in assign(instrument.input[1, 6], > temp.data) : > > > invalid first argument > > > > that is because instrument.input[1,6] is a factor. You > would need > > something like this untested call : > > > > R> assign( as.character( instrument.input[1,6] ), > temp.data ) > > > > Whether all of this is a good idea is up to you > > > > >> temp.name<- instrument.input[1,6] > > >> temp.name > > > [1] 56 Fe [ 1 ] > > > 43 Levels: 10840277.06 109014288.37 11055630.67 > 11456522.47 ... CPS > > >> assign(temp.name, temp.data) > > > Error in assign(temp.name, temp.data) : invalid > first argument > > > > > > and it seems that it is because the varible > begins with an integer R doesn't like it. > > > Would it be possible to use gsub to create > Fe561? > > > > sure. > > > > R> gsub( "[^[:alnum:]]", "", gsub( > "([[:digit:]]+)(.*)", "\\2\\1", "56 > > Fe [1]" ) ) > > [1] "Fe156" > > > > others probably have a one call solution > > > > >> R> gsub( "[^[:alnum:]]", "", > "56 Fe [1]" ) > > >> [1] "56Fe1" > > > > > > > > > > > > > Date: Fri, 3 Jul 2009 13:09:20 +0200 > > > > From: romain.franc...@dbmail.com > > > > To: kurt.sm...@hotmail.co.uk > > > > CC: r-help@r-project.org > > > > Subject: Re: [R] Remove all spaces > from a string so it can be used by > > > assign() > > > > > > > > On 07/03/2009 12:56 PM, Kurt Smith > wrote: > > > > > > > > > > Hi > > > > > > > > > > I have a string "56 Fe [1]" that > I would like to use as a variable > > > name by using "assign" however I think the spaces > and brackets might be > > > causing R some trouble. > > > > > > > > Not really; > > > > > > > > R> assign( "56 Fe [1]", 10 ) > > > > R> `56 Fe [1]` > > > > [1] 10 > > > > > > > > > How can I change the string so > that it just becomes 56Fe1 and can > > > be used as a variable name. > > > > > > > > 56Fe1 is not good enough to be > assigned without quotes > > > > > > > > R> 56Fe1 <- 10 > > > > Error: unexpected symbol in "56Fe1" > > > > > > > > You might be interested in make.names > > > > > > > > R> make.names( "56 Fe [1]" ) > > > > [1] "X56.Fe..1." > > > > > > > > Otherwise, to answer your question, > you can : > > > > > > > > R> gsub( "[^[:alnum:]]", "", "56 Fe > [1]" ) > > > > [1] "56Fe1" > > > > > > > > > > > > > Thank You > > > > > > > > > > Kurt > > > > > > > > > > > > -- > > > > Romain Francois > > > > Independent R Consultant > > > > +33(0) 6 28 91 30 30 > > > > http://romainfrancois.blog.free.fr > > > > |- http://tr.im/qJ8V : RGG#153: stars > network > > > > |- http://tr.im/qzSl : using ImageJ from R: > the RImageJ package > > > > `- http://tr.im/qzSJ : with semantics for > java objects in rJava > > > > > > > ------------------------------------------------------------------------ > > > View your Twitter and Flickr updates from one > place - Learn more! > > > <http://clk.atdmt.com/UKM/go/137984870/direct/01/> > > > > > > -- > > Romain Francois > > Independent R Consultant > > +33(0) 6 28 91 30 30 > > http://romainfrancois.blog.free.fr > > |- http://tr.im/qJ8V : RGG#153: stars network > > |- http://tr.im/qzSl : using ImageJ from R: the RImageJ > package > > `- http://tr.im/qzSJ : with semantics for java objects in > rJava > > _________________________________________________________________ > > > [[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, > reproducible code. > __________________________________________________________________ Looking for the perfect gift? 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