Re: [R] convert a list to a data frame

2012-04-04 Thread z2.0
Have you looked at plyr? Generally, ldply works well for this sort of thing. -- View this message in context: http://r.789695.n4.nabble.com/convert-a-list-to-a-data-frame-tp4532206p4533257.html Sent from the R help mailing list archive at Nabble.com.

Re: [R] convert a list to a data frame

2012-04-04 Thread David Winsemius
On Apr 4, 2012, at 4:54 PM, Sam Steingold wrote: * Sam Steingold [2012-04-04 14:58:15 -0400]: 1. the strings I replaced with and are very long; I wish I could replace them in the object all, not just in text i.e., I have a long list with elements with long names. how do I replace

Re: [R] convert a list to a data frame

2012-04-04 Thread Sam Steingold
> * Sam Steingold [2012-04-04 14:58:15 -0400]: > > 1. the strings I replaced with and are very long; I wish I > could replace them in the object all, not just in text i.e., I have a long list with elements with long names. how do I replace all these long names with something shorter? ro

Re: [R] convert a list to a data frame

2012-04-04 Thread Sam Steingold
Thanks for your reply! 1. the strings I replaced with and are very long; I wish I could replace them in the object all, not just in text 2. `all` is the result of as.data.frame(do.call("rbind",l),stringsAsFactors = FALSE) 3. I get my data frame as fr <- data.frame(audience =

Re: [R] convert a list to a data frame

2012-04-04 Thread Bert Gunter
??? What is a? ?str str(a) ?do.call On Wed, Apr 4, 2012 at 9:34 AM, Sam Steingold wrote: > sorry, google does give a good start. > >> Google on "R convert list to data frame". > >  as.data.frame(do.call("rbind",a)) > > returns an object which I don't understand. >> summary(f) >  name.Length  

Re: [R] convert a list to a data frame

2012-04-04 Thread Sam Steingold
sorry, google does give a good start. > Google on "R convert list to data frame". as.data.frame(do.call("rbind",a)) returns an object which I don't understand. > summary(f) name.Length name.Class name.Modestatus 1 -none- characterLength:4445 1

Re: [R] convert a list to a data frame

2012-04-04 Thread Bert Gunter
Please first search yourself before posting. Google on "R convert list to data frame". -- Bert On Wed, Apr 4, 2012 at 8:11 AM, Sam Steingold wrote: > I have a huge list (returned by fromJSON) with elements like this: > > $`zz/3260` > $`zz/3260`$name > [1] "myname" > > $`zz/3260`$status > [1] "a

[R] convert a list to a data frame

2012-04-04 Thread Sam Steingold
I have a huge list (returned by fromJSON) with elements like this: $`zz/3260` $`zz/3260`$name [1] "myname" $`zz/3260`$status [1] "active" $`zz/3260`$vectors $`zz/3260`$vectors$`vector/241` $`zz/3260`$vectors$`vector/241`$channel [1] "channel/300" $`zz/3260`$vectors$`vector/241`$targets $`zz/326