How can you expect a solution if you cannot specify the problem? -- Bert
Bert Gunter Genentech Nonclinical Biostatistics (650) 467-7374 "Data is not information. Information is not knowledge. And knowledge is certainly not wisdom." Clifford Stoll On Fri, Feb 20, 2015 at 6:13 AM, Aron Lindberg <aron.lindb...@case.edu> wrote: > Hmm…Chuck’s solution may actually be problematic because there are several > entries which at the deepest level are called “sha”, but that should not be > included, such as: > > > > > > input[[67]]$content[[1]]$commit$tree$sha > > > > > and > > > > > input[[67]]$content[[1]]$parents[[1]]$sha > > > > > > it’s only the “sha” that fit the following subsetting pattern that should be > included: > > > > > > input[[i]]$content[[1]]$sha[1] > > > > > It’s getting thornier! > > > > > To be fair to Rolf’s solution (which probably can be updated to solve the > problem), I’ve posted the complete dput here: > > https://gist.githubusercontent.com/aronlindberg/92700c04c88ff112e4f7/raw/0f3cd8468f4dc82267be3cec72d53a7a04f5c449/dput.R > > > > > > > > -- > > Aron Lindberg > > > > > Doctoral Candidate, Information Systems > > Weatherhead School of Management > > Case Western Reserve University > > aronlindberg.github.io > > On Fri, Feb 20, 2015 at 8:25 AM, Aron Lindberg <aron.lindb...@case.edu> > wrote: > >> Thanks Chuck and Rolf. >> While Rolf’s code also works on the dput that I actually gave you (a smaller >> subset of the full dataset), it failed to work on the larger dataset, >> because there are further exceptions: >> input[[i]]$content[[1]] is sometimes a list, sometimes a character vector, >> and sometimes input[[i]]$content simply returns list(). >> Chuck’s solution however bypasses this and works on the full dataset (which >> was 8mb, which is why I didn’t upload it as a gist). >> Best, >> Aron >> -- >> Aron Lindberg >> Doctoral Candidate, Information Systems >> Weatherhead School of Management >> Case Western Reserve University >> aronlindberg.github.io >> On Fri, Feb 20, 2015 at 12:44 AM, Charles Berry <ccbe...@ucsd.edu> wrote: >>> Aron Lindberg <aron.lindberg <at> case.edu> writes: >>>> >>>> Hi Everyone, >>>> >>>> I'm working on a thorny subsetting problem involving list of lists. I've >>>> put a >>> dput of the data here: >>>> >>>> https://gist.githubusercontent.com/aronlindberg/b916dee897d051ac5be5/ >>> raw/a78cbf873a7e865c3173f943ff6309ea688c653b/dput >>>> >>> IIUC, you want the value of every list element that is named "sha" and >>> that name will only apply to atomic objects. >>> If so, this should do it. >>>> input <- dget("/tmp/dpt") >>>> shas <- unlist( input, use.names=FALSE )[ grepl( "sha", >>>> names(unlist(input)))] >>>> input[[67]]$content[[1]]$sha >>> [1] "58cf43ecdc1beb7e1043e9de612ecc817b090f15" >>>> which(input[[67]]$content[[1]]$sha == shas ) >>> [1] 194 >>> HTH, >>> Chuck >>> ______________________________________________ >>> 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-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.