search for: listbranch

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2010 Nov 10
0
Retrieve all names of nested list and index list based on these names
...------------------------------------------------------ assign("buffer", new.env(parent=emptyenv()), envir=environment()) listnames.get.core( list.obj=list.obj, do.basename=do.basename, buffer=buffer ) # /APPLICATION ---------- return(buffer$index) } listbranch.get <- function( list.obj, query, do.strict=TRUE, do.rtn.val=TRUE, msg.error=NULL, ... ) { # VALIDATE if(!is.list(list.obj)) stop("Argument 'list.obj' must be a list.") # / # ESTABLISH LIST INDEX list.index <- jcore.listnames.get(...
2010 Nov 11
4
How to get a specific named element in a nested list
Hello, I have a nested named list structure, like the following: x <- list( list( list(df1,df2) list(df3, list(df4,df5)) list(df6,df7))) with df1...d7 as data frames. Every data frame is named. Is there a way to get a specific named element in x? so, for example, x[[c("df5")]] gives me the data frame 5? Thank you in advance! Best, Friedericksen