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dfr
2011 Jul 06
1
accessing names of lists in a list
...name all
their columns and do other operations with them. The data.frame names are
not continuous like 1, 3, 4, 6.
I could not find a way of creating a list of the data.frames and loop this
and ended up putting them into a list first:
# get all objects
all.obj = sapply(ls(), get)
# get data frames
dfrs = all.obj[sapply(all.obj, is.data.frame)]
but then I get lists within lists:
structure(list(`1` = structure(list(Datum = structure(c(...
my problem now is how to access the inner list, for example to rename the
"Datum" to "date". The following changes only the outer list:
na...