ditto.list | R Documentation |
Suppose you want to set up a list where several consecutive elements take the same value, but you don't want to repeatedly type that value: then use dittolist
to set empty (missing) elements to the previous non-empty element. Wrap in unlist()
to create a vector instead of a list.
ditto.list(...) # EG: # ditto.list( a=1, b=, c='hello') # a: 1; b: 1, c: 'hello'
... |
anything, named or unnamed; missing elements OK |
List
unlist( ditto.list( a=1, b=, c='hello')) # a: 1; b: 1, c: 'hello'