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aframe1
2010 Feb 03
3
How to flatten a tree (based on list) to a certain depth?
...'root'
(let's call it a 'tree' of frames). I want to flatten it to be a list
of frames. However, if I unlist(root), it will flatten the frames as
well. Is there a simply way to flatten the tree to certain depth?
aframe1=data.frame(x=1:3,y=1:3)
aframe2=data.frame(u=7:9,v=11:13)
aframe3=data.frame(p=3:5,q=6:8)
main1=list(sub1=aframe1, sub2=aframe2)
main2=list(sub3=aframe3)
root=list(main1=main1, main2=main2)
str(root)
unlist(root)