R lists: part of tag name -


i found out strange behaviour when using lists in r:

> a$abc = 15 > a$abc [1] 15 > a$ab [1] 15 > a$a null > a$ab = null > a$ab [1] 15

is feature or bug? possible change behaviour? lot in advance!

r performs partial matching when using $, you'll abc when passing ab. matching not done single character. assignment:

a$ab = null

simply nothing, check object afterwards. null object added list, in r means nothing added.


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