Mike Kane (@kaneplusplus) 's Twitter Profile
Mike Kane

@kaneplusplus

Co-Founder of Telperian Inc. and Associate Professor at MD Anderson

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calendar_today31-10-2011 02:44:05

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Mike Kane
@kaneplusplus

10 months ago

The answer to this one is the second selection, {"a" : 1, "b" : 2} for at least two reasons. First, the R code creates a named list, whose elements can be accessed via the double-bracket operator and the element name or via the dollar operator. list(a = 1, b = 2)[['a']] list(a =