Observations: 2
Variables: 8
$ a (dbl) 1.0, 2.5
$ b (int) 1, 2
$ c (lgl) TRUE, FALSE
$ d (chr) "a", "b"
$ e (fctr) a, b
$ f (date) 2015-12-10, 2015-12-11
$ g (time) 2015-12-09 10:51:35, 2015-12-09 10:51:36
$ h (list) 1, 2
