'~A~B~C~D~E~F~G~H~I~J~K~L~bool_with_nan~category~datetime64[ns, <tz>]~datetime64[ns]~dicts~interval~lists~period~tuples\n0~1.0~foo~NaN~(1+20j)~(1+20j)~NaN~NaN~True~2013-01-02~1.0~0~test~True~A~2013-01-01 00:00:00+01:00~2001-01-02~{1: 2}~(2017-01-01, 2017-01-08]~[1, 2]~2012-01-01~(1, 2)\n1~1.0~foo~NaN~(1+20j)~(1+20j)~bar~bar~False~2013-01-02~1.0~1~train~False~B~2013-01-02 00:00:00+01:00~2001-01-02~{1: 2}~(2017-01-08, 2017-01-15]~[1, 2]~2012-01-01~(1, 2)\n2~1.0~foo~NaN~(1+20j)~(1+20j)~2.0~2.0~True~2013-01-02~1.0~2~test~False~C~2013-01-03 00:00:00+01:00~2001-01-02~{3: 4}~(2017-01-15, 2017-01-22]~[3, 4]~2012-01-01~(3, 4)\n3~1.0~foo~NaN~(1+20j)~(1+20j)~(1+10j)~(1+10j)~False~2013-01-02~1.0~3~train~NaN~D~2013-01-04 00:00:00+01:00~2001-01-02~set([4, 5])~(2017-01-22, 2017-01-29]~[4, 5]~2012-01-01~(4, 5)\n'