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