Suppose I want to convert the first col of a PDL::Char to a float. When I do
this
my $age_col=$self->data->slice(",0:0");
I get the first column just fine, it looks like this
[
[ '39' ]
[ '50' ]
[ '38' ]
[ '53' ]
[ '28' ]
[ '37' ]
[ '49' ]
[ '52' ]
[ '31' ]
[ '42' ]
[ '37' ]
[ '30' ]
[ '23' ]
[ '32' ]
[ '40' ]
[ '34' ]
]
but if I try and convert it to a float I get a bunch of gibberish?
my $age_col=$self->data->slice(",0:0");
$age_col = float $age_col;
[
[ 'LBdB' ]
[ 'TB@B' ]
[ 'LB`B' ]
[ 'TBLB' ]
[ 'HB`B' ]
[ 'LB\B' ]
[ 'PBdB' ]
[ 'TBHB' ]
[ 'LBDB' ]
[ 'PBHB' ]
[ 'LB\B' ]
[ 'LB@B' ]
[ 'HBLB' ]
[ 'LBHB' ]
[ 'PB@B' ]
[ 'LBPB' ]
]
What am I doing wrong?
I am using PDL:Char because much of the rest of the columns are indeed Strings
and so I thought it wuld make sense to just use PDL::Char to store everything
and then selectively convert a column or two to float as needed.
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