NAME

Data::Frame::IO::CSV - Partial class for data frame's conversion from/to CSV

VERSION

version 0.0049

METHODS

from_csv

from_csv($file, :$header=true, :$sep=',', :$quote='"',
         :$na=[qw(NA BAD)], :$col_names=undef, :$row_names=undef, 
         Map[Str, DataType] :$dtype={},
         :$strings_as_factors=false)

Create a data frame object from a CSV file. For example,

my $df = Data::Frame->from_csv("foo.csv");

Some of the parameters are explained below,

• $file can be a file name string, a Path::Tiny object, or an opened file

  handle.

• $dtype is a hashref associating column names to their types. Types

  can be the PDL type names like "long", "double", or names of some PDL's derived class like "PDL::SV", "PDL::Factor", "PDL::DateTime". If a column is not specified in $dtype, its type would be automatically decided.

to_csv

to_csv($file, :$sep=',', :$quote='"', :$na='NA',
       :$col_names=true, :$row_names=true)

Write the data frame to a csv file.

AUTHORS

• Zakariyya Mughal <zmughal@cpan.org>

• Stephan Loyd <sloyd@cpan.org>

COPYRIGHT AND LICENSE

This software is copyright (c) 2014, 2019 by Zakariyya Mughal, Stephan Loyd.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.