NAME
Data::Frame::Util - Utility functions
VERSION
version 0.006004
DESCRIPTION
This module provides some utility functions used by the Data::Frame project.
FUNCTIONS
dataframe
my $df = dataframe(...); Creates a Data::Frame object.
factor
my $logical = factor(...); Creates a PDL::Factor object.
logical
my $logical = logical(...); Creates a PDL::Logical object.
BAD
my $bad = BAD($n);A convenient function for generating all-BAD piddles of the given length.
NA
This is an alias of the BAD function.
ifelse
my $rslt_piddle = ifelse($test, $yes, $no)This function tries to do the same as R's ifelse function. That is, it returns a piddle of the same length as $test, and is filled with elements selected from $yes or $no depending on whether the corresponding element in $test is true or false.
$test, $yes, $no should ideally be piddles or coerce-able to piddles.
is_discrete
my $bool = is_discrete(ColumnLike $x);Returns true if $x is discrete, that is, an object of below types,
PDL::Factor
PDL::SV
guess_and_convert_to_pdl
AUTHORS
Zakariyya Mughal <zmughal@cpan.org>
Stephan Loyd <sloyd@cpan.org>
COPYRIGHT AND LICENSE
This software is copyright (c) 2014, 2019-2022 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.