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package cli::rows::venn; |
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use 5.006; |
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use strict; |
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use warnings; |
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=head1 NAME |
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cli::rows::venn -- showing the cardinal concerning superposition of 2,3 or 4 sets. |
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After this module is installed the following three CLIs are deployed. |
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venn2 |
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venn3 -- not so good .. |
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venn4 -- neat document does not entailed. |
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The author found that the Venn diagram drawing for 3 and 4 sets is |
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sometimes quite important to understand the including relationship |
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among the sets during the data analysis project. But drawing the |
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diagram and filling the element numbers (cardinals) is really tedious |
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work. This CLIs (Command Line Interface) help this work greatly. |
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One educational note: the Venn diagram for 3 sets is drawn only |
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by regular circles, and the one for 4 sets is drawn by rectangles |
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or ellipses. My program shows the element numbers of it as in the |
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4 x 4 matrix. |
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Neatly showing about the information of element numbers over multiple |
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sets considering superposition has various ways. The future version |
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would try to implement in CLI. |
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=head1 VERSION |
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Version 0.001 |
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=cut |
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our $VERSION = '0.001'; |
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=head1 LICENSE AND COPYRIGHT |
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Copyright 2018 "Toshiyuki Shimono". |
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This program is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program. If not, see L. |
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=cut |
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1; # End of cli::rows::venn |