The csv_to_arff is a script that turn csv filt to arff file.
Attribute Relationship File Format (ARFF ) is the text format file used by Weka to store data in a database.
to generate the arff files we need:
- Script to turn csv to arff file.
- Supports NUMERIC, REAL, INTEGER, STRING and NOMINAL attribute types;
- Supports names with space;
- LGPL license;
pre-requistes:
$ git clone git@github.com:renatopp/liac-arff.git
$ cd liac-arff/
$ python2.7 setup.py installinstall csv_to_arff:
$ git clone git@github.com:flecox/CsvToArff.git
$ cd CsvToArff/
$ python2.7 setup.py installTo be able to convert a csv to Arff file, you must suplly the list of arff types, the name of the relation, and te file input:
>csv_to_arff.py -t NOMINAL,STRING,INTEGER -f input.csv -r my_relationIf you don't want to use all the attributes in the csv file. we must declare it like this:
>csv_to_arff.py -t NOMINAL,STRING,INTEGER -f input.csv -r my_relation -a genre,last\ name,ageif you set one of the attributes as nominal, the script will automatically set all the values of that column as the possible values of that attribute.
for help:
> csv_to_arff.py --help
Usage: csv_to_arff.py <options>
Options:
-h, --help show this help message and exit
-r RELATION, --relation-name=RELATION
the relation name
-t TYPESPEC, --types=TYPESPEC
arff types list. e.g: NOMINAL,REAL,INTEGER,INTEGER
-a ATTRS, --attributes=ATTRS
atttributes to be procesed eg: casa,auto,cama\larga
-f FILE, --file=FILE csv input file