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| gpca | Main function gpca, Generalized Principal Component of Symbolic Interval variables |
| GPCSIV | Generalized Principal Component of Symbolic Interval Variables. |
| Judge1 | GPCSIV, dataset Judge 1 |
| Judge2 | GPCSIV, dataset Judge 2 |
| Judge3 | GPCSIV, dataset Judge 3 |
| oils | Oils data proposed by Ichino |
| Resdata | class of objects 'Resdata' |
| video1 | Video data, GPCSIV, Generalized Principal Component of Symbolic Interval variables |
| video2 | Video data, GPCSIV, Generalized Principal Component of Symbolic Interval variables |
| video3 | Video data, GPCSIV, Generalized Principal Component of Symbolic Interval variables |