Research Article
Data Mining for Material Feeding Optimization of Printed Circuit Board Template Production
Table 4
Selected features for different group of the samples.
| Index | Feature symbol | Sample group | 1 | 2 | 3 | 4 | 5 | 6 | All |
| 1 | Pt | | | | | | ◊ | ◊ | 2 | Ln | ◊ | ◊ | ◊ | ◊ | ◊ | ◊ | ◊ | 3 | Ro | | ◊ | ◊ | | ◊ | ◊ | ◊ | 4 | Plfr | | | | | | ◊ | ◊ | 5 | Noo | | | | ◊ | ◊ | ◊ | ◊ | 6 | NPP | | | | | | | ◊ | 7 | Sus | | | | | | | | 8 | Photb | ◊ | ◊ | | | | | | 9 | Highfb | ◊ | | | | ◊ | | | 10 | Semictb | ◊ | ◊ | ◊ | | | | | 11 | Nflp | | | | | | | | 12 | Tinc | | | | | ◊ | ◊ | ◊ | 13 | IPCIII | | | | | | | | 14 | Huawei | | ◊ | ◊ | ◊ | ◊ | ◊ | ◊ | 15 | Mwil | | | | | | | | 16 | Mlsil | | | | | | | | 17 | Mwol | | | | | | | | 18 | Mlsol | | | | | | | | 19 | Srph | | | | | ◊ | | | 20 | Phwr | | ◊ | | ◊ | ◊ | | | 21 | Secd | ◊ | ◊ | ◊ | ◊ | ◊ | ◊ | ◊ | 22 | Bcdr | ◊ | | | ◊ | ◊ | ◊ | ◊ | 23 | Chaprt | ◊ | | | ◊ | ◊ | ◊ | ◊ | 24 | White | | | | | | ◊ | ◊ | 25 | Blue | | | | | | | | 26 | Black | | | | | | | | 27 | Chaprt | | | ◊ | | | | | 28 | Hasl | | | | | ◊ | ◊ | ◊ | 29 | Lfhasl | ◊ | | | | | | | 30 | Osp | ◊ | | | | ◊ | | | 31 | Cnapp | ◊ | | ◊ | ◊ | | ◊ | ◊ | 32 | Gfig | | | ◊ | ◊ | ◊ | ◊ | | 33 | Godp | ◊ | ◊ | ◊ | ◊ | ◊ | | | 34 | Snap | | | | | | | | 35 | Iasa | | | | | ◊ | ◊ | ◊ | 36 | Reqq | ◊ | | | | | | | 37 | Reqpl | | | | | | | ◊ | 38 | Dunita | ◊ | ◊ | ◊ | ◊ | ◊ | ◊ | ◊ | 39 | Reqa | | | | | | | | 40 | Hquar | ◊ | ◊ | ◊ | ◊ | ◊ | ◊ | ◊ |
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Note. Selected features are marked with ◊. The description of features (variables) has been specified in Table 1. |