Research Article
Recognition of Mixture Control Chart Pattern Using Multiclass Support Vector Machine and Genetic Algorithm Based on Statistical and Shape Features
Table 1
The parameters of six basic patterns.
| | Control chart patterns | Pattern equations | Parameters |
| | Normal (NOR) | | Mean , standard deviation | | Cyclic (CYC) | | Period , amplitude | | Increasing (decreasing) trend (IT/DT) | | Gradient | | Increasing (decreasing) shift (US/DS) | | Shift magnitude , shift position |
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