Research Article
[Retracted] Optimization of Online Teaching Quality Evaluation Model Based on Hierarchical PSO-BP Neural Network
| KMO statistic value | Discrimination note | Factor analysis applicability |
| Above 0.95 | Ideal for factor analysis | Great | 0.85 or more | Suitable for factor analysis | Good | 0.75 or more | Factor analysis | Moderate | 0.65 or more | Can barely perform factor analysis | Normal | 0.55 or more | Not suitable for factor analysis | Poor | 0.55 or less | Very unsuitable for factor analysis | Unacceptable |
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