Fig 1.
Three-layer reverse propagation neural network.
Fig 2.
Optimal classification super plane.
Fig 3.
RF Algorithm Principles.
Fig 4.
Adaboost algorithm schematic diagram.
Fig 5.
Model flow chart.
Table 1.
Confusion matrix.
Table 2.
Model evaluation indexes.
Table 3.
Industry Distribution of ST and Non-ST Companies.
Table 4.
37 financial indicators finalized.
Table 5.
Selection and quantification of text indicators.
Fig 6.
Text analysis and indicator calculation process.
Table 6.
Character selection and extraction comparison.
Table 7.
General Quan Differential Explanation.
Table 8.
Classification performance metrics of MLP.
Table 9.
Base learning device parameter value.
Table 10.
Different dimension reduction of a single category model prediction result.
Fig 7.
Single classification model results comparison diagram.
Table 11.
Integrated the single classification model prediction results of the text index.
Table 12.
Ensemble learning model prediction results under different dimensionality reduction methods.
Fig 8.
Integrated learning model results comparison diagram.
Table 13.
Ensemble learning model prediction results based on text indicators.
Table 14.
Further analysis of text indicators: prediction results of ensemble learning models.
Fig 9.
The text indicators further analyze the diagram.