Algorithm 1:
Figure 1.
Figure 2.
Figure 3.
Figure 4.
Figure 5.
Figure 6.
Figure 7.
Figure 8.
Discretization rules of factors (Sun et al_, 2023)_
| Variable | Discretization rule |
|---|---|
| pNov | 0: zero; [0, 0.4]: low; (0.4, 0.6]; median; (0.6, 0.8]: mhigh; (0.8, 1]: high |
| pDisrupt | <0: ngtzero; sort pDisrupt values and divide by top percentage interval: (70%, 100%]: low; (30%, 70%]: medium; (10%, 30%]: mhigh; (0%, 10%]: high |
| refNum | [0, 10]: ltTen; (10, 20]: tenTwenty; (20, 30]: twentyThirty; > 30: gtThirty |
| abRE | >70: easy; (50, 70]: medium; (40, 50]: mhard; (30, 40]: hard; <30: vhard (ref. Flesch, 1948) |
| abLen | <600: short; (600, 800]; median; (800, 1000]: long; >1000: vlong |
| pNumF | [0, 10]: ltTen; (10, 20]: tenTwenty; (20, 50]: twentyFifty; (50, 100]: FiftyHundred; > 100: |
| pNumM | gtHundred |
| tcF | [0, 10]: ltTen; (10, 100]: tenHundred; (100, 500]: HundredFiveH; (500, 2000]: fiveHTwentyH; |
| tcM | (2000, 10000]: twentyHHundredH; > 10000: gtHundredH |
| HIF | [0, 10]: ltTen; (10, 20]: tenTwenty; (20, 30]: twentyThirty; (30, 50]: thirtyFifty; (50, 100]: |
| HIM | FiftyHundred |
| auCDF | sort auCDF/auCDM values and divide by top percentage interval: (50%, 100%]: low; (20%, 50%]: mlow; (10%, 20%]: medium; (5%, 10%]: mhigh; (0%, 5%]: high |
| auNum | 1: one; 2: tow; 3: three; 4: four; 5: five; >5: gtfive |
| CNCI | (0, 0.3]: low; [0.3, 0.8]: mlow; (0.8, 1.2]; average; (1.2, 2]: mhigh; (2, 5]: vhigh; >5: exhigh |