Table 2.

Performance and feature importance list of random forest model

MetricScore
Model performance
Mean squared error (MSE)0.0053
score0.7272
Top 10 most important features
FeatureImportance
Upper quartile – average total remuneration ($)0.267394
Lower quartile % women0.233624
Upper quartile % women0.229031
Lower quartile – average total remuneration ($)0.056409
Lower–middle quartile % women0.038275
Lower–middle quartile – average total remuneration ($)0.037101
Total workforce % women0.018024
Upper–middle quartile % women0.017547
Upper–middle quartile – average total remuneration ($)0.016324
Employer name_encoded0.013145
Source(s): Authors’ own work

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