Variable importance
| No (low BISS) | Yes (high BISS) | Mean decrease accuracy | |
|---|---|---|---|
| Server quality | 5.064 | 18.468 | 15.339 |
| Food quality | −1.066 | 8.790 | 4.808 |
| Social norm | 18.127 | 21.870 | 27.676 |
| Gender | −0.455 | 3.293 | 1.649 |
| Age | −0.128 | 6.123 | 3.872 |
| Income | 4.363 | 1.090 | 3.972 |
| No (low BISS) | Yes (high BISS) | Mean decrease accuracy | |
|---|---|---|---|
| Server quality | 5.064 | 18.468 | 15.339 |
| Food quality | −1.066 | 8.790 | 4.808 |
| Social norm | 18.127 | 21.870 | 27.676 |
| Gender | −0.455 | 3.293 | 1.649 |
| Age | −0.128 | 6.123 | 3.872 |
| Income | 4.363 | 1.090 | 3.972 |
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