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Improvement in predictive ability of data cleaning techniques
| Hospital admissions data | Synthetic data | |
|---|---|---|
| Remove punctuation |
−a0.08% |
+0.08% |
| Remove alt. missing values |
+0.5% |
0% |
| Nickname lookup |
−28% |
−33% |
| Sex Imputation | NA | −5% |
a Negative sign (-) refers to decrease in predictive ability, positive sign (+) refers to increase in predictive ability compared to baseline.
