The description of the data set obtained via different sampling methods. 50 per cent of all the candidates are used as training data which is denoted as ‘NonSampling’, while others are in a test set. The balanced training data set generated by undersampling, oversampling, and SMOTE are denoted as ‘UnderSample’, ‘OverSample’, and ‘SMOTE’, correspondingly.
| Data . | Sampling . | Pulsar . | Non-pulsar . | Total . | Ratio . |
|---|---|---|---|---|---|
| Train | NonSampling | 598 | 44 998 | 45 596 | 1:75 |
| SMOTE | 44 998 | 44 998 | 89 996 | 1:1 | |
| UnderSample | 598 | 598 | 1196 | 1:1 | |
| OverSample | 44 998 | 44 998 | 89 996 | 1:1 | |
| Test | – | 598 | 44 998 | 45 596 | 1:75 |
| Total | – | 1196 | 89 996 | 91 192 | 1:75 |
| Data . | Sampling . | Pulsar . | Non-pulsar . | Total . | Ratio . |
|---|---|---|---|---|---|
| Train | NonSampling | 598 | 44 998 | 45 596 | 1:75 |
| SMOTE | 44 998 | 44 998 | 89 996 | 1:1 | |
| UnderSample | 598 | 598 | 1196 | 1:1 | |
| OverSample | 44 998 | 44 998 | 89 996 | 1:1 | |
| Test | – | 598 | 44 998 | 45 596 | 1:75 |
| Total | – | 1196 | 89 996 | 91 192 | 1:75 |
The description of the data set obtained via different sampling methods. 50 per cent of all the candidates are used as training data which is denoted as ‘NonSampling’, while others are in a test set. The balanced training data set generated by undersampling, oversampling, and SMOTE are denoted as ‘UnderSample’, ‘OverSample’, and ‘SMOTE’, correspondingly.
| Data . | Sampling . | Pulsar . | Non-pulsar . | Total . | Ratio . |
|---|---|---|---|---|---|
| Train | NonSampling | 598 | 44 998 | 45 596 | 1:75 |
| SMOTE | 44 998 | 44 998 | 89 996 | 1:1 | |
| UnderSample | 598 | 598 | 1196 | 1:1 | |
| OverSample | 44 998 | 44 998 | 89 996 | 1:1 | |
| Test | – | 598 | 44 998 | 45 596 | 1:75 |
| Total | – | 1196 | 89 996 | 91 192 | 1:75 |
| Data . | Sampling . | Pulsar . | Non-pulsar . | Total . | Ratio . |
|---|---|---|---|---|---|
| Train | NonSampling | 598 | 44 998 | 45 596 | 1:75 |
| SMOTE | 44 998 | 44 998 | 89 996 | 1:1 | |
| UnderSample | 598 | 598 | 1196 | 1:1 | |
| OverSample | 44 998 | 44 998 | 89 996 | 1:1 | |
| Test | – | 598 | 44 998 | 45 596 | 1:75 |
| Total | – | 1196 | 89 996 | 91 192 | 1:75 |
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