Set init score of Booster to start from. Parameters ---------- init_score : list, numpy 1-D array, pandas Series or None Init score for Booster. Returns ------- self : Dataset Dataset with set init score.
(self, init_score)
| 1417 | return self |
| 1418 | |
| 1419 | def set_init_score(self, init_score): |
| 1420 | """Set init score of Booster to start from. |
| 1421 | |
| 1422 | Parameters |
| 1423 | ---------- |
| 1424 | init_score : list, numpy 1-D array, pandas Series or None |
| 1425 | Init score for Booster. |
| 1426 | |
| 1427 | Returns |
| 1428 | ------- |
| 1429 | self : Dataset |
| 1430 | Dataset with set init score. |
| 1431 | """ |
| 1432 | self.init_score = init_score |
| 1433 | if self.handle is not None and init_score is not None: |
| 1434 | init_score = list_to_1d_numpy(init_score, np.float64, name='init_score') |
| 1435 | self.set_field('init_score', init_score) |
| 1436 | self.init_score = self.get_field('init_score') # original values can be modified at cpp side |
| 1437 | return self |
| 1438 | |
| 1439 | def set_group(self, group): |
| 1440 | """Set group size of Dataset (used for ranking). |