add sample_weight to base score and weight_boosting staged_score
weight_boosting: unneeded np.copy
weight_boosting: include sample_weight in test_staged_predict
metrics: add sample_weight support
rm (default=None)
require sample_weight support for binary_metric
newline
atleast_2d.reshape -> reshape
weighted metrics: fix sample_weight handling for average=samples
format
metrics tests
doc: fix default
weighted metrics tests fixes
np.sum(np.multiply( -> np.dot(
update whats_new.rst
add test_base.test_score_sample_weight
sample_weight metrics tests: add missing micro and macro averaging for precision, recall, and f-score
TST define only one list of name for sample weight invariance testing
Typo: thepath -> the path
Merge pull request #3096 from ash211/patch-1

Typo: thepath -> the path