DOC use log_loss instead of defining deviance (#24962)
DOC use log_loss instead of defining deviance (#24962)


betatim/scikit-learn,scikit-learn/scikit-learn,betatim/scikit-learn,scikit-learn/scikit-learn,betatim/scikit-learn,betatim/scikit-learn,scikit-learn/scikit-learn,scikit-learn/scikit-learn