Move nloglik metrics to XGB_MINIMIZE_METRICS #128
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Description of changes:
Negative log likelihood is a metric that should be minimized, not maximized. This article has a simple explanation for what it is.
This PR moves the
*-nloglikmetrics from theXGB_MAXIMIZE_METRICSlist toXGB_MINIMIZE_METRICS.By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.