View xgb_quantile_loss.py
import numpy as np | |
def xgb_quantile_eval(preds, dmatrix, quantile=0.2): | |
""" | |
Customized evaluational metric that equals | |
to quantile regression loss (also known as | |
pinball loss). | |
Quantile regression is regression that |
View gist:890a378ef8278a81792039201d4d690b
public static void BulkInsertNpgsql<T>(this IDbConnection dbConn, IEnumerable<T> list, IEnumerable<string> insertFields = null) | |
{ | |
if (list == null) return; | |
if (list.Count() < 1) return; | |
var objWithAttributes = list.FirstOrDefault(); | |
var modelDef = OrmLiteConfig.GetModelDefinition(objWithAttributes.GetType()); | |
if (insertFields == null) insertFields = new List<string>(); |