04 2019 档案

摘要：# 当elevation=0时，视角为沿x1负方向看，当elevation=90时，视角沿x3负方向看。# 当azimuth=0时，视角为沿x1负方向看，当azimuth=90时，视角沿x2负方向看。# 随着azimuth的增加，从x3负方向看，x1x2平面是顺时针旋转的。# 逆时针旋转，能把x1, 阅读全文

摘要：many Machine Learning problems involve thousands or even millions of features for each training instance. not only does this make training extremely s 阅读全文

摘要：if you aggregate the predictions of a group of predictors，you will often get better predictions than with the best individual predictor. a group of pr 阅读全文

摘要：Decision Trees are versatile Machine Learning algorithms that can perform both classification and regression tasks，and even multioutput tasks. Decisio 阅读全文