星琳之梦的博客

week 2.1.Suppose m=4 students have taken some class, and the class had a midterm exam and a final exam. You have collected a dataset of their scores on the two exams, which is as follo

Introduction of Machine Learning机器学习： 写程序让机器有学习的能力机器学习的步骤：Model-定出function set让mechine 可以衡量model中的function好不好，和自己的数据集和label是否相符让机器可以自动挑出最好的方法f∗f∗f^*。 regression - 输出是数值。classificati...

Where does the error come from? ML Lecture 2参考 https://blog.youkuaiyun.com/abc8730866/article/details/70260188Error的来源：Bias，Variencef^f^\hat{f}是计算pokemon真正的函数，只有Niantic公司知道从训练集上，我们得出的一个估计f∗f∗f^*故像射...

Gradient Descent ML03Tip1 小心调整Learning RateLearning Rate：Adaptive Learning RatesAdagradComparison between different parametersTip2 Stohastic Gradient DescentTip3 Feature ScalingGradient...

Regression (Case Study) ML01regression 输出是数值如：股票预测，自动驾驶（输入是各种sensor，输出方向盘角度），推荐系统example 预测宝可梦的CP值。source : http://www.openintro.org/stat/data/?data=pokenman哈，真的，听课很开心~~）input（xxx）：某一只宝...