文 / Google AI Residency 计划经理 Phing Lee 2016 年,我们迎来了 Google Brain Residency 首期学员,这 27 位学员将通过一个为期 12 个月的实习计划开启机器学习和深度学习研究领域的职业生涯。此后,该计划迅速发展,演变成为现今的 Google AI Residency。这项计划旨在为学…
知乎周源微信 In my new ongoing quest to read source code to be a better developer, I now present the seventh in an infinite number of a weekly series called "The Weekly Source Code." Heres some source Im reading this week that I enjoyed. 在我不断…
标题:Deep contextualized word representations 作者:Matthew E. Peters†, Mark Neumann†, Mohit Iyyer†, Matt Gardner†,Christopher Clark∗, Kenton Lee∗, Luke Zettlemoyer†∗ 单位:UW 会议:NAACL-2018 链接:Deep contextualized word representations 今天学…
UserWarning: X does not have valid feature names, but SGDClassifier was fitted with feature names
原因是输入的数据是array格式,应该使用pd.DataFrame方法转为dataframe格式: 报错解决!
最小二乘(Least Square)与多项式拟合(fitted polynomial)的理解
多项式: f ( x i ) θ 0 θ 1 x i θ 2 x i 2 ⋯ θ n x i n f(x_i)\theta_0\theta_1x_i\theta_2{x_i}^2\cdots{\theta_n}{x_i}^n f(xi)θ0θ…
用随机森林线性回归,加上网格搜索交叉验证以后就出现了以下报错 sklearn.exceptions.NotFittedError: This RandomForestRegressor instance is not fitted yet. Call fit with appropriate arguments before using this estimator. 大意是模型没和数据fit
但是我观…