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微软机器学习课程（Machine Learning for Beginners, Curriculum）来了，一天之内狂揽 2000 + 星。
课程地址：https://github.com/microsoft/ML-For-Beginners
该课程面向机器学习初学者，总共 12 周、24 节课，完全免费，已经过 MIT 授权。由 Azure 云倡导者等人员制作而成。
这门课程都是关于「经典机器学习」的，使用 Scikit-learn 库来处理 ML 基本概念。不过本次 ML 课程中不讨论深度学习或神经网络相关内容。
Scikit-learn 库：https://scikit-learn.org/stable/user_guide.html
这门课程涉及到的算法都有具体的示例，包括回归（北美南瓜市场定价示例）、分类（泛亚洲菜系示例）、聚类（尼日利亚音乐品味示例）、NLP（欧洲酒店评论示例）、时间序列（世界用电量示例），强化学习（俄罗斯关于彼得和狼的故事）。
这是一门自学课程，但它在以小组为单位的学习中效果很好，因此你可以考虑寻找学习伙伴并一起学习。通过课前测验热身，和小伙伴一起或单独完成课程和作业。通过课后测验测试自己掌握的知识。学习这门课之前，最好掌握 Python。
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Growth of science is a prevalent issue in science of science studies. In recent years, two new bibliographic databases have been introduced which can be used to study growth processes in science from centuries back: Dimensions from Digital Science and Microsoft Academic. In this study, we used publication data from these new databases and added publication data from two established databases (Web of Science from Clarivate Analytics and Scopus from Elsevier) to investigate scientific growth processes from the beginning of the modern science system until today. We estimated regression models that included simultaneously the publication counts from the four databases. The results of the unrestricted growth of science calculations show that the overall growth rate amounts to 4.10% with a doubling time of 17.3 years. As the comparison of various segmented regression models in the current study revealed, the model with five segments fits the publication data best. We demonstrated that these segments with different growth rates can be interpreted very well, since they are related to either phases of economic (e.g., industrialization) and / or political developments (e.g., Second World War). In this study, we additionally analyzed scientific growth in two broad fields (Physical and Technical Sciences as well as Life Sciences) and the relationship of scientific and economic growth in UK. The comparison between the two fields revealed only slight differences. The comparison of the British economic and scientific growth rates showed that the economic growth rate is slightly lower than the scientific growth rate.
