New R Package on CRAN
hchinmap v0.1.0 <https://cran.r-project.org/package=hchinamap> is now on CRAN!
In my two previous tweets, I used Stata and Python to fit Markowitz Efficient Frontier respectively: Use Stata to Fine the Markowitz Efficient Frontier & Use Stata to Fine the Markowitz Efficient Frontier. But Stata verison is imperfection, because I don’t know how to optimize in Stata. This problem was finally solved today: How to optimize in Stata.
The last article introduced how to create desktop notifications from R. In this article, I’ll show you how to create destop notifications from Stata or any other Apps!
一直非常喜欢的 Tushare 财经数据接口最近又推出了不少新东西，这篇文章学习了如何通过 http 请求财经数据。
Before moving on today’s topic, we can take a brief look at the text addition of Stata’s drawing.
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