Rsampling Fama French

This is my note for learning Rsampling Fama French. This article introduced how to conduct k-fold cross validation in R using rsample and yardstick packages. For more details, you can read the original article.

Regional Population Distribution of China, Just a Graph.

It’s very hard to get Chinese population at county level. So I just get this data for year 2004.

The shp data: chinamap.zip, theme.R can be found in this article: Create Complete China Maps Using GGPLOT2 and SF, Population data set: 全国分县市人口统计资料2004.xlsx

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