用R制作中国人口分布图

一图胜千言,一点不假。能用图不用表,能用表不用文字,这是我写文档的原则。图表传导信息更直接,也更具冲击力。本文试图尝试利用ggplot2包制

Creating a New Theme

Introduction This tutorial will show you how to create a simple theme in Hugo. I assume that you are familiar with HTML, the bash command line, and that you are comfortable using Markdown to format content. I’ll explain how Hugo uses templates and how you can organize your templates to create a theme. I won’t cover using CSS to style your theme. We’ll start with creating a new site with a very basic template.

Animated plots in R and LaTeX

I like to use animated plots in my talks on functional time series, partly because it is the only way to really see what is going on with changes in the shapes of curves over time, and also because audiences love them! Here is how it is done. For LaTeX, you need to create every frame as a separate graphics file. Here is an example. First the R code: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 library(demography) nyears <- length(fr.