This post will introduce how to visualize the continuous variable on the map with the use of choropleth_mapbox, a mighty tool to realize animation.

Try many ways to upload images to hexo under the theme of tranquilpeak, but fail in a day’s trials.

Only url method works. You can use url directly for gravatar and blog writing.

This post will introduce how to visualize the adoption of innovation (dummy variable) on the map with the use of scatter_mapbox, a mighty tool to realize animation.

Centroid refers to the centre point of an object, a polygon, a city. The coordinate of centroid could be useful for mapping the scatter point by using scatter-mapbox.

This post will focus on how to extract its coordinates by using QGIS.

Today, I suddenly got this messsage when I deploy my blog to Github.

remote: Password authentication is temporarily disabled as part of a brownout. Please use a personal access token instead.

remote: Please see https://github.blog/2020-07-30-token-authentication-requirements-for-api-and-git-operations/ for more information.