☘☘☘ Letters by Vivek Rai
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Vim for Writing

I happen to be a Vim user—not because I practice terminal voodoo or intend to push the limits of keyboard efficiency—because Vim is what I started with and had no reasons to move on. If you do not find Vim to be a reasonable choice, that is perfectly fine. There exists a natural equilibrium in the community where users keep keep updating their preferences as the tools evolve. Over years, I have spent countless hours learning my editor environment and customizing it to my needs.

Open {data, science, source} -

April, 2016 “What’s the worst that can happen? There’s nothing new to it anyway. Just get some sleep”, I told myself. With every passing minute, the clock moves closer to the midnight. But I am too tired to think about it anymore. About half an hour in my sleep, I am startled by a loud phone call. My friend is asking me to check the announcements of Google Summer of Code project selections.

Quick Data Plotting in R - II

In the first part of the posts on R, I outlined a couple of useful strategies for quick exploratory data analysis and visualization using R programming language. In this post, I will share a few more examples (in a case-study like manner) along with relevant plots for better demonstration. Getting rid of artificial patterns Plotting a graph where one or more attributes have identical values results in a graph which looks stratified.

Quick Data Plotting in R

Python is my all time favorite programming language. I use it all the time. It is simple, readable and easy to get started, something which I picked up four years ago when I went through the first offering of Interactive Programming with Python course on Coursera. Python’s simplicity and appeal has continued to grow over time, supported by a wide community and a rich environment of packages. Today, however, I am not going to talk about Python.

WIGI, an inspire grantee

WIGI, The Wikipedia Indicators of Gender Inequality, is a project by Maximilian Klein ( who is a PhD student at University of Minnesota. The project aims at quantifying and presenting the situation of gender gap on Wikipedia by observing the trends of gender in biography articles. ⊕ An infographic showing some indicators of gender trends in Wikipedia biography articles, which is much easier to measure and reliable. Designed by Francis Soong and Max Klein.

Getting rid of proxy issues

Anyone who's been to a college which uses proxy servers (almost all of them!) must have firewall horror stories to tell! Difficulties in SSH, accessing ill-fated websites, or inability to use some programs become the ugliest part of your life, especially if you are a programmer. After being bugged by this fate for around 3 years and having difficulties working on WIGI project, I finally decided to take care of this problem once and for all by getting myself a DigitalOcean tiny droplet.