Posts

Johnson-Neyman for meta analysis

In applied research, we typically look at moderation effect of a moderator on the relationship between a predictor and an outcome variable. However, looking at the interaction term alone is very misleading.

Last updated on Mar 3, 2022 5 min read R, research

Move or Copy Environment in Python

It’s likely that at some point in you data analysis or research career, you will have to either move or copy your current working/virtual environment in Python (in Anaconda or any other platform) to a new location (e.

Last updated on Feb 15, 2022 1 min read Python

Setup Java with R

To prevent future problems when using Java, you need to install Java to your machine correctly. Download the correct version of Java from https://www.java.com/en/download/manual.jsp Right-click the Java setup app to “Run as Admin” After installing Java, go to R and let your machine know the right path to Java (Make sure you run R as Admin as well).

Last updated on Jan 13, 2022 1 min read R, Rstudio

Missing Git tab in Rstudio on Windows computer

Due to a new movement in the tech industry, organizations (e.g., companies or universities) will not allow their members to have complete control of their machines (i.e., administrative privileges or running programs as administrators).

Last updated on Jan 3, 2022 3 min read R, Rstudio, GitHub

Task Scheduler with Python and Anaconda environment

Frequently, we as researchers would like to expedite our work process with programs when we have repeated tasks. There is an easy way for you to do this with Python on your Windows computer.

Last updated on Dec 26, 2021 1 min read Python, research, Demo

Project Managment for Researchers

As a PhD student, it can be overwhelming sometimes with all the projects, courses (either teaching or taking), and conferences that you have to manage. Since I might not be the only one who struggle with this management task, I’d like to share my favorite project management app.

Last updated on Dec 13, 2021 1 min read research

refer to relative path in blogdown

When you write your posts/blogs on blogdown, you might not want to always refer to the absolute path appeared on your website (because you might change your domain name and all hell breaks loose).

Last updated on Nov 24, 2021 1 min read R

remove files greater than 100MB from github repo before committing

I accidentally commit files greater than 100 MB (which is against GitHub’s policy - only files less than 100MB). Hence, you should always either Ignore the files by including their names in the .

Last updated on Nov 24, 2021 2 min read GitHub

Upload files greater than 100MB to GitHub

What if you want to upload more than 100MB? This is where Git Large File Storage comes in. Step 1: After downloading it from the link above, type git lfs isntall in your “Terminal” (once per user account)

Last updated on Nov 24, 2021 1 min read GitHub

making your image and figure robust in bs4 bookdown

I struggle to find how to make my figures and images perfectly aligned in the center of my book. After looking around, I think I’ve found an adequate solution:

Last updated on Nov 22, 2021 1 min read R