Laminar Insight

All about making data and insights flow flawlessly

Have R Look After Your Stocks!

Use R to check stock prices for you and notify you.

If you like to dabble in the stock market as a side hustle or just out of sheer curiosity, you may have faced the dilemma of how frequently you should check your stock price. The on and off checking of price can be a real productivity killer. This tutorial will show you how you can do that constant price checking using R and have it send you a message when something interesting happens!

Posted by Arafath Hossain Saturday, August 29, 2020

Automatically Build Data Tables from US Census Survey!

Augment tidycensus function to automatically collect Census Bureau data.

This is a tutorial that demonstrates some basic to somewhat advanced steps of writing functions in R in the context of a real life project. I used tidycensus package to collect census data, added a wrapper function to enhance functionality of the out of the box functions, showed how to use tryCatch functionality to add fallback functionality to a function.

Posted by Arafath Hossain Friday, July 10, 2020

Is that Red Wine Good Enough?

Predicting sample wine quality using binary classification model.

This is a tutorial prepared for the marketing analytics students of a business undergraduate program. The goal was to introduce them to the basic workflow of predictive modeling and demostrate how they can document their projects.

Posted by Arafath Hossain Sunday, July 5, 2020

Automate Your Repetitive Reports!

Automating a task using R and windows task manager.

R can be used as a great tool to automate your repeat works such as: refreshing a report everyday based on new data or running some ETL process and storing the data in Data Base. In this article I will show how to automate a report creation and communication by using R and Windows scheduler.

Posted by Arafath Hossain Friday, January 10, 2020