Learn Data Science
R and Python are two popular languages for data science. We use both at Instacart.
This is a short guide for R.
It’s quick and everything is completely free. Follow in order for a smoother ride.
Download R and RStudio Desktop.
Complete Try R. Then read about data structures and subsetting. The
str() command will be a favorite as you learn.
Your First Model
Kaggle is a platform for data science competitions. Complete the “getting started” competition by following this great tutorial (5 parts).
Read and do the labs in An Introduction to Statistical Learning (available as a free PDF). Understand the bias-variance tradeoff.
Check out R for Data Science and these courses:
Get a quick intro to time-series analysis.
Also check out Google’s R Style Guide.
Good to Know
- variables and function names in R can (and often do) contain dots -
lm.fitis a variable name, not a call to the