Big Data Homeworks

BUSN 20800 – Spring 2021

All homeworks are listed below in order, some required datasets may be on the main page. Below the homeworks are the prediction competitions.

Solutions are availble on request

Homeworks

0. HW0 An ungraded optional assignment for making sure everyone is up to speed. .Rmd
   • HW0 Answers and .Rmd file
1. Homework 1: FDR control .Rmd
   • Data (not CSVs): reviews, products, word freq, words
2. Homework 2, Rmd
   • Data and codebook
3. Homework 3 and Rmd
   • Due Next wednesday at midnight.
   • In solutions some of the ratios etc may be inverted. This shouldn’t change any interpretations.
4. Homework 4 and Rmd
5. Homework 5 and .Rmd
6. Homework 6 and Rmd – Cleaning
   • The textbooks below may help.
     • R for Data Science – Hadley Wickham: The wrangle section particularly.
     • R Cookbook: Help with various data types
7. HW7 and Rmd

Prediction Competitions

1. “HW1a” – Prediction Competition.– .Rmd
   • My prediction: code and data
2. Predictions Competition 2 and Rmd
   • My predictions, Rmd, and data
3. Optional Predictions 3 – Sunday Cases Redux – Rmd
   • My predictions, Rmd, and data