calvdee/coursera-data-sci

Solutions to the Introduction to Data Science Coursera course problems.

Coursera Introduction to Data Science Solutions

My solutions for the Introduction to Data Science Coursera course.

Assignment 1 - Twitter Sentiment Analysis in Python

Complete Twitter sentiment analysis that involves collecting data from the Twitter API and computing sentiment or "mood" scores from the tweets.

Assignment 2 - Relational Databases, Relational Algebra

Complete Implementing different relational algebra operations, keyword search using a term document matrix and matrix multiplication all using SQL.

Assignment 3 - Map Reduce

Complete Using a mock implementation of MapReduce (written in Python) to complete various tasks that are good use-cases for this large-scale data processing programming model. Includes joins, DNA sequence trimming, and matrix multiplication.