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Understanding the problem statement
Importing a training dataset and testing
Installing necessary libraries and understanding its use
What is Data Munging
Visualization using Barplot
Visualization using Histogram
What is Gaussian distribution and how to visualize it
Visualizing distribution of other variables using ggplot
Creating a subset of variables to categorize them into similar types
Visualizing categorical variables using piechart
Converting categorical into numerical types
Data imputation for NA values
Feature engineering (creating new features from existing feature)
Cosine similarity and how does it works
Convert the data to dot product in a matrix format
Calculation of cosine similarities of users and coupons
Order the list of coupons according to similairties
Making final predictions and saving it into CSV format
Recruit Ponpare is Japan's leading joint coupon site, offering huge discounts on everything from hot yoga, to gourmet sushi, to a summer concert bonanza. Ponpare's coupons open doors for customers they've only dreamed of stepping through. They can learn difficult to acquire skills, go on unheard of adventures, and dine like (and with) the stars.
Using past purchase and browsing behavior, this competition asks you to predict which coupons a customer will buy in a given period of time. The resulting models will be used to improve Ponpare's recommendation system, so they can make sure their customers don't miss out on their next favorite thing.