In this post, I want to show how easy and quick you can explore your data and look for insights using Tableau.

With the recent changes to Google API, the ggmap library is no longer totally free to use (you can read more about it here). I was wondering what other alternatives there are in R to make not only beautiful, but useful maps with all the ggplot machinery at your hands.

In this notebook I used transfer learning to build a neural network model based on a well known CNN architecture, VGG16, that classifies with high accuracy any image of 3 popular landmarks on Columbia University in the city of New York:

Background and Project Objective

Reviews or ratings of products has become almost a mainstream tool nowadays for consumers to support their purchase decision, and retailers know this, specially online retailers. Through online reviews/rating companies can build a trusted reputation on the Internet and influence their revenue. Hence, analysis of reviews and product ratings have become an important source of information about consumer preferences.