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Peter Chen's Blog – March 2015 Archive (3)

Predicting Flights Delay Using Supervised Learning, Logistic Regression

1. Introduction

In this post, we’ll use a supervised machine learning technique called logistic regression to predict delayed flights. But before we proceed, I like to give condolences to the family of the the victims of the Germanwings tragedy.

This analysis is conducted using a public data set that can be obtained here:…


Added by Peter Chen on March 29, 2015 at 6:00pm — 1 Comment

Predicting Car Prices Part 1: Linear Regression

1. Introduction:

Let’s walk through an example of predictive analytics using a data set that most people can relate to:prices of cars. In this case, we have a data set with historical Toyota Corolla prices along with related car attributes.

Let’s load in the Toyota Corolla file and check…


Added by Peter Chen on March 22, 2015 at 11:00am — 8 Comments

Predicting Car Prices Part 2: Using Neural Network

1. Introduction

This is part two of the series. In part one, we used linear regression model to predict the prices of used Toyota Corollas. There are some overlap in the materials for those just reading this post for the first time. For those who read the part 1 of the series using linear regression, then you can safely skip to the section where I applied neural networks to the same data set.

In this post, we will…


Added by Peter Chen on March 22, 2015 at 10:30am — 1 Comment


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