Programming Exercise 1: Linear Regression

In this exercise, you will implement linear regression and get to see it work on data. Files included in this exercise ex1.m - Octave/MATLAB script that steps you through the exercise ex1 multi.m - Octave/MATLAB script for the later parts of the exercise ex1data1.txt - Dataset for linear regression with one variable ex1data2.txt - Dataset for linear regression with multiple variables submit.m - Submission script that sends your solutions to our servers warmUpExercise.m - Simple example function in Octave/MATLAB plotData.m - Function to display the dataset computeCost.m - Function to compute the cost of linear regression gradientDescent.m - Function to run gradient descent computeCostMulti.m - Cost function for multiple variables gradientDescentMulti.m - Gradient descent for multiple variables featureNormalize.m - Function to normalize features normalEqn.m - Function to compute the normal equations