plotData.m

function plotData(x, y)
%PLOTDATA Plots the data points x and y into a new figure 
%   PLOTDATA(x,y) plots the data points and gives the figure axes labels of
%   population and profit.

% Plot the training data into a figure using the "figure" and 
% "plot" commands. Set the axes labels using the "xlabel" and 
% "ylabel" commands. Assume the population and revenue data 
% have been passed in as the x and y arguments of this function.

figure; % open a new figure window

plot(x, y, 'rx', 'MarkerSize', 10);      % Plot the data
ylabel('Profit in $10,000s');            % Set the y-axis label
xlabel('Population of City in 10,000s'); % Set the x-axis label

end