matplotlib legend: Including markers and lines from two different graphs in one line

Question

I\'ve been doing some linear regression and want to plot the markers (original data) and the lines (regression) on the same line in the legend. For simplicity, here\'s a fak

Answer 1

You just need to use legend a bit more directly. See Matplotlib - How to make the marker face color transparent without making the line transparent and user guide.

ax.legend([(p1, p3), (p2, p4)], ['set 1', 'set 2'])
plt.draw()