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

I usually solve this problem by creating dummy lines with the plot properties that I am interested in showing. However, I think @tcaswell's solution is better.

from matplotlib.lines import Line2D

def create_dummy_line(**kwds):
    return Line2D([], [], **kwds)

# your code here

# Create the legend
lines = [
    ('name A', {'color': 'red', 'linestyle': '-', 'marker': 'o'}),
    ('name B', {'color': 'blue', 'linestyle': '-', 'marker': 'o'}),
]
ax.legend(
    # Line handles
    [create_dummy_line(**l[1]) for l in lines],
    # Line titles
    [l[0] for l in lines],
    loc='center right'
)