I wish to create a plot that uses venus (U+2640 ♀) symbol to represent females and mars (U+2642 ♂) symbol to represent males. If you have used these before, please share with me how to set them as markers in pylab.scatter()
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from matplotlib import pyplot as plt
plt.scatter(range(3), range(1,4), 200, marker=ur'$\u2640$')
plt.scatter(range(3), range(2,5), 200, marker=ur'$\u2642$')
Here you find the complete list of available symbols.