Positioning text by axis fraction

Question

Is there a way to position text in a figure by the fraction of the axis? I want the text in the same position for all my plots regardless of their differing ranges in x and

Answer 1

You can use the transform keyword:

import matplotlib.pyplot as plt
import numpy as np

fig = plt.figure() 
ax = fig.add_subplot(1, 1, 1)
ax.plot(np.arange(10),12*np.arange(10)) 
ax.text(0.4, 0.7, 'Correct Position', transform=ax.transAxes)

plt.show()