Created
October 10, 2017 12:33
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| import numpy as np | |
| from matplotlib import pyplot as plt | |
| def polyfit_plot(x, y, p=1): | |
| plt.scatter(x, y) | |
| axes = plt.gca() | |
| coeff = np.polyfit(x, y, p) | |
| X_plot = np.linspace(axes.get_xlim()[0],axes.get_xlim()[1],100) | |
| print (np.corrcoef(x,y)[0,1]) | |
| Y_plot = 0 | |
| for c in coeff: | |
| Y_plot = X_plot*Y_plot + c | |
| plt.plot(X_plot, Y_plot, '-') |
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