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python - Matplotlib - Grouping Dataframe values and adding them to the X Axis within a certain range


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Basically, you want to do an "interplolation". You can use scipy.interpolate.interp1d:

from scipy.interpolate import interp1d
import matplotlib.pyplot as plt

#I assume your data is in a pandas Series named ser
inter = interp1d([ser.min(), ser.max()], [1,10])
y = range(1,5)

plt.barh(y, inter(ser))
plt.yticks(y)
plt.show()

enter image description here


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