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aplicar-funcion-datos.py

Jan 31st, 2018
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Python 0.31 KB | None | 0 0
  1. import pandas as pd
  2. import numpy as np
  3.  
  4. df = pd.DataFrame({'uno': [1, 2, 3], 'dos': [4, 5, 6], 'tres': [7, 8, 9]}, index=['x', 'y', 'z'])
  5.  
  6. # Eleva al cuadrado todos lo elementos:
  7. print(df.applymap(lambda x: x*x))
  8.  
  9. print()
  10.  
  11. # Triplica los elementos de la columna 'dos':
  12. print(df['dos'].map(lambda x: 3 * x))
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