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... smoking: quantifying the effect



Notes

We can calculate the effect of smoking, while keeping the age in mind.

(clean_df
  .assign(age=lambda d: np.round(d['age'] / 10) * 10)
  .groupby(['smokes', 'age'])
  .agg(p=('alive', np.mean))
  .reset_index()
  .pivot(index='age', columns='smokes', values='p')
  .assign(diff=lambda d: d[0] - d[1])['diff'].mean())

It seems that we get a +3.45% bonus to living longer if we do not smoke, but it should be said that this effect won't be noticeable unless you are of old age.

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