csvのkey,indexを指定して平均を出す

import pandas as pd

df = pd.read_csv(“http://archive.ics.uci.edu/ml/machine-learning-databases/wine/wine.data”, header=None)
df.columns=[“”, “Alcohol”, “Malic acid”, “Ash”, “Alcalinity of ash”, “Magnesium”,”Total phenols”, “Flavanoids”, “Nonflavanoid phenols”, “Proanthocyanins”,”Color intensity”, “Hue”, “OD280/OD315 of diluted wines”, “Proline”]

df[“Nonflavanoid phenols”].mean()

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