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training.python.datascience/source/pandas/pandas_01_columns.py

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Python

import pandas as pd
from pandas import DataFrame
from source.pandas import get_dataframe
if __name__ == '__main__':
data: DataFrame = get_dataframe()
data["height_cm"] = data["height"].map(lambda h: h * 2.54)
print(data.groupby("sex").quantile([0.5], numeric_only=True))
means = data.groupby("sex").mean(["height", "earn"])
means["height_cm"] = means["height"].map(lambda h: h * 2.54)
stdevs = data.groupby("sex").std(numeric_only=True)
stdevs["height_cm"] = stdevs["height"].map(lambda h: h * 2.54)
print(data)
print(means)
print(stdevs)