create type pddesctype as(
    count float,
    mean float,
    std float,
    min float
);

create function pddesc(x numeric[])
returns pddesctype
as $$
    import pandas as pd
    data=pd.Series(x)

    count=data.describe()[0]
    mean=data.describe()[1]
    std=data.describe()[2]
    min=data.describe()[3]

    return count, mean, std, min

$$ language plpython3u;