题解 | #鸢尾花数据某列中位数与最值#
鸢尾花数据某列中位数与最值
http://www.nowcoder.com/practice/64b09a7d22034721bc041423555157f6
import pandas as pd
import numpy as np
iris = pd.read_csv('iris.csv', sep=',')
//求对应值
a = np.mean(iris.SepalLen)
b = np.max(iris.SepalWid)
c = np.min(iris.SepalWid)
//放入对应位置
data = [[a, np.nan], [np.nan, b], [np.nan, c]]
//创建dataframe
print(pd.DataFrame(data, index=["median", "max", "min"], columns=["SepalLen","SepalWid"]).head())
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