Python求数据集的四分位点
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1 方法一:np.quantile
Q1 = np.quantile(Sample[:,-2:],0.25, axis=0)
Q3 = np.quantile(Sample[:,-2:],0.75, axis=0)
print(Q1)
print(Q3)
IQR = Q3 - Q1
print(IQR)

2 方法二:np.percentile
print(np.percentile(Sample[:,-2], 25), np.percentile(Sample[:,-1], 25))
print(np.percentile(Sample[:,-2], 75), np.percentile(Sample[:,-1], 75))
print(np.percentile(Sample[:,-2], 75)-np.percentile(Sample[:,-2], 25))
print(np.percentile(Sample[:,-1], 75)-np.percentile(Sample[:,-1], 25))

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