15 lines
430 B
Python
15 lines
430 B
Python
import numpy as np
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data = np.mat([[1, 200, 105, 3, False], [2, 165, 80, 2, False],
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[3, 184.5, 120, 2, False], [4, 116, 70.8, 1, False], [5, 270, 150, 4, True]])
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coll=[]
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for row in data:
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print(row)
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coll.append(row[0,1])
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print(coll)
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print('--------------')
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print(np.sum(coll)) #数据求和
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print(np.mean(coll)) #数据求平均
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print(np.std(coll)) #数据求标准差
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print(np.var(coll)) #数据求方差 |