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In [1]: import pandas as pd gl=pd.read_csv('./Titanic_Data-master/Titanic_Data-master/train.csv') gl.head() Out[1]: In [1]: import pandas as pd gl=pd. 阅读全文
posted @ 2019-10-15 17:17
karina512
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1.魔法指令:%matplotlib inline ；数据画图 In [1]: %matplotlib inline import pandas as pd In [2]: import numpy as np s=pd.Series(np.random.randn(10),index=np.ara 阅读全文
posted @ 2019-10-15 17:16
karina512
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1.指定倒序的索引 In [1]: import pandas as pd import numpy as np s=pd.Series(np.arange(5),index=np.arange(5)[::-1],dtype='int64')#index=np.arange(5),指定索引范围；[: 阅读全文
posted @ 2019-10-15 17:15
karina512
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In [1]: import pandas as pd import numpy as np s=pd.Series(['A','b','B','gaer','AGER',np.nan]) s Out[1]: 0 A 1 b 2 B 3 gaer 4 AGER 5 NaN dtype: object 阅读全文
posted @ 2019-10-15 17:14
karina512
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In [1]: import pandas as pd import numpy as np df=pd.DataFrame({'A':['foo','bar','foo','bar', 'foo','bar','foo','foo'], 'B':['one','one','two','three' 阅读全文
posted @ 2019-10-15 17:13
karina512
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