07 2021 档案
摘要:已信任 Jupyter 服务器: 本地 Python 3: Not Started [7] import pandas as pd import numpy as np UsageError: unrecognized arguments: 设置这行代码,显示 [4] df = pd.DataFra
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摘要:已信任 Jupyter 服务器: 本地 Python 3: Not Started [1] import pandas as pd import numpy as np [2] # 设置时间差,通过字符串 timefiff = pd.Timedelta('2 days 2 hours 15 minu
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摘要:已信任 Jupyter 服务器: 本地 Python 3: Not Started [1] import pandas as pd import numpy as np [3] # 创建日期,频率默认为天 dataList = pd.date_range('2020-01-01',periods=5
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摘要:已信任 Jupyter 服务器: 本地 Python 3: Not Started [1] import pandas as pd import numpy as np [2] one = pd.DataFrame({ 'name':['alex','xm','xh','lc','ll'], 'su
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摘要:已信任 Jupyter 服务器: 本地 Python 3: Not Started [1] import pandas as pd import numpy as np [6] yuwen = pd.DataFrame({ 'id':[1,2,3,4,5], 'name':['小明','小敏','小
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摘要:已信任 Jupyter 服务器: 本地 Python 3: Not Started [1] import pandas as pd import numpy as np [7] df = pd.DataFrame({ 'user':['小明','小黑','小黄','小李'], 'gender':['
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摘要:已信任 Jupyter 服务器: 本地 Python 3: Not Started [1] import pandas as pd import numpy as np [3] df = pd.DataFrame(np.random.randn(5,3),index=['a','b','e','f'
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摘要:pd的df中已经可以根据列名获取数据了,为什么还需要列名的下标呢?特殊要求呗
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摘要:已信任 Jupyter 服务器: 本地 Python 3: Not Started [1] import pandas as pd import numpy as np [6] df = pd.DataFrame(np.random.randn(10,4), index=pd.date_range(
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摘要:已信任 Jupyter 服务器: 本地 Python 3: Not Started [1] import pandas as pd import numpy as np [3] df = pd.DataFrame(np.random.randn(10,4)) df 0 1 2 3 0 -0.1677
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摘要:已信任 Jupyter 服务器: 本地 Python 3: Not Started [60] import pandas as pd import numpy as np [61] s = pd.Series([877,865,874,890,912]) s 0 877 1 865 2 874 3
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摘要:已信任 Jupyter 服务器: 本地 Python 3: Not Started [36] import pandas as pd import numpy as np [37] # .loc基于标签 # .iloc基于索引 [39] df = pd.DataFrame(np.random.ran
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摘要:已信任 Jupyter 服务器: 本地 Python 3: Not Started [13] import pandas as pd import numpy as np [15] s = pd.Series([' Tom',' xiaoming','john ']) s 0 Tom 1 xiaom
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摘要:已信任 Jupyter 服务器: 本地 Python 3: Not Started [4] import pandas as pd import numpy as np df = pd.DataFrame({ 'date':pd.date_range(start='20210714',periods
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摘要:已信任 Jupyter 服务器: 本地 Python 3: Not Started [11] import pandas as pd import numpy as np [13] df = pd.DataFrame({ 'a':pd.date_range(start='2021-07-14', p
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摘要:已信任 Jupyter 服务器: 本地 Python 3: Not Started [1] import pandas as pd import numpy as np [4] # 表格函数的自定义 # 将df中所有的元素加2 def add(ele1,ele2): return ele1+ele2
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摘要:已信任 Jupyter 服务器: 本地 Python 3: Not Started [1] import pandas as pd import numpy as np [4] d = { 'name':pd.Series(['小明','小黑','小红']), 'age':pd.Series([12
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摘要:已信任 Jupyter 服务器: 本地 Python 3: Idle [2] import pandas as pd import numpy as np [-] [3] # pd.DataFrame(data,index,columns,dtype) # 创建空的DataFrame df = pd
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摘要:已信任 Jupyter 服务器: 本地 Python 3: Not Started import pandas as pd import numpy as np # pd.Series(data,index,dtype,copy) # data->数据,np.ndarry,list,constant
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摘要:import pandas as pd import numpy as np s = pd.Series([1,2,3,4,np.nan,6,8]) s 0 1.0 1 2.0 2 3.0 3 4.0 4 NaN 5 6.0 6 8.0 dtype: float64 1 dates = pd.dat
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摘要:nn.Sequential()定义网络简单高效,可以写死,可以自动添加add_module 参考链接:pytorch中的add_module函数 - 蒙面的普罗米修斯 - 博客园 (cnblogs.com) pytorch nn.Sequential()动态添加方法 - 慢行厚积 - 博客园 (cn
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摘要:最近真的要被lstm整蒙了,一直理解不了,比如要3预测1,那么这个1怎么体现呢?? https://stackoverflow.com/questions/62204109/return-sequences-false-equivalent-in-pytorch-lstm Pytorch: http
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