I am curious as to why df[2] is not supported, while df.ix[2] and df[2:3] both work. In [26]: df.ix[2] Out...
This question already has answers here: How to filter Pandas dataframe using ‘in’ and ‘not in’ like in SQL (11 answers) Use a ...
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May 2, 2022
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I have very large tables (30 million rows) that I would like to load as a dataframes in R. read.table() has a lot ...
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May 1, 2022
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I have a Pandas Dataframe as below: itm Date Amount 67 420 2012-09-30 00:00:00 65211 68 421 2012-09-09 00:00:00 29424 69 421 2012-09-16 ...
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April 30, 2022
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I have a data frame containing a factor. When I create a subset of this dataframe using subset or another indexing function, a ...
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April 30, 2022
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Suppose I have a df which has columns of 'ID', 'col_1', 'col_2'. And I define a function : f = lambda x, y ...
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April 30, 2022
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I have constructed a condition that extract exactly one row from my data frame: d2 = df[(df['l_ext']==l_ext) & (df['item']==item) & (df['wn']==wn) & (df...
I’m running a program which is processing 30,000 similar files. A random number of them are stopping and producing this error… File "C:\Importer\src\dfman\importer.py", ...
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April 30, 2022
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This may be a simple question, but I can not figure out how to do this. Lets say that I have two variables ...
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April 30, 2022
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