Question or problem about Python programming: The Python library pandas can read Excel spreadsheets and convert them to a pandas.DataFrame with pandas.read_excel(file) command. Under the hood, it uses xlrd library which does not support ods files.
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Question or problem about Python programming: I have dataframe in Pandas for example: Col1 Col2 A 1 B 2 C 3 Now if I would like to add one more column named Col3 and the value is based on Col2. In formula, if Col2 > 1, then Col3 is 0, otherwise would be 1. So, […]
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Question or problem about Python programming: It is quite easy to add many pandas dataframes into excel work book as long as it is different worksheets. But, it is somewhat tricky to get many dataframes into one worksheet if you want to use pandas built-in df.to_excel functionality.
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Question or problem about Python programming: I have a Pandas dataframe and I want to find all the unique values in that dataframe…irrespective of row/columns. If I have a 10 x 10 dataframe, and suppose they have 84 unique values, I need to find them – Not the count.
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Question or problem about Python programming: I have a dataframe, df, that has some columns of type float64, while the others are of object. Due to the mixed nature, I cannot use
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Question or problem about Python programming: I am able to read and slice pandas dataframe using python datetime objects, however I am forced to use only existing dates in index. For example, this works:
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Question or problem about Python programming: I have downloaded some datas as a sqlite database (data.db) and I want to open this database in python and then convert it into pandas dataframe.
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Question or problem about Python programming: There’s a DataFrame in pyspark with data as below:
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Question or problem about Python programming: I want to apply a lambda function to a DataFrame column using if…elif…else within the lambda function.
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Question or problem about Python programming: I have a DataFrame df like the following (excerpt, ‘Timestamp’ are the index):
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