Andy L.

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Andy L. has asked 4 questions and find answers to 107 problems.

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Andy L. questions

set_index of multiindex columns without using tuples
what is different between groupby.first, groupby.nth, groupby.head when as_index=False
Why pd.to_numeric `errors=''` is equivalent to `errors='coerce'`
__get__ of descriptor __class__ of object class doesn't return as expected

Andy L. answers

Numpy: Find index of second highest value in each row of an ndarray
How do I merge 2 dataframes based on whether values fall into a particular bucket?
Pandas return value from multiple columns if equal to value in another column
Pandas: How to conditionally sum values in two different dataframes
pandas multindex choose/drop rows based on second column
replacing null values in the whole dataframe based on values in one column
Removing the first rows before a specific value - pandas
Convert a column which contains pandas Series to features [duplicate]
Find pairs of matching values using pandas vectors function
Preserving dtypes when extracting a row from a pandas DataFrame