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Brian B
Brian B has asked
9
questions and find answers to
2
problems.
Stats
103
EtPoint
20
Vote count
9
questions
2
answers
About
Worked in a lot of quant areas
Brian B questions
Pivoting pandas DataFrame -- AssertionError: Index length did not match values
Return rows matching elements of input array in plpgsql function
Collapsing a data.frame to a data.frame -- problems with by() and aggregate()
Slick way to count NULL and non-NULL rows?
How to make a numpy recarray with datatypes (datetime,float)?
How to get something like Matplotlib's symlog scale in ggplot or lattice?
How to prefer `defaults` numpy over `conda-forge` numpy when installing `conda-forge` package
Brian B answers
Example of how to use PyLZMA
Copying a table using psycopg2 copy_from and copy_expert?
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