Alexander

Alexander has asked 7 questions and find answers to 408 problems.

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Python and Pandas developer for financial and investment performance analytics.

Alexander questions

automatically run %matplotlib inline in jupyter qtconsole
Why is Garbage Collection so Slow?
Pandas DataFrame.assign arguments
How to speed up pandas with cython (or numpy)
Pandas msgpack vs pickle
Python JSON encoder convert NaNs to null instead

Alexander answers

Select columns of Pandas dataframe if name is in list, or create default and drop the rest
Remove duplicate rows from DataFrame but keeping one column as list- Python
Need to output the top 3 outcomes of rolling 2 dice, which have a variable number of sides
Looping through a Truth array in python and replacing true values with components from another array
Convert a Column(str) to (Float) ,ValueError: could not convert string to float: 'Null'
Pandas: what is the data-type of object passed to the agg function
How should I check more than 10 columns for nan values and select those rows having nan values, ie keepna() instead of dropna()
How to use Pandas to take multi year average in Python
Adding two columns in Python
Pandas Dataframe Resample OHLC has wrong open price