Alex Riley

Alex Riley has asked 2 questions and find answers to 397 problems.

Stats

About

Software engineer working in bioinformatics/drug-discovery.

Alex Riley questions

Python statement: sometimes True, sometimes False. Why?
How should I selectively sum multiple axes of an array?

Alex Riley answers

Find difference between 2 columns with Nulls using pandas
Python: creating a covariance matrix from lists
Split pandas column into new columns in presence of NaN
Calculating Kendall's tau using scipy and groupby
Python: Check whether one element is between two other elements
elif block not executing in Python
Pandas: dropping all columns with nans, 0, and NA from DataFrame
Why doesn't numpy allow array multiplication by scalars?
Manipulating array elements in NumPy
pandas group by sum of column size