piRSquared top 0.01% this month
Senior Research Analyst at Russell Investments
Finance professional turned python/pandas enthusiast.
Focus on NumPy
- cumulative count within groups
- cumulative max and min within groups
- asymmetrical delta clusters
- fast correlation using closures
- two sided searching
- coskew & cokurtosis
My Favorite Answers
- dataframe rolling iterator
- active drawdown
- converting array of zeros and ones to integer representations
- SettingWithCopyWarning
- Colorful DataFrames
- Temporal Window Regularization
- This should be generalizable to multiple spatial dimensions.
- Fast Exploding
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- Bellevue, WA, United States
- pirsquared
- linkedin.com/in/piRSqrd
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