Randy Olson

Randy Olson has asked 25 questions and find answers to 6 problems.

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About

Data tinkerer. Specialize in Machine Learning, Data Science, AI, and Data Visualization. Community leader for /r/DataIsBeautiful. Open Science advocate. He/him.

Randy Olson questions

grouped pandas DataFrames: how do I apply scipy.stats.sem to them?
Why is this MySQL query with the NOT IN statement so slow?
Averaging data from multiple data files in Python with pandas
What are effective preprocessing methods for reducing data set size (e.g., removing records) without losing information for machine learning problems?
Is there an easy way to prune disconnected networks in a NetworkX graph?
PRAW: How to get a reddit comment object with just the comment ID?
Initializing 2D lists in Python: How to make deep copies of each row?
Python statistics package(s) for bootstrapping confidence intervals and non-parametric multiple dataset comparisons
Multiple pipelines that merge within a sklearn Pipeline?
What is a good heuristic to detect if a column in a pandas.DataFrame is categorical?

Randy Olson answers

Is there an easy way to prune disconnected networks in a NetworkX graph?
PRAW: How to get a reddit comment object with just the comment ID?
Python statistics package(s) for bootstrapping confidence intervals and non-parametric multiple dataset comparisons
How to tune parameters in Random Forest, using Scikit Learn?
Categorical Data with tpot