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a.powell
  • Member for 8 years, 6 months
  • Last seen more than 2 years ago
  • South Carolina
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About

"All models are wrong; some are useful" -- George E.P. Box

Statistician by training, but always learning. I primarily work in R, enjoy modeling, and sports analytics.

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Top posts
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26
Probability of a single real-life future event: What does it mean when they say that "Hillary has a 75% chance of winning"?
Jul 24, 2016
question
23
Explanation of what Nate Silver said about loess
Jul 28, 2016
answer
6
Outlier in linear regression
Apr 17, 2017
question
4
Making a forecast: Confidence/Prediction/Tolerance Interval?
Jul 24, 2016
question
3
Sample Size Formula for Wilson Score, Clopper Pearson, and Jeffrey's
Jun 10, 2016
question
3
Simulation Using Linear Regression
Mar 21, 2017
question
3
Neural Network Loss Function for Predicted Probability
Apr 22, 2020
question
2
Prediction Interval for Loess Forecast
Jul 26, 2016
question
2
Logistic Regression for 2x2xK data
Aug 1, 2017
answer
2
Paired T test vs Wilcoxon signed-rank
Jul 26, 2016
Top network posts
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78
Extract Month and Year From Date in R
7
Matplotlib Heatmap with X, Y data
6
Merging data by 2 variables in R
5
Remove certain characters if on end of string in Pandas
5
PySpark Wait to finish in notebook (Databricks)