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Cross Validated
Christopher John's user avatar
Christopher John's user avatar
Christopher John's user avatar
Christopher John
  • Member for 7 years, 3 months
  • Last seen more than 3 years ago
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About

I am a data scientist and developer of computer algorithms for cluster analysis (https://github.com/crj32).

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Top posts
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All Questions Answers
Score Newest
answer
2
How to find the optimal number of clusters for spectral clustering using similarity matrix in scikit learn
Jul 1, 2018
answer
2
What is "baseline" in precision recall curve
Oct 20, 2019
answer
2
Binary metric for an unknown, but highly imbalanced, data ratio?
Nov 4, 2019
answer
2
Model Validation Through Bootstrapping Optimism; p >>> n
Feb 18, 2020
answer
1
performance measure suited for imbalanced classes and robust towards changing class ratios
Oct 8, 2019
answer
1
ROC Curve Horizontal Line
Oct 10, 2019
answer
1
How to compute confidence interval for leave-one-out cross-validated AUC that is also repeated many times?
Oct 12, 2019
question
0
Do I want pnorm or one sample t-test?
Nov 14, 2019
answer
0
Does oversampling/undersampling change the distribution of the data?
Oct 19, 2019
answer
0
What is the advantage of using precision and recall metrics in classification?
Oct 21, 2019
Top network posts
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373
Center Plot title in ggplot2
9
How to compute ROC and AUC under ROC after training using caret in R?
7
Notation for fractions (divides by or over) in R and ggplot2

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