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John Colby's user avatar
John Colby's user avatar
John Colby's user avatar
John Colby
  • Member for 13 years, 1 month
  • Last seen more than 2 years ago
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About

I did my MD and PhD training at UCLA. My PhD research was in the departments of Neurology and Biomedical Engineering, and focused on the field of developmental neuroscience. We use MRI to study how the brain develops structurally, and how this relates to our developing cognitive abilities.

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Top posts
question
21
Use of standard error of bootstrap distribution
Feb 8, 2012
question
13
SVM with unequal group sizes in training data
Nov 5, 2011
answer
9
How can I make my R nls model more stable?
Oct 14, 2011
answer
8
Are there examples of R packages changing dramatically between version such that the results of a statistical function were significantly different?
Oct 17, 2011
answer
5
What are the "hot algorithms" for machine learning?
Oct 18, 2011
answer
4
How to calculate a confidence Interval for a mean of subjects from two sessions?
Oct 18, 2011
answer
3
Bootstrap variables correlation in R
Oct 17, 2011
answer
3
How to explain linear mixed models to laypeople?
Oct 18, 2011
answer
2
Problem printing greyscale or B&W ggplot2 images
Oct 18, 2011
Top network posts
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563
Sample random rows in dataframe
322
Emulate ggplot2 default color palette
42
SVM equations from e1071 R package?
35
Colorbar from custom colorRampPalette
34
ggplot2: Multiple color scales or shift colors systematically on different layers?