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Capri Granville
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  • Issaquah, WA
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Capri Granville's Discussions

Questions about A/B and Multivariate Testing

Started this discussion. Last reply by Prateek Baranwal Feb 6. 2 Replies

I want to test the optimum price for some items sold online. One way to do it is to set two different prices and do some A/B testing to see which price generates the most revenue, or comparing…Continue

Who is using regression models with interactions?

Started this discussion. Last reply by Andrew Reid Mar 15, 2019. 2 Replies

I believe biostatisticians use it, especially with small data sets, in the context of clinical trials, especially when using dummy variables (e.g. 0/1 for gender.) I am wondering how decision trees…Continue

AI: Miniaturization of Robots

Started this discussion. Last reply by Michael Rawson May 18, 2018. 2 Replies

Maybe this seems like science fiction, but I was wondering if some companies are developing robots that are so small, that they are about the size of a virus. You could imagine a swarm of robotic…Continue

Is it better to overpredict, or underpredict?

Started this discussion. Last reply by Prateek Baranwal Feb 6. 7 Replies

Weather predictions are notoriously difficult for the Seattle area. I have seen many instances in which snow was predicted (say 1 to 3 inches) while the actual amount was much smaller. I assume that…Continue

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Junior Editor
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Junior Editor at Data Science Central

Capri Granville's Blog

Probability: Syllabus, Cambridge University

Posted on August 23, 2020 at 1:30pm 0 Comments

Course material for Richard Weber's course on Probability for first year mathematicians at Cambridge. You can also check Richard's blog (a former colleague of my dad) here. It also includes exams question. This is the base material that needs to be mastered before being accepted in the prestigious Tripo III curriculum at Cambridge. The book (PDF) can be downloaded…


Statistical Distributions in One Picture

Posted on July 23, 2020 at 1:00pm 2 Comments

I can't find anymore where this chart, featuring relations between distributions, was first published. I remember seeing it on the Cloudera blog.

Another shorter one featuring the most useful one for statistical analysis, can be found…


Popular Programming Languages: 1960 to 2020

Posted on February 19, 2020 at 9:30pm 0 Comments

In one great video.

Enjoy the video!

Two New Free Books on Machine Learning

Posted on February 2, 2020 at 6:30am 0 Comments

Here are two great resources for machine learning and AI practitioners. Other recent free books can be found here

1. Free and Open Machine Learning Documentation

This book is all about applying machine learning solutions for real practical use cases. This means the core focus is on outlining how to use machine learning…


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At 7:07am on September 22, 2018, aman Ullah said…

Question: A researcher is interested in actual data to research in patterns and build a model for prediction. My question is that if a researcher is interested in actual data why we transform data?



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