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Capri Granville
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  • Issaquah, WA
  • United States
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Capri Granville's Discussions

Questions about A/B and Multivariate Testing

Started this discussion. Last reply by Sandy Ayer Jun 15. 1 Reply

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. 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 Frank Raulf Jun 4. 6 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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Latest Activity

Naveen Kumar liked Capri Granville's blog post Lecture Notes by Andrew Ng : Full Set
11 hours ago
Anthony Fiedler liked Capri Granville's blog post Interesting Type of Chart: Hexagonal Binning
Tuesday
Mehmet Gökce liked Capri Granville's blog post Free Book: Foundations of Data Science (from Microsoft Research Lab)
Saturday
Carlos Cárdenas Olivares liked Capri Granville's blog post Free Book: Statistics, Dataviz, and Data Cleaning with R
Jun 18
Pavinee Jaturapisanukul liked Capri Granville's blog post Free Book: Statistics, Dataviz, and Data Cleaning with R
Jun 18
Sandy Ayer replied to Capri Granville's discussion Questions about A/B and Multivariate Testing
"Capri, The technique used by leading market research professionals to solve the problems you are describing is called conjoint or discrete choice analysis.  Here is a brief example of the type of problem conjoint analysis helps…"
Jun 15
Capri Granville's blog post was featured

Free Book: Statistics, Dataviz, and Data Cleaning with R

I stumbled upon this book by chance, when searching for material about time series (probably the most interesting chapter in this collection.) The various chapters are accessible from the top tabs, on this web page. It is mostly about R, but it has a few interesting chapters on statistical science too. Below is a…See More
Jun 15
Lance Norskog commented on Capri Granville's blog post Interesting Type of Chart: Hexagonal Binning
"An octagonal-square tesselation has N octagons and N squares, but the octagons have larger areas. This would allow a chart that displays two different quantities per geo point. Like a complex number."
Jun 13
George Zipperlen liked Capri Granville's blog post Interesting Type of Chart: Hexagonal Binning
Jun 13
Mirio De Rosa liked Capri Granville's blog post Lecture Notes by Andrew Ng : Full Set
Jun 10
Capri Granville's blog post was featured

Interesting Charts and Maps Obtained Using Census Data

I found an interesting websites featuring hundreds of charts derived from US census data. It shows contrasts between states, cities, regarding education, jobs, languages spoken, salaries, even discrepencies between men and women or Asians and Caucasians, regarding various metrics broken down by location, education, or other criteria. I selected four of these charts.…See More
Jun 10
Panarat Srirattanasak liked Capri Granville's blog post Lecture Notes by Andrew Ng : Full Set
Jun 9
Capri Granville posted a discussion

Questions about A/B and Multivariate Testing

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 user-customized versus flat prices, using Thompson sampling, the Taguchi method  or…See More
Jun 9
Capri Granville's 2 blog posts were featured
Jun 9
Norberto J. Sanchez liked Capri Granville's blog post Lecture Notes by Andrew Ng : Full Set
Jun 9
Nishikant Nipane liked Capri Granville's blog post Upcoming Book: Foundations of Data science
Jun 6

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Capri Granville's Blog

Interesting Charts and Maps Obtained Using Census Data

Posted on June 10, 2019 at 5:00pm 0 Comments

I found an interesting websites featuring hundreds of charts derived from US census data. It shows contrasts between states, cities, regarding education, jobs, languages spoken, salaries, even discrepencies between men and women or Asians and Caucasians, regarding various metrics broken down by location, education, or other criteria. I selected four of these charts.…

Continue

Interesting Type of Chart: Hexagonal Binning

Posted on June 9, 2019 at 8:00am 1 Comment

This chart communicates the same insights as a contour plot. What is interesting is the choice of hexagonal buckets (rather than squares) to aggregate data. In fact, any tessellation would work, in particular Voronoi tessellations.…

Continue

Upcoming Book: Foundations of Data science

Posted on May 23, 2019 at 9:00am 0 Comments

Not to be confused with this free Microsoft book with same title.

Data science underlies Amazon's product recommender, LinkedIn's People You Know feature, Pandora's personalized radio stations, Stripe's fraud detectors, and the incredible insights arising from the world's increasingly ubiquitous sensors. In the future,…

Continue

Free Book: Statistics, Dataviz, and Data Cleaning with R

Posted on May 23, 2019 at 9:00am 0 Comments

I stumbled upon this book by chance, when searching for material about time series (probably the most interesting chapter in this collection.) The various chapters are accessible from the top tabs, on this web page. It is mostly about R, but it has a few interesting chapters on statistical science too. Below is a…

Continue

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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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