170 search results for "heatmap"

Contextual Measurement Is a Game Changer

December 22, 2014
By
Contextual Measurement Is a Game Changer

Adding a context can change one's frame of reference:Are you courteous? Are you courteous at work? Decontextualized questions tend to activate a self-presentation strategy and retrieve memories of past positioning of oneself (impression manag...

Read more »

A New Volatility Strategy, And A Heuristic For Analyzing Robustness

December 4, 2014
By
A New Volatility Strategy, And A Heuristic For Analyzing Robustness

This post is motivated by a discussion that arose when I tested a strategy by Frank of Trading The Odds … Continue reading →

Read more »

Trading The Odds Volatility Risk Premium: Addressing Data Mining and Curve-Fitting

November 19, 2014
By
Trading The Odds Volatility Risk Premium: Addressing Data Mining and Curve-Fitting

Several readers, upon seeing the risk and return ratio along with other statistics in the previous post stated that the … Continue reading →

Read more »

Introducing Stepwise Correlation Rank

October 27, 2014
By
Introducing Stepwise Correlation Rank

So in the last post, I attempted to replicate the Flexible Asset Allocation paper. I’d like to offer a thanks … Continue reading →

Read more »

Modeling Plenitude and Speciation by Jointly Segmenting Consumers and their Preferences

October 21, 2014
By
Modeling Plenitude and Speciation by Jointly Segmenting Consumers and their Preferences

In 1993, when music was sold in retail stores, it may have been informative to ask about preference across a handful of music genre. Today, now that the consumer has seized control and the music industry has responded, the market has exploded into more...

Read more »

Twitter Pop-up Analytics

October 20, 2014
By
Twitter Pop-up Analytics

IntroductionSo I've been thinking a lot lately. Well, that's always true. I should say, I've been thinking a lot lately about the blog. When I started this blog I was very much into the whole quantified self thing, because it was new to me, I liked the...

Read more »

TURF Analysis: A Bad Answer to the Wrong Question

September 29, 2014
By
TURF Analysis: A Bad Answer to the Wrong Question

Now that R has a package performing Total Unduplicated Reach and Frequency (TURF) Analysis, it might be a good time to issue a warning to all R users. DON'T DO IT!The technique itself is straight out of media buying from the 1950s. Given some number of...

Read more »

How to publish R and ggplot2 to the web

September 23, 2014
By
How to publish R and ggplot2 to the web

by Matt Sundquist, Plotly Co-founder It's delightfully smooth to publish R code, plots, and presentations to the web. For example: Shiny makes interactive apps from R. Pretty R highlights R code for HTML. Slidify makes slides from R Markdown. Knitr and RPubs let you publish R Markdown docs. GitHub and devtools let you quickly release packages and collaborate. Now,...

Read more »

In case you missed it: August 2014 Roundup

September 5, 2014
By

In case you missed them, here are some articles from August of particular interest to R users: R is the most popular software in the KDNuggets poll for the 4th year running. The frequency of R user group meetings continues to rise, and there are now 147 R user groups worldwide. A video interview with David Smith, Chief Community...

Read more »

Attention Is Preference: A Foundation Derived from Brand Involvement Segmentation

September 1, 2014
By
Attention Is Preference: A Foundation Derived from Brand Involvement Segmentation

"A wealth of information creates a poverty of attention."Herbert SimonWe categorize our world so that we can ignore most of it. In order to see figure, everything else must become ground. Once learned, the process seems automatic, and we forget how har...

Read more »