158 search results for "heatmap"

Identifying Pathways in the Consumer Decision Journey: Nonnegative Matrix Factorization

June 13, 2014
By
Identifying Pathways in the Consumer Decision Journey: Nonnegative Matrix Factorization

The Internet has freed us from the shackles of the yellow page directory, the trip to the nearby store to learn what is available, and the forced choice among a limited set of alternatives. The consumer is in control of their purchase journey and can t...

Read more »

The luckiest team in the NBA

June 8, 2014
By
The luckiest team in the NBA

While the NBA finals are in full swing and the two best teams are battling it out for the ultimate prize, another 28 are now in summer vacation. In order to achieve their goal of still playing this time next year, teams often look to improve their roster through trades, player development, and most importantly, the

Read more »

Weekend at Bernoulli’s

June 1, 2014
By
Weekend at Bernoulli’s

I have been doing some background reading on group sequential trials for an upcoming project. One of the papers I came across in terms of the required numerical methods is "Repeated Significance Tests on Accumulating Data" (Armitage, et al, 1969). In t...

Read more »

Towards (Yet) Another R Colour Palette Generator. Step One: Quentin Tarantino.

May 27, 2014
By
Towards (Yet) Another R Colour Palette Generator. Step One: Quentin Tarantino.

Why?I love colours, I love using colours even more. Unfortunately, I have to admit that I don't understand colours well enough to use them properly. It is the same frustration that I had about one year ago when I first realised that I couldn't plot anything better than the defaults in Excel and Matlab! It...

Read more »

visualization methods in ChIPseeker

April 30, 2014
By
visualization methods in ChIPseeker

After two weeks developed, I have added/updated some plot functions in ChIPseeker (version >=1.0.1). ChIP peaks over Chromosomes Read More: 936 Words Totally

Read more »

Project Tycho, Correlation between states

April 27, 2014
By
Project Tycho, Correlation between states

In this fourth post on Measles data I want to have a look at correlation between states. As described before, the data is from Project Tycho, which contains data from all weekly notifiable disease reports for the United States dating back to 1888...

Read more »

The Current Golden Era of the NBA

April 18, 2014
By
The Current Golden Era of the NBA

We are in the midst of what many are calling a "golden age" of the NBA.  Being in the midst of a time where attention to the sport has seemingly increased is difficult to quantify.  For most people who have had an interest in the NBA over a l...

Read more »

“Digit Recognizer” Challenge on Kaggle using SVM Classification

February 14, 2014
By
“Digit Recognizer” Challenge on Kaggle using SVM Classification

This article is about the “Digit Recognizer” challenge on Kaggle. You are provided with two data sets. One for training: consisting of 42’000 labeled pixel vectors and one for the final benchmark: consisting of 28’000 vectors while labels are not … Continue reading → The post “Digit Recognizer” Challenge on Kaggle using SVM Classification appeared first on...

Read more »

Self-Organising Maps for Customer Segmentation using R

February 3, 2014
By
Self-Organising Maps for Customer Segmentation using R

Self-Organising Maps (SOMs) are an unsupervised data visualisation technique that can be used to visualise high-dimensional data sets in lower (typically 2) dimensional representations. In this post, we examine the use of R to create a SOM for customer segmentation. The figures shown here used use the 2011 Irish Census information for the greater Dublin

Read more »

Lyric Analytics

December 28, 2013
By
Lyric Analytics

I was messing around with the text mining (tm) package in R and was thinking of something I could comb through.  I looked through some other blogs and websites to see how they were using it:  mining through presidential speeches debates&...

Read more »