156 search results for "heatmap"

Weekend at Bernoulli’s

June 1, 2014
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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...

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

May 27, 2014
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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...

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visualization methods in ChIPseeker

April 30, 2014
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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

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Project Tycho, Correlation between states

April 27, 2014
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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...

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The Current Golden Era of the NBA

April 18, 2014
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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...

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“Digit Recognizer” Challenge on Kaggle using SVM Classification

February 14, 2014
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“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...

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Self-Organising Maps for Customer Segmentation using R

February 3, 2014
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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

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Lyric Analytics

December 28, 2013
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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&...

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Plotly Beta: Collaborative Plotting with R

December 16, 2013
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Plotly Beta: Collaborative Plotting with R

(Guest post by Matt Sundquist on a lovely new service which is pro-actively supporting an API for R) The Plotly R graphing library  allows you to create and share interactive, publication-quality plots in your browser. Plotly is also built for …Read more »

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Processing EXIF Data

December 15, 2013
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Processing EXIF Data

I got quite inspired by the EXIF with R post on the Timely Portfolio blog and decided to do a similar analysis with my photographic database. The Data The EXIF data were dumped using exiftool. This command uses some of the powerful features of the bash shell. If you are interested in seeing more about

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