2292 search results for "ggplot"

i Before e Except After c

March 26, 2013
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i Before e Except After c

When I went to school we were always taught the “i before e, except after c” rule for spelling. But how accurate is this rule? Kevin Marks tweeted today the following: »@uberfacts: There are 923 words in the English language that break the “I before E” rule. Only 44 words actually follow that rule.« Science— Kevin Marks (@kevinmarks)

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R – Defining Your Own Color schemes for HeatMaps

March 25, 2013
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R – Defining Your Own Color schemes for HeatMaps

This post is intended at those who are beginners at R, and is inspired by a small post in Martin's bioblog.First, we plot a "correlation heatmap" using the same logic that Martin uses. In our example, let's use the Movies dataset that comes with ggplot...

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Introduction to Simulation using R

March 23, 2013
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Introduction to Simulation using R

We had a great turnout yesterday for our Zero to R Hero workshop at the Quebec Centre for Biodiversity Science. We went from the absolute basics of the command line, to the intricacies of importing data, and finally we had a look at plotting using ggplot2. We didn’t have time to get to this extra module

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Predicting who will win a NFL match at half time

March 23, 2013
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Predicting who will win a NFL match at half time

It was great to have a little break, Spring break, although the weather didn’t feel like spring at all! During the early part of the break I worked on my final project for Jeff Leek’s data analysis class, which we call 140.753 here. Continuing my previous posts on the topic, this time I’ll share the results of my...

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Data visualisation talk: Presentation using reports package

March 21, 2013
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Data visualisation talk: Presentation using reports package

Why I used html5 for my today’s talk?   My last presentation was in html5. This time I wanted to do my slides in something new.  I prepared  first few slides in Jessyink. Then I got to know that my friend … Continue reading →The post Data visualisation talk: Presentation using reports package appeared first on Fiddling...

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NCAA Basketball Visualization

March 20, 2013
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NCAA Basketball Visualization

It is time for the NCAA Basketball Tournament. Sixty-four teams dream big (er…I mean 68…well actually by now, 64) and schools like Iona and Florida Gulf Coast University (go Eagles!) are hoping that Robert Morris astounding victory in the N.I.T. … Continue reading →

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Violin plots and regional income distribution

March 20, 2013
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Violin plots and regional income distribution

While preparing my slides for statistical graphics, a plot really caught my eye when I was playing around with the data. I started off by plotting the time seriesof GNI per capita by country, and as expected it got quite messy and...

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Optimal Meeting Point on the Paris Metro

March 20, 2013
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tl;dr: Play with the app here When you live in Paris, chances are you are (home or work) very close to a metro station, so when you want to meet with some friends, you usually end up picking another metro station as a meeting point. Yet, finding the optimal place to meet can easily become a complex problem considering...

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Behavioral Economics and Beer… highly correlated

March 19, 2013
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Behavioral Economics and Beer… highly correlated

Short: I plot the frequency of wikipedia searches of “Behavioral Economics”, and “Beer” – who knew the correlation would be 0.7! Data reference:Data on any wikipedia searches (back to 2007) are available at http://glimmer.rstudio.com/pssguy/wikiSearchRates/. The website allows you to download frequency hits per day as a csv, which is what I've done here....

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Animating neural networks from the nnet package

March 19, 2013
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Animating neural networks from the nnet package

My research has allowed me to implement techniques for visualizing multivariate models in R and I wanted to share some additional techniques I’ve developed, in addition to my previous post. For example, I think a primary obstacle towards developing a useful neural network model is an under-appreciation of the effects model parameters have on model

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