2188 search results for "ggplot2"

xkcd Style Bubble Plot

May 23, 2013
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xkcd Style Bubble Plot

A package was recently released to generate plots in the style of xkcd using R. Being a big fan of the cartoon, I could not resist trying it out. So I set out to produce something like one of Hans Rosling’s bubble plots. First I needed some data. Spoilt for choice. I scraped some population data broken

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My Prime Sieve – Homage to Yitan Zhang

May 22, 2013
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My Prime Sieve – Homage to Yitan Zhang

# As a homage to Yitang Zhang who has proven a mind-bending property of Prime Pairs, I have written a prime Sieve to detect all of the prime numbers from 1 to N. # There might very well be a function in the base package that already does this. No...

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Analyzing a simple experiment with heterogeneous variances using asreml, MCMCglmm and SAS

May 17, 2013
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Analyzing a simple experiment with heterogeneous variances using asreml, MCMCglmm and SAS

I was working with a small experiment which includes families from two Eucalyptus species and thought it would be nice to code a first analysis using alternative approaches. The experiment is a randomized complete block design, with species as fixed effect and family and block as a random effects, while the response variable is growth

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1.5 percent of doctors, a quarter of malpratice reports

May 14, 2013
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1.5 percent of doctors, a quarter of malpratice reports

Some doctors receive more malpractice reports than others. Just how unequal is the distribution of malpractice reports? The post 1.5 percent of doctors, a quarter of malpratice reports appeared first on Decision Science News.

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SIR Model – The Flue Season – Dynamic Programming

May 14, 2013
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SIR Model – The Flue Season – Dynamic Programming

# The SIR Model (susceptible, infected, and recovered) model is a common and useful tool in epidemiological modelling.# In this post and in future posts I hope to explore how this basic model can be enriched by including different population group...

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Visualizing your websites’ ecommerce performance with R

May 14, 2013
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Visualizing your websites’ ecommerce performance with R

In this blogpost, I want to dive deeper into the explanation of the relationship between Frequency and Recency of Visits with the Conversion Rate and Average Order Value. I have used the RGA package for data extraction and Dr. Hadley Wickham’s ggplot2 package to achieve the visualizations. Here’s the data aggregation script : #transactions dataframe

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Integration take two – Shiny application

May 13, 2013
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Integration take two – Shiny application

My last post discussed a technique for integrating functions in R using a Monte Carlo or randomization approach. The mc.int function (available here) estimated the area underneath a curve by multiplying the proportion of random points below the curve by the total area covered by points within the interval: The estimated integration (bottom plot) is

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Global Indicator Analyses with R

May 13, 2013
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Global Indicator Analyses with R

I was recently asked by a client to create a large number of “proof of concept” visualizations that illustrated the power of R for compiling and analyzing disparate datasets. The client was specifically interested in automated analyses of global data. A little research led me to the WDI package. The WDI package is a tool The post Global...

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Global Indicator Analyses with R

May 13, 2013
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Global Indicator Analyses with R

I was recently asked by a client to create a large number of “proof of concept” visualizations that illustrated the power of R for compiling and analyzing disparate datasets. The client was specifically interested in automated analyses of global data. A little research led me to the WDI package. The WDI package is a tool to “search, extract and...

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Global Indicator Analyses with R

May 13, 2013
By
Global Indicator Analyses with R

I was recently asked by a client to create a large number of “proof of concept” visualizations that illustrated the power of R for compiling and analyzing disparate datasets. The client was specifically interested in automated analyses of global data. A little research led me to the WDI package. The WDI package is a tool to “search, extract and...

Read more »