Posts Tagged ‘ Data Visualization ’

Using R — A Script Introduction to R

October 17, 2012
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To many people, R is like the Everglades. They’ve heard of it, they know it’s big and has amazing treasures deep inside. Articles in the media can make it look irresistible. But after a personal or even second hand experience …  &#16...

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Automatic drug utilization reports with R and ggplot2

September 18, 2012
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Automatic drug utilization reports with R and ggplot2

This program takes a data set of drug utilisation of 4 fictional drugs in 10 fictional hospitals and plots each time-series with a locally weighted regression (Lowess) trend line. It also places an time-series trend of the usage for each … Continue reading →

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Learning R has really made me appreciate SAS

July 25, 2012
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For the past 18 months, it seems like all I’ve heard about in the digital marketing industry is “big data”, and with that, mentions of using Hadoop and R to solve these sorts of problems.  Why are these tools the … Continue reading →Learning R has really made me appreciate SAS is an article from randyzwitch.com,...

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ggplot2: Creating a custom plot with two different geoms

June 9, 2012
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ggplot2: Creating a custom plot with two different geoms

This past week for work I had to create some plots to show the max, min, and median of a measure across the levels of a qualitative variable, and show the max and min of the same variable within a … Continue reading →

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Are scatterplots too complex for lay folks?

May 23, 2012
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Are scatterplots too complex for lay folks?

Usually, I like to write about the solutions to problems I’ve had, but today I only have a problem to write about. This is the second research job I’ve had outside of academia, and in both cases I’ve met with … Continue reading →

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Bar Graph Colours That Work Well

May 17, 2012
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Bar Graph Colours That Work Well

Ever since I started using ggplot2 more often at work in order to do graphs, I’ve realized something about the use of colour in bar graphs vs. dot plots: When I’m looking at a graph displayed on the brilliant Viewsonic … Continue reading →

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Functions ddply and melt make plotting summary stats in R more tolerable

May 15, 2012
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Functions ddply and melt make plotting summary stats in R more tolerable

The main reason why I have usually chosen to use excel to make my plots at work is because I had difficulty feeding the summary stats in R into a plotting function.  One thing I learned this week is how … Continue reading →

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Fun Editing R Graphs in Inkscape

April 12, 2012
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Fun Editing R Graphs in Inkscape

Last week, I read a chapter out of Visualize This by Nathan Yau.  I was, of course, delighted to see that he was championing the use of R.  One really cool thing that I learned from his book, and was very … Continue reading →

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SNA: Visualising an email box with R

August 10, 2011
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SNA: Visualising an email box with R

Are statistics sexy? Visualising social networks certainly is! I wrote a little function, which makes producing beautiful plots depicting a mailbox with R an extremely easy task. I find visualisations of ‘social graphs’ particularly appealing. They look like flowers. I … Continue reading →

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Tumblr Likes

April 11, 2011
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Tumblr Likes

Look at just the first digit and the number of digits. science: 32914, 11566, 4989, 3743, 968, 814, 673, 482, 286, 2811 black and white: 1694, 1167, 1108, 988, 919, 639, 596, 591, 580, 544 lol: 22627, 18100, 17688, 14374, 13459, 12045, 4711, 3779, 36...

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