2501 search results for "ggplot2"

New Geometry – Tline, Lline & Rline

December 16, 2013
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New Geometry – Tline, Lline & Rline

The latest version of ggtern, 1.0.1.0, has several bug-fixes and improvements. One worth mentioning, is the creation of some new geometries to assist in the plotting of constant value lines, analogous to hline and vline in ggplot2. For Lines of constant T value: For Lines of constant L value: For Lines of constant R value:… The post New...

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plotting y and log(y) in one figure

December 15, 2013
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plotting y and log(y) in one figure

Sometimes I have the desire to plot both on the linear and on the log scale. To save space just two figures is not my solution. I want to reuse the x-axis, legend, title. This post examines possibilities to do so with standard plot tools, lattice and g...

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Understanding the data analytics project life cycle

December 12, 2013
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Understanding the data analytics project life cycle

While dealing with the data analytics projects, there are some fixed tasks that should be followed to get the expected output. So here we are going to build a data analytics project cycle, which will be a set of standard data-driven processes to lead data to insights effectively. The defined data analytics processes of a The post Understanding...

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24 Days of R: Day 10

December 10, 2013
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24 Days of R: Day 10

How often is someone nominated for an academy award? Who has been nominated most often? Is there a difference between leading and supporting roles? Important questions. To answer them, I'm making use of a list of academy award nominees and winners. I've obtained the data from aggdata.com which has a few sets of free data.

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Writing papers using R Markdown

Writing papers using R Markdown

Writing papers using R Markdown I have been watching the activity in RStudio and knitr for a while, and have even been using Rmd (R markdown) files in my own work as a way to easily provide commentary on an actual dataset analysis. Yihui has proposed writing papers in markdown and posting them to a blog as a way...

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eeptools 0.3 Released!

December 9, 2013
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Version 0.3 of my R package of miscellaneous code has been released, this time with substantial contributions from Jason Becker via GitHub. Progress continues toward the ultimate goal for eeptools to "make it easier for administrators at stat...

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Graphing my MPG vs Temperature

December 9, 2013
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Graphing my MPG vs Temperature

I use Fuelly to track the fuel mileage in my Toyota Tundra pickup truck. They have a mobile app, so while I'm waiting for the truck to fill up, I log the odometer, and the number of gallons that I put in and then also the price per gallon of fuel ...

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Sentence Drawing: Function vs. Art

December 8, 2013
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Sentence Drawing: Function vs. Art

I recently was reading the book “Functional Art” and came across the work of Stefanie Posavec. Her Sentence Drawings (click here to see and click here to learn) caught my attention. Here is a ggplot2 rendition: From what I understand … Continue reading →

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Tim Hortons Density

Tim Hortons Density

Tim Hortons Density Inspired by this post, I wanted to examine the locations and density of Tim Hortons restaurants in Canada. Using Stats Canada data, each census tract is queried on Foursquare for Tims locations. Setup options(stringsAsFactors = F) require(timmysDensity) require(plyr) require(maps) require(ggplot2) require(geosphere) Statistics Canada Census Data The actual Statistics Canada data at the dissemination block level can be downloaded from here. You will want to...

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24 Days of R: Day 6

December 6, 2013
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24 Days of R: Day 6

I've finally had some success at munging some HTML. For quite some time, I've wanted to render a county level choropleth for US presidential election results. The numbers are all there on Politico.com, but attempts to use readHTMLTable never returned the full set of data. It still doesn't, but I have sorted out how to

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