2248 search results for "map"

I give up, I am embracing pie charts

November 27, 2012
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I give up, I am embracing pie charts

Most statisticians know that pie charts are a terrible way to plot percentages. You can find explanations here, here, and here as well as the R help file for the pie function which states: Pie charts are a very bad … Continue reading →

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Spatial Data visualization with R

November 27, 2012
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Spatial Data visualization with R

I have published the first version of the code and main figures of the “Spatial Data” chapter of the forthcoming …Continuar leyendo »

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How to: network animation with R and the iGraph package & Meaning in data viz

November 27, 2012
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How to: network animation with R and the iGraph package & Meaning in data viz

This article lists the steps I take to create a network animation in R, provides some example source code that you can copy and modify for your own work, and starts a discussion about programming and visualization as an interpretive approach in research. Before I start, take a look at this network animation created with

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why and how to install monetdb with r on windows

November 26, 2012
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warning: the instructions below are obsolete.  please check this page for the latest version.  <3 anthony whya speed test of three sql queries on sixty-seven million records using my personal computer --# calculate the sum, mean, median, a...

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Modis R: Package tutorial

November 24, 2012
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Modis R: Package tutorial

The MODIS package for R For people who work in GIS in R there has been a bit of challenge in working with data from  Modis. I’ll use an example from my own work on UHI to illustrate. A while back I decided that I wanted to look at albedo data from MODIS.  If you

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Data types, part 3: Factors!

November 21, 2012
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Data types, part 3: Factors!

In this third part of the data types series, I'll go an important class that I skipped over so far: factors.Factors are categorical variables that are super useful in summary statistics, plots, and regressions. They basically act like dummy variables t...

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IPython vs RStudio+knitr

November 21, 2012
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IPython vs RStudio+knitr

At a meeting last night with some collaborators at the Vélobstacles project, I was excitedly told about the magic of IPython and it’s notebook functionality for reproducible research. This sounds familiar, I thought to myself. Using a literate programming approach to integrate computation with the communication of methodology and results has been at the core

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Dallas R Users Group Baseball Data Dive

November 19, 2012
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Dallas R Users Group Baseball Data Dive

This past Saturday I led a data dive workshop for the Dallas R Users Group using Lahman’s baseball statistics. After providing a brief introduction to the Lahman R package and showing how to load the data and make some basic plots,...

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Matching clustering solutions using the ‘Hungarian method’

November 19, 2012
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Matching clustering solutions using the ‘Hungarian method’

Some time ago I stumbled upon a problem connected with the labels of a clustering. The partition an instance belongs to, is mostly labeled through an integer ranging from 1 to K, where k is the number of clusters. The task at that time was to plot a map of the results from the clustering of spatial polygons...

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The Hour of Hell of Every Morning – Commute Analysis, April to October 2012

November 19, 2012
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The Hour of Hell of Every Morning – Commute Analysis, April to October 2012

IntroductionSo a little while ago I quit my job.Well, actually, that sounds really negative. I'm told that when you are discussing large changes in your life, like finding a new career, relationship, or brand of diet soda, it's important to frame things positively.So let me rephrase that - I've left job I previously held to pursue other directions. Why?...

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