2185 search results for "map"

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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Genome annotation with NCBI2R

November 18, 2012
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It's very convenient manage data with R: you can import your dataset, you could find many packages which respond to your needs, then you could plot your results. However it could be very bothersome retrieve the data from online databases. … Continue reading →

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Datacentric product development and the rebirth of engineering

November 17, 2012
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Datacentric product development and the rebirth of engineering

An old irony in New York is the ubiquity of the ‘gourmet deli’. It is hard to find a deli …Continue reading »

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The Race to the F1 2012 Drivers’ Championship – Initial Sketches

November 16, 2012
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The Race to the F1 2012 Drivers’ Championship – Initial Sketches

In part inspired by the chart described in The electoral map sans the map, I thought I’d start mulling over a quick sketch showing the race to the 2012 Formula One Drivers’ Championship. The chart needs to show tension somehow, so in this first really quick and simple rough sketch, you really do have to

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