3905 search results for "gis"

R 3.0.2 and RStudio 0.9.8 are released!

September 26, 2013
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RRRRRRRRRRRRRRRRstudiofavicon

R 3.0.2 (codename “Frisbee Sailing”) was released yesterday. The full list of new features and bug fixes is provided below. Also, RStudio v0.98 (in a “secret” preview) was announced two days ago with MANY new features, including: Amazing new debugging …Read more »

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Construire un moteur de reco simple avec R (1/2)

September 25, 2013
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Construire un moteur de rechercheOn va montrer comment on peut construire un moteur de recommandation simple en utilisant les outils de Textmining. Cette construction se fera en deux temps : On construit un moteur de recherche pour identifier par exemple, dans...

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Forecasting with R

September 25, 2013
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The following video has been produced to advertise my upcoming course on Forecasting with R, run in partnership with Revolution Analytics. The course will run from 21 October to 4 December, for two hours each week. More details are available at http:/...

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Introducing imagemetrics

September 25, 2013
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Introducing imagemetrics

References In my recent projects, I had the opportunity to work with the professor Raphaël Proulx who introduced me to several metrics commonly used in landscape ecology for quantifying image texture. In order to make my life easier, I decided to implement...

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Creating your personal, portable R code library with GitHub

September 23, 2013
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Creating your personal, portable R code library with GitHub

As I discussed in a previous post, I have a few helper functions I’ve created that I commonly use in my work. Until recently, I manually included these functions at the start of my R scripts by either the tried and true copy-and-paste method, or by extracting them from a local file with the <code>source()</code> function. The former approach...

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Creating your personal, portable R code library with GitHub

September 23, 2013
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Creating your personal, portable R code library with GitHub

As I discussed in a previous post, I have a few helper functions I’ve created that I commonly use in my work. Until recently, I manually included these functions at the start of my R scripts by either the tried and true copy-and-paste method, or by extracting them from a local file with the <code>source()</code> function. The former approach...

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Waiting in One Line or Multiple Lines

September 23, 2013
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Waiting in One Line or Multiple Lines

Whenever I go to the grocery store it always seems to be a lesson in statistics. I go get the things I need to buy and then  I try to select the checkout register that will decrease the amount of time I have to wait. Inevitably, I select the one line where there is some

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MCMSki IV, Jan. 6-8, 2014, Chamonix (news #9)

September 22, 2013
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MCMSki IV, Jan. 6-8, 2014, Chamonix (news #9)

This a reminder about the October 15 deadlines for MCMSki IV: First, the early bird rate for the registration ends up on October 15. Second, the young investigator travel support can only be requested up to October 15 as well. Be sure to book your hotel or rental place early too as Chamonix is quite popular in

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A few gotchas with R date-time classes

September 21, 2013
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Date and time handling is essential to many modelling and analysis exercises, in R and other languages used for scientific computing. Over the past few months I tackled the mapping of date-time concepts between R and the .NET framework as part of the w...

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Guns are cool

September 21, 2013
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Guns are cool

Reddit has a subreddit Guns are cool which in turn contains the MASS SHOOTINGS IN 2013 page. I pulled those data to see if there was anything of interest to plot or examine. I ended with modelling the frequency of shootings (once a day, Poisson distribution), and number of victims per shootings, a mixture of distributions, 2% of shootings...

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