3369 search results for "map"

What are the names of the school principals in Mexico?, If your name is Maria, probably this post will interest you. Trends and cool plots from the national education census of Mexico in 2013

What are the names of the school principals in Mexico?, If your name is Maria, probably this post will interest you. Trends and cool plots from the national education census of Mexico in 2013

I will start this post with a disclaimer:The main intention of the post is to show how is the distribution of the school principal names in Mexico, for example, to show basic trends regarding about what is the most common nation-wide first name and so ...

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Finding the distance from ChIP signals to genes

July 4, 2014
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Finding the distance from ChIP signals to genes

I’ve had a couple of months off from blogging. Time for some computer-assisted biology! Robert Griffin asks on Stack Exchange about finding the distance between HP1 binding sites and genes in Drosophila melanogaster.  We can get a rough idea with some public chromatin immunoprecipitation data, R and the wonderful BEDTools. Finding some binding sites There

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Efficient Ragged Arrays in R and Rcpp

July 3, 2014
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When is R Slow, and Why? Computational speed is a common complaint lodged against R. Some recent posts on r-bloggers.com have compared the speed of R with some other programming languages , and showed the favorable impact of the new compiler package on run-times . I and others have written about using Rcpp to easily write C++...

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UseR! 2014 Tutorials

July 3, 2014
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UseR! 2014 Tutorials

by Joseph Rickert UserR! 2014 got under way this past Monday with a very impressive array of tutorials delivered on the day that the conferences organizers were struggling to cope with a record breaking crowd. My guess is that conference attendance is somewhere in the 700 range. Moreover, this the first year that I can remember that tutorials were...

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F1 Doing the Data Visualisation Competition Thing With Tata?

July 2, 2014
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F1 Doing the Data Visualisation Competition Thing With Tata?

Sort of via @jottevanger, it seems that Tata Communications announces the first challenge in the F1® Connectivity Innovation Prize to extract and present new information from Formula One Management’s live data feeds. (The F1 site has a post Tata launches F1® Connectivity Innovation Prize dated “10 Jun 2014″? What’s that about then?) Tata Communications are

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Rmetrics Workshop on R in Finance and Insurance, Paris 2014

June 28, 2014
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Rmetrics Workshop on R in Finance and Insurance, Paris 2014

Here are the slides of the talk that I gave yesterday with Prof. Frédéric Planchet at the 8th Rmetrics workshop in Insurance and Finance :   http://www.ressources-actuarielles.net/C1256F13006585B2/0/39B54166464089AFC12572B0003D88C2/$FILE/Rmetrics.pdf?OpenElement   The R codes can found here : For ESG http://www.ressources-actuarielles.net/EXT/ISFA/fp-isfa.nsf/34a14c286dfb0903c1256ffd00502d73/a5e99e9abf5d3674c125772f00600f6c/$FILE/examplesESG.R For ESGtoolkit … Continue reading →

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Include promo/activity effect into the prediction (extended ARIMA model with R)

Include promo/activity effect into the prediction (extended ARIMA model with R)

I want to consider an approach of forecasting I really like and frequently use. It allows to include the promo campaigns (or another activities and other variables as well) effect into the prediction of total amount. I will use a fictitious example and data in this post, but it works really good with my real data.  So, you can... Read More »

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Tailoring univariate probability distributions

June 26, 2014
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Tailoring univariate probability distributions

This post shows how to build a custom univariate distribution in R from scratch, so that you end up with the essential functions: a probability density function, cumulative distribution function, quantile function and random number generator. In the beginning all you need is an equation of the probability density function, … Continue reading →

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rlist: a new package for working with list objects in R

June 25, 2014
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In recent years, non-relational data have attracted more and more attentions. Roughly speaking, all datasets that are hard to put into a rectangular table with rows and columns are non-relational datasets. The following data is a very simple non-relational dataset in JSON format. The dataset contains some information of three programmers, each of whom has a name, an age, some...

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rlist: a new package for working with list objects in R

June 25, 2014
By

In recent years, non-relational data have attracted more and more attentions. Roughly speaking, all datasets that are hard to put into a rectangular table with rows and columns are non-relational datasets. The following data is a very simple non-relational dataset in JSON format. The dataset contains some information of three programmers, each of whom has a name, an age, some...

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