1032 search results for "how to import image file to R"

Modeling Contagion Using Airline Networks in R

May 30, 2015
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Modeling Contagion Using Airline Networks in R

I first became interested in networks when reading Matthew O’Jackson’s 2010 paper describing networks in economics. At some point during the 2014 ebola outbreak, I became interested in how the disease could actually come to the U.S. I was caught up with work/classes at the time, but decided to use airline flight data to at least explore the … Continue reading...

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R: the Excel Connection

May 29, 2015
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R: the Excel Connection

By Andy Nicholls, Head of Consulting As companies increasingly look beyond the scope of what is logistically possible in Excel more and more companies are approaching Mango looking for help with connecting to Excel from R. With over 6,500 packages … Continue reading →

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RevoScaleR’s Naive Bayes Classifier rxNaiveBayes()

May 28, 2015
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RevoScaleR’s Naive Bayes Classifier rxNaiveBayes()

by Joseph Rickert, Because of its simplicity and good performance over a wide spectrum of classification problems the Naïve Bayes classifier ought to be on everyone's short list of machine learning algorithms. Now, with version 7.4 we have a high performance Naïve Bayes classifier in Revolution R Enterprise too. Like all Parallel External Memory Algorithms (PEMAs) in the RevoScaleR...

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An R Enthusiast Goes Pythonic!

May 28, 2015
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An R Enthusiast Goes Pythonic!

I’ve spent so many years using and broadcasting my love for R and using Python quite minimally. Having read recently about machine learning in Python, I decided to take on a fun little ML project using Python from start to … Continue reading →

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Interactive maps of Crime data in Greater London

May 25, 2015
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Interactive maps of Crime data in Greater London

In the previous post we looked at ways to perform some introductory point pattern analysis of open data downloaded from Police.uk. As you remember we subset the dataset of crimes in the Greater London area, extracting only the drug related ones. Subseq...

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Geomorph update 2.1.5 Now Available!

May 24, 2015
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Geomorph update 2.1.5 Now Available!

Geomorph users,We have uploaded version 2.1.5 of geomorph* to CRAN. The windows and mac binaries have been compiled and the tarball is available.New Features:New Auto Mode allows users to include pre-digitized landmarks added to build.te...

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Review of ‘Advanced R’ by Hadley Wickham

May 24, 2015
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Review of ‘Advanced R’ by Hadley Wickham

Executive summary Surprisingly good. And it’s not like my expectations were especially low. Structure There are 20 chapters.  I mostly like the chapters and their order. Hadley breaks the 20 chapters into 4 parts.  He’s wrong.  Figure 1 illustrates the correct way to formulate parts. Figure 1: Chapters and Parts of Advanced R.    Introductory R There The post

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sjmisc – package for working with (labelled) data #rstats

May 22, 2015
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sjmisc – package for working with (labelled) data #rstats

The sjmisc-package My last posting was about reading and writing data between R and other statistical packages like SPSS, Stata or SAS. After that, I decided to bundle all functions that are not directly related to plotting or printing tables, into a new package called sjmisc. Basically, this package covers three domains of functionality: reading

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Introductory Point Pattern Analysis of Open Crime Data in London

May 21, 2015
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Introductory Point Pattern Analysis of Open Crime Data in London

IntroductionPolice in Britain (http://data.police.uk/) not only register every single crime they encounter, and include coordinates, but also distribute their data free on the web.They have two ways of distributing data: the first is through an API, which is extremely easy to use but returns only a limited number of crimes for each request, the second is...

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Course on using Oracle R Enterprise

Course on using Oracle R Enterprise

BNOSAC will be giving from June 08 up to June 12 a 5-day crash course on the use of R using Oracle R Enterprise. The course is given together with our Oracle Partner in Leuven, Belgium. If you are interested in attending, contact us for further details. For R users who aren't aware of this yet....

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