1902 search results for "RStudio"

Getting into the zone(s) with R + jsonlite

October 6, 2015
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We have some strange data in cybersecurity. One of the (IMO) stranger data files is a Domain Name System (DNS) zone file. This file contains mappings between domain names and IP addresses (and other things) represented by “resource records”. Here’s an example for the dummy/example domain example.com: $ORIGIN example.com. ; designates the start of this zone file...

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Using miniCRAN on site in Iran

October 6, 2015
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Using miniCRAN on site in Iran

by Jens Carl Streibig, Professor Emeritus at University of Copenhagen Editor's introduction: for background on the miniCRAN package, see our previous blog posts: Introducing miniCRAN Using R in Myanmar MiniCRAN saves my neck when out in regions where seamless running internet is and exception rather than the rule. R is definitely the programme to offer universities and research institutions...

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Hadley Wickham’s "Ask Me Anything" on Reddit

October 2, 2015
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Hadley Wickham’s "Ask Me Anything" on Reddit

Hadley Wickham, RStudio's Chief Scientist and prolific author of R books and packages, conducted an AMA (Ask Me Anything) session on Reddit this past Monday. The session was tremendously popular, generating more than 500 questions/comments and promoting the AMA to the front page of Reddit. If you're not familiar with Hadley's work (which would be a surprise if you're...

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R, Open Source and GSoC

October 2, 2015
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R, Open Source and GSoC

There’s a plethora of generic content regarding GSoC preparation already available on the internet.* This blog post will concentrate on specific tips which should help anyone looking to get involved with The R-Project, or any R-centric Open-Source project, begin their journey. *The post assumes basic programming knowledge (loops, functions, etc.) and familiarity with git/github.* The basics To begin with, familiarity with the...

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R, Open Source and GSoC

October 2, 2015
By
R, Open Source and GSoC

There’s a plethora of generic content regarding GSoC preparation already available on the internet.* This blog post will concentrate on specific tips which should help anyone looking to get involved with The R-Project, or any R-centric Open-Source project, begin their journey. *The post assumes basic programming knowledge (loops, functions, etc.) and familiarity with git/github.* The basics To begin with, familiarity with the...

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rleafmap: R Markdown in interactive popups

October 1, 2015
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rleafmap: R Markdown in interactive popups

This is the second « big » feature coming with branch 0.2 of rleafmap (now on CRAN!). With this new version you can write popups content in R Markdown which will be processed when you generate the map. This can be useful … Lire la suite →

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Playing with Leaflet (and Radar locations)

September 30, 2015
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Playing with Leaflet (and Radar locations)

Yesterday, my friend Fleur did show me some interesting features of the leaflet package, in R. library(leaflet) In order to illustrate, consider locations of (fixed) radars, in several European countries. To get the data, use download.file("http://carte-gps-gratuite.fr/radars/zones-de-danger-destinator.zip","radar.zip") unzip("radar.zip")   ext_radar=function(nf){ radar=read.table(file=paste("destinator/",nf,sep=""), sep = ",", header = FALSE, stringsAsFactors = FALSE) radar$type <- sapply(radar$V3, function(x) {z=as.numeric(unlist(strsplit(x, " ")])); return(z)}) radar <-...

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Rebuilding Map Example With Apply Functions

September 30, 2015
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Yesterday Hadley’s functional programming package purrr was published to CRAN. It is designed to bring convenient functional programming paradigma and add another data manipulation framework for R. “Where dplyr focusses on data frames, purrr focusses on vectors” – Hadley Wickham in a blogpost The core of the package consists of map functions, which operate similar to...

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purrr 0.1.0

September 29, 2015
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purrr 0.1.0

  Purrr is a new package that fills in the missing pieces in R’s functional programming tools: it’s designed to make your pure functions purrr. Like many of my recent packages, it works with magrittr to allow you to express complex operations bying combining simple pieces in a standard way. Install it with: install.packages("purrr") Purrr

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Call R functions from any application with the AzureML package

September 28, 2015
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Call R functions from any application with the AzureML package

If you've developed a useful function in R (say, a function to make a forecast or prediction from a statistical model), you may want to call that function from an application other than R. For example, you might want to display the forecast (calculated in R) as part of a desktop, web-based or mobile application. One solution is to...

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