3112 search results for "map"

Locality Sensitive Hashing In R Part 1

January 1, 2015
By

Introduction In the next series of posts I will try to explain base concepts Locality Sensitive Hashing technique. Note, that I will try to follow general functional programming style. So I will use R’s Higher-Order Functions instead of traditional R’s *apply functions family (I suppose this post will be more readable for non R users). Also I will use brilliant...

Read more »

Locality Sensitive Hashing in R

January 1, 2015
By

Introduction In the next series of posts I will try to explain base concepts Locality Sensitive Hashing technique. Note, that I will try to follow general functional programming style. So I will use R’s Higher-Order Functions instead of traditional R’s *apply functions family (I suppose this post will be more readable for non R users). Also I will use brilliant...

Read more »

Happy New Year! A look at the top posts from 2014.

January 1, 2015
By

Happy New Year everyone! Another year has come and gone, and this blog has just entered its seventh year of publication. (Once again, I missed the anniversary back on December 9.) Thanks to everyone who has supported this blog over the past 6 years by reading, sharing and commenting on our posts. And an extra- special thanks to all...

Read more »

The 6th Spanish R Users Conference

December 30, 2014
By
The 6th Spanish R Users Conference

by Emilio L. Cano The VI Spanish R Users Conference took place on October 23 and 24 in Santiago de Compostela (Spain). It was a two-day event with a variety of talks and workshops about the R statistical software and programming language and its applications. First of all, let me thank all the local organizers, the melisa association and...

Read more »

Snowdoop/partools Update

December 27, 2014
By
Snowdoop/partools Update

I’ve put together an updated version of my partools package, including Snowdoop, an alternative to MapReduce algorithms.  You can download it here, version 1.0.1. To review:  The idea of Snowdoop is to create your own file chunking, rather than having something like Hadoop do it for you, and then using ordinary R coding to perform … Continue reading...

Read more »

Create an R-tree data structure using Rcpp and Boost::Geometry

December 26, 2014
By
Create an R-tree data structure using Rcpp and Boost::Geometry

Introduction The purpose of this post is to show how to use Boost::Geometry library which was introduced recently in Rcpp. Especially, we focus on R-tree data structure for searching objects in space because only one spatial index is implemented - R-tree Currently in this library. Boost.Geometry which is part of the Boost C++ Libraries gives us algorithms for solving geometry problems. In this library, the...

Read more »

Visualizing APA 6 Citations: qdapRegex 0.2.0 & qdapTools 1.1.0

December 24, 2014
By
Visualizing APA 6 Citations: qdapRegex 0.2.0 & qdapTools 1.1.0

qdapRegex 0.2.0 & qdapTools 1.1.0 have been released to CRAN.  This post will provide some of the packages’ updates/features and provide an integrate demonstration of extracting and viewing in-text APA 6 style citations from an MS Word (.docx) document. qdapRegex … Continue reading →

Read more »

Calibrated Hull and White short-rates with RQuantLib and ESGtoolkit

December 24, 2014
By
Calibrated Hull and White short-rates with RQuantLib and ESGtoolkit

In this post, I use R packages RQuantLib and ESGtoolkit for the calibration and simulation of the famous Hull and White short-rate model. QuantLib is an open source C++ library for quantitative analysis, modeling, trading, and risk management of financial … Continue reading →

Read more »

Explore Kaggle Competition Data with R

December 23, 2014
By
Explore Kaggle Competition Data with R

I wanted to pick a topic that involved some webscraping and so decided to get some data from Kaggle. I put down some questions that could potentially be answered with some fairly basic plots. Is prize money a key motivator … Continue reading →

Read more »

Can R and ggvis help solve Serial’s murder?

December 22, 2014
By
Can R and ggvis help solve Serial’s murder?

Like much of America, I followed season one of Sarah Koenig’s true-crime podcast Serial with an interest that bordered on obsession. Serial tells the story of the Baltimore 1999 murder of high-schooler Hae Min Lee, and of state prisoner Adnan Syed, who was convicted of the crime but to this day maintains his innocence. One especially gripping episode...

Read more »

Sponsors

Mango solutions



RStudio homepage



Zero Inflated Models and Generalized Linear Mixed Models with R

Quantide: statistical consulting and training

datasociety

http://www.eoda.de





ODSC

ODSC

CRC R books series





Six Sigma Online Training









Contact us if you wish to help support R-bloggers, and place your banner here.

Never miss an update!
Subscribe to R-bloggers to receive
e-mails with the latest R posts.
(You will not see this message again.)

Click here to close (This popup will not appear again)