3848 search results for "Gis"

Master R Developer Workshop – San Francisco, January 19-20

August 11, 2014
By
Master R Developer Workshop – San Francisco, January 19-20

RStudio is planning a new Master R Developer Workshop to be taught by Hadley Wickham in the San Francisco Bay Area on January 19-20. This will be the same workshop that Hadley is teaching in September in New York City to a sold out audience. If you did not get a chance to register for the

Read more »

Opening Up Access to Data: Why APIs May Not Be Enough…

August 11, 2014
By
Opening Up Access to Data: Why APIs May Not Be Enough…

Last week, a post on the ONS (Office of National Statistics) Digital Publishing blog caught my eye: Introducing the New Improved ONS API which apparently “mak things much easier to work with”. Ooh… exciting…. maybe I can use this to start hacking together some notebooks?:-) It was followed a few days later by this one

Read more »

Minimal reproducible examples

August 10, 2014
By

I occasionally get emails from people thinking they have found a bug in one of my R packages, and I usually have to reply asking them to provide a minimal reproducible example (MRE). This post is to provide instructions on how to create a MRE. Bug reports on github, not email First, if you think there is a bug,...

Read more »

Vtreat: designing a package for variable treatment

August 7, 2014
By
Vtreat: designing a package for variable treatment

When you apply machine learning algorithms on a regular basis, on a wide variety of data sets, you find that certain data issues come up again and again: Missing values (NA or blanks) Problematic numerical values (Inf, NaN, sentinel values like 999999999 or -1) Valid categorical levels that don’t appear in the training data (especially Related posts:

Read more »

Making Maps with a Punchline

August 6, 2014
By
Making Maps with a Punchline

I’ve had a lifelong fascination with maps, and working with R definitely enables my map...

Read more »

A New Use for Pipes in R: Forkbombs

August 6, 2014
By

Almost 3 years ago, I wrote about how to forkbomb with R. A quick recap is that a forkbomb is a low-tier, malicious misuse of a system; sort of a "baby's first denial of service". The idea is that you write a program that will start an entirely new copy of itself each time it is executed. Executing it...

Read more »

ESA 2014: Don’t Know Much About History…

August 5, 2014
By
ESA 2014: Don’t Know Much About History…

After my last post text-mining ESA Annual Meeting abstracts, Nash Turley was interested in the presence of the term “natural history” in ESA abstracts. I decided to collect a little more data by including programs back to 2010, giving a five-year data set. Thankfully the program back to 2010 remains in mostly the...

Read more »

Basic Forward and Reverse DNS Lookups In R (with Rcpp)

August 4, 2014
By

Back in April, we showed you how to use a C resolver library to make many different kinds of DNS lookups. More oft than not, such complete functionality is not necessary, but R still only provides nsl to get an IPv4 address of a given hostname, which is woefully inadequate. I needed to write an R implementation...

Read more »

Guns are Cool – Differences between states

August 3, 2014
By
Guns are Cool – Differences between states

Last week my blog showed that there are differences between states in the shootingtracker database. This week it is attempted to understand why states are different. A number of variables were extracted from a few sources, among which gun laws, % ...

Read more »

New d3.js visualization: Interpreting Correlations

August 1, 2014
By
New d3.js visualization: Interpreting Correlations

Here is a new visualization done in d3js. In this visualization I show a scatter plot of two variables with a given correlation. The variables are samples from the standard normal distribution, which are then transformed to have a given correlation by...

Read more »

Sponsors

Mango solutions



RStudio homepage



Zero Inflated Models and Generalized Linear Mixed Models with R

Quantide: statistical consulting and training



http://www.eoda.de







ODSC

ODSC

CRC R books series











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)