1703 search results for "tutorial"

analyze the national incident-based reporting system (nibrs) with r and monetdb

November 11, 2014
By

in 2012, more than one quarter of the united states population lived in the jurisdiction of a police department that submitted details about every crime to a central repository maintained by the fbi.  a production of the uniform crime reports (ucr) program, the national incident-based reporting system (nibrs) compiles statistics from police agencies in thirty five states...

Read more »

Ongoing learning with user groups

November 10, 2014
By

Cross-posted from the Software Carpentry Blog. For the past two years I’ve run the UC Davis R Users’ Group (D-RUG). In this post, I’ll (1) outline the structure of D-RUG, and (2) summarize some lessons learned, and (3) discuss how such users’ groups could act to support and complement SWC’s workshops. Per Bill’s suggestion, we...

Read more »

BlogAnalytics 2014-11-10 12:03:00

November 10, 2014
By
BlogAnalytics 2014-11-10 12:03:00

View Confidence Interval DynamicallyThis is a simple effort for dynamic view of confidence interval in a normal distribution. The  link provides a interactive interface which helps users to understand normal distribution and confidence interv...

Read more »

Announcing the Publication of R Machine Learning Essentials

November 10, 2014
By
Announcing the Publication of R Machine Learning Essentials

R machine learning essentials will be published soon. T

Read more »

Basic mapping and attribute joins in R

November 9, 2014
By
Basic mapping and attribute joins in R

This post is based on the free and open source Creating-maps-in-R teaching resource for introducing R as a command-line GIS. R is well known as an language ideally suited for data processing, statistics and modelling. R has a number of spatial packages, allowing analyses that would require hundreds of lines of code in other languages to be implemented with...

Read more »

Phase plane analysis in R

November 4, 2014
By
Phase plane analysis in R

The forthcoming R Journal has an interesting article about phaseR: An R Package for Phase Plane Analysis of Autonomous ODE Systems by Michael J. Grayling. The package has some nice functions to analysis one and two dimensional dynamical systems. As an example I use here the FitzHugh-Nagumo system introduced earlier:begin{align}dot{v}=&2 (w + v - frac{1}{3}v^3)...

Read more »

Some R Highlights from the Bay Area Data Science Camp and Unconference

October 30, 2014
By
Some R Highlights from the Bay Area Data Science Camp and Unconference

by Joseph Rickert The San Francisco Bay Area Chapter of the Association of Computing Machinery (ACM) has been holding an annual Data Mining Camp and "unconference" since 2009. This year, to reflect the times, the group held a Data Science Camp and unconference, and we at Revolution Analytics were, once again, very happy to be a sponsor for the...

Read more »

Introducing Rocker: Docker for R

October 23, 2014
By

You only know two things about Docker. First, it uses Linuxcontainers. Second, the Internet won't shut up about it. -- attributed to Solomon Hykes, Docker CEO So what is Docker? Docker is a relatively new open source application and service, which is seeing interest across a number of areas. It uses recent Linux kernel features (containers, namespaces) to shield processes....

Read more »

Introducing Rocker: Docker for R

October 23, 2014
By
Introducing Rocker: Docker for R

You only know two things about Docker. First, it uses Linux containers. Second, the Internet won't shut up about it. -- attributed to Solomon Hykes, Docker CEO So what is Docker? Docker is a relatively new open source application and service, which is seeing interest across a number of areas. It uses recent Linux kernel features (containers, namespaces) to shield processes. While its...

Read more »

The lapply command 101

October 20, 2014
By
The lapply command 101

Next up in our review of the family of apply commands we’ll look at the lapply function, which can be used to loop over the elements of a list (or a vector). This is a true convenience although for those with experience in other programming languages it can seem unnecessary since you are accustomed to

Read more »

Sponsors

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)