3368 search results for "Map"

Sparse Quadratic Programming with Ipoptr

March 8, 2015
By
Sparse Quadratic Programming with Ipoptr

This post is a follow up to my last post on quadratic programming facilities in R. A commenter pointed me to the ipoptr project which exposes an R interface to the COIN-OR optimization routine Ipopt. COIN-OR is a suite of optimization utilities implemented in C++ and supported by a back-end of configurable FORTRAN linear...

Read more »

Why the Ban on P-Values? And What Now?

March 6, 2015
By
Why the Ban on P-Values? And What Now?

Just recently, the editors of the academic journal Basic and Applied Social Psychology have decided to ban p-values: that’s right, the nexus for inferential decision making… gone! This has created quite a

Read more »

Motor Vehicle Collision Density in NYC

March 6, 2015
By
Motor Vehicle Collision Density in NYC

In a previous post, I visualized crime density in Boston using R’s ggmap package. In this post, I use ggmap to visualize vehicle accidents in New York City. R code and data are included in this post. The data comes from NYC Open Data. My data cut ranges from 2012 to 2015. The data tracks the type of … Continue reading...

Read more »

Motor Vehicle Collision Density in NYC

March 6, 2015
By
Motor Vehicle Collision Density in NYC

In a previous post, I visualized crime density in Boston using R’s ggmap package. In this post, I use ggmap to visualize vehicle accidents in New York City. R code and data are included in this post. The data comes from NYC Open Data. My data cut ranges from 2012 to 2015. The data tracks the type of … Continue reading...

Read more »

How to Use R for Connecting Neo4j and Tableau (A Recommendation Use Case)

March 6, 2015
By
How to Use R for Connecting Neo4j and Tableau (A Recommendation Use Case)

Introduction Year is just a little bit more than two months old and we got the good news from Tableau - beta testing for version 9.0 started. But it looks like that one of my most favored features didn’t manage...

Read more »

Getting Data From An Online Source

March 6, 2015
By

Getting Data From One Online SourceRobert NorbergHello world. It’s been a long time since I posted anything here on my blog. I’ve been busy getting my Masters degree in statistical computing and I haven’t had much free time to blog. But I’ve writing R code as much as ever. Now, with graduation approaching, I’m job hunting and I thought it would...

Read more »

Part 3a: Plotting with ggplot2

March 4, 2015
By
Part 3a: Plotting with ggplot2

We will start off this first section of Part 3 with a brief introduction of the plotting system ggplot2. Then, with the attention focused mainly on the syntax, we will create a few graphs, based on the weather data we have prepared previously. Next, in Part 3b, where we will be doing actual EDA, specific visualisations...

Read more »

Color extraction with R

March 4, 2015
By
Color extraction with R

Given all the attention the internet has given to the colors of this dress, I thought it would be interesting to look at the capabilities for extracting colors in R. R has a number of packages for importing images in various file formats, including PNG, JPG, TIFF, and BMP. (The readbitmap package works with all of these.) In each...

Read more »

Update on The Pre-FOMC Announcement Drift

March 3, 2015
By
Update on The Pre-FOMC Announcement Drift

In the February 2015 edition of The Journal of Finance, a well known academic paper, “The Pre-FOMC Announcement Drift”, was finally published, almost 4 years after the working paper was released in the public domain in 2011.Authored by researchers, Lucca and Moench, at the US Federal Reserve, it documents the tendency for the S&P500 Index to rise in the...

Read more »

Next Kölner R User Meeting: Friday, 6 March 2014

March 3, 2015
By
Next Kölner R User Meeting: Friday, 6 March 2014

The next Cologne R user group meeting is scheduled for this Friday, 6 March 2014 and we have an exciting agenda with two talks, followed by networking drinks:Using R in Excel via R.NETGünter Faes and Matthias SpixMS Office and Excel are the 'de-facto' standards in many industries. Using R with Excel offers an opportunity...

Read more »

Sponsors

Mango solutions



RStudio homepage



Zero Inflated Models and Generalized Linear Mixed Models with R

Dommino data lab

Quantide: statistical consulting and training



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)