2180 search results for "ggplot2"

R/gridSVG/d3 Line Reverse Data Bind

August 8, 2013
By
R/gridSVG/d3 Line Reverse Data Bind

I veer from finance to tech, so let’s use some data from FRED/OECD this time.  I do not think I need to comment much on what has happened to New Car Registrations in Greece. Reverse data binding a line plot from ggplot2 or lattice is slightly more difficult than what we saw in the last post I Want...

Read more »

R on Your iPhone (Not the Way You Think)

August 8, 2013
By
R on Your iPhone (Not the Way You Think)

If you really love R, you should put it on your iPhone.  Apple gives the measurements for its products here. Let's use a little grid magic with ggplot2 to make a chart for the back of your iphone similar to this. require(grid)require(ggplot2)# thanks for the Apple measurements# https://developer.apple.com/resources/cases/x11( height = as.numeric(convertX(unit(58.55, "mm"), "in")),...

Read more »

How to choose a new business location with R

August 6, 2013
By
How to choose a new business location with R

This guest post is by Rodolfo Vanzini. Rodolfo is senior partner at eXponential.it — an asset management consultancy based in Italy — and advises clients on investment management issues. He taught at the University of Siena and is an analytics professional. With an economist education and a financial markets expertise four years ago I thought I couldn't be of...

Read more »

How Much Should Bale Cost Real?

August 5, 2013
By
How Much Should Bale Cost Real?

It looks increasingly likely that Gareth Bale will transfer from Tottenham to Real Madrid for a world record transfer fee. Negotiations are ongoing, with both parties keen to get the best deal possible deal with the transfer fee. Reports speculate that this transfer fee will be anywhere in the very wide range of £80m to

Read more »

Classification of the Hyper-Spectral and LiDAR Imagery using R (mostly). Part 2: Classification Approach and Spectre Profile Creation

August 3, 2013
By
Classification of the Hyper-Spectral and LiDAR Imagery using R (mostly). Part 2: Classification Approach and Spectre Profile Creation

IntroductionThis is the second part of my post series related to hyper-spectral and LiDAR imagery using R. See other parts: Part 1: Result Evaluation. In this part I will describe my general approach to classification process and then I will show you how to create cool spectral response plots like this:

Read more »

The tenure of Doctor Who incarnations

August 3, 2013
By
The tenure of Doctor Who incarnations

With a new actor being announced tomorrow, it got me pondering about the good Doctor. Specifically, who is the longest serving doctor? IMDB has the data: Let’s plot it to see how it changes over time. There was a definite shift after Tom Baker towards a shorter term as the doctor. In terms of screen

Read more »

A Chart of Recent Comrades Marathon Winners

July 30, 2013
By
A Chart of Recent Comrades Marathon Winners

Continuing on my quest to document the Comrades Marathon results, today I have put together a chart showing the winners of both the men and ladies races since 1980. Click on the image below to see a larger version. The analysis started off with the same data set that I was working with before, from

Read more »

Visualizing Book Sentiments

July 30, 2013
By
Visualizing Book Sentiments

Sentiment analysis of social media content has become pretty popular of late, and a few days ago, as I lay in bed, I wondered if we could do the same thing to books - and see how sentiments vary through the story.The answer, of course, was that yes, we could. And if you’d rather just...

Read more »

Classification of the Hyper-Spectral and LiDAR Imagery using R (mostly). Part 1: Result Evaluation

July 28, 2013
By
Classification of the Hyper-Spectral and LiDAR Imagery using R (mostly). Part 1: Result Evaluation

Introduction There was the EEEI Data Fusion Contest this spring. This year they wanted people to elaborate about hyper-spectral (142-bands imagery) and LiDAR data. The resolution of the data-set was about 5 m.  There were 2 nominations: best classification and  the best scientific paper.  I work with high-resolution imagery quite often, but classification is a very rear task for me...

Read more »

SAP HANA OData and R

SAP HANA OData and R

As you might have discovered by now...I love R...it's just an amazing programming language...By now...I have integrate R and SAP HANA via ODBC and via the SAP HANA-R integration...but I have completely left out the SAP HANA OData capabilities.For this ...

Read more »