Monthly Archives: April 2012

Review: Kölner R Meeting 30 March 2012

April 4, 2012
By
Review: Kölner R Meeting 30 March 2012

The first Kölner R user meeting was great fun. About 20 useRs had turned up to exchange their ideas, questions and experience with R. Three talks about R & Excel, ggplot2 & XeLaTeX and Dynamical systems with R & simecol had kicked off the evening, wit...

Read more »

Regression – covariate adjustment

April 3, 2012
By

Linear regression is one of the key concepts in statistics . However, people are often confuse the meaning of parameters of linear regression - the intercept tells us the average value of y at x=0, while the slope tells us how m...

Read more »

What are the distributions on the positive k-dimensional quadrant with parametrizable covariance matrix? (bis)

April 3, 2012
By
What are the distributions on the positive k-dimensional quadrant with parametrizable covariance matrix? (bis)

Wondering about the question I posted on Friday (on StackExchange, no satisfactory answer so far!), I looked further at the special case of the gamma distribution I suggested at the end. Starting from the moment conditions, and the solution is (hopefully) given by the system The resolution of this system obviously imposes conditions on those

Read more »

Simulated War

April 3, 2012
By

I am quite interested in both Wars with sabres and Sabremetric WARs but the War I am most involved in is the card game. Unfortunately, it is one my six year old favourites and he is quite happy to while away the hours (literally) playing it with anyone pressganged into joining him I must admit

Read more »

CLIWOC (British, Spanish and Dutch shipping 1750-1855): Getting the data into R

April 3, 2012
By

on the Spatial analysis blog a nice visualisation of the major shipping route of the British, Dutch and Spanish fleet in 1750-1850 was presented recently. based on the Climatological Databases for the World's Oceans (CLIWOC). another even nicer visuali...

Read more »

Zurich, Mar 2012 – Stable Portfolios

April 3, 2012
By

(This article was first published on Rmetrics blogs, and kindly contributed to R-bloggers) To leave a comment for the author, please follow the link and comment on his blog: Rmetrics blogs. R-bloggers.com offers daily e-mail updates about R news and tutorials on topics such as: visualization (ggplot2, Boxplots, maps, animation), programming (RStudio, Sweave, LaTeX, SQL, Eclipse, git, hadoop, Web...

Read more »

Zurich, Feb 2012 – Stability Parity Indexation

April 3, 2012
By

(This article was first published on Rmetrics blogs, and kindly contributed to R-bloggers) To leave a comment for the author, please follow the link and comment on his blog: Rmetrics blogs. R-bloggers.com offers daily e-mail updates about R news and tutorials on topics such as: visualization (ggplot2, Boxplots, maps, animation), programming (RStudio, Sweave, LaTeX, SQL, Eclipse, git, hadoop, Web...

Read more »

Zurich, Jan 2012 – Corepoint Capital uses Stability Analytics

April 3, 2012
By

(This article was first published on Rmetrics blogs, and kindly contributed to R-bloggers) To leave a comment for the author, please follow the link and comment on his blog: Rmetrics blogs. R-bloggers.com offers daily e-mail updates about R news and tutorials on topics such as: visualization (ggplot2, Boxplots, maps, animation), programming (RStudio, Sweave, LaTeX, SQL, Eclipse, git, hadoop, Web...

Read more »

Zurich, Jan 2012 – ZurichR Wavelet Analytics

April 3, 2012
By

(This article was first published on Rmetrics blogs, and kindly contributed to R-bloggers) To leave a comment for the author, please follow the link and comment on his blog: Rmetrics blogs. R-bloggers.com offers daily e-mail updates about R news and tutorials on topics such as: visualization (ggplot2, Boxplots, maps, animation), programming (RStudio, Sweave, LaTeX, SQL, Eclipse, git, hadoop, Web...

Read more »

Ahmedabad, Jan 2012 – R/Rmetrics Seminar

April 3, 2012
By

(This article was first published on Rmetrics blogs, and kindly contributed to R-bloggers) To leave a comment for the author, please follow the link and comment on his blog: Rmetrics blogs. R-bloggers.com offers daily e-mail updates about R news and tutorials on topics such as: visualization (ggplot2, Boxplots, maps, animation), programming (RStudio, Sweave, LaTeX, SQL, Eclipse, git, hadoop, Web...

Read more »