Monthly Archives: August 2013

R-Squared for a VBGM

August 9, 2013
By
R-Squared for a VBGM

Recently, a fishR user asked me the following question: After fitting the age-length data into VBGM, I overviewed the results. But I can’t find the coefficient of determination () for the VBGM fitting. Because some reviewer want the the coefficient … Continue reading →

Read more »

inline 0.3.13

August 9, 2013
By

A minor maintenance release of inline is now on CRAN, and has just been already included in Debian. This release contains a patch kindly contributed by Mikhail Umorin which fixes the of \code{cfunction} with lists of signatures and function bodies. ...

Read more »

Data Scientists and Statisticians: Can’t We All Just Get Along

August 9, 2013
By
Data Scientists and Statisticians: Can’t We All Just Get Along

It seems that the title “data science” has taken the world by storm.  It’s a title that conjures up almost mystical abilities of a person garnering information from oceans of data with ease.  It’s where a data scientist can wave his or her hand like a Jedi Knight and simply tell the data what it

Read more »

XML in R – A (German) tutorial / XML in R – ein Tutorial auf Deutsch

August 9, 2013
By

I used knitr to hack together a very short tutorial about XML in R.It's in German. And it's not very long. But, hey, it's free :)I hope it can be of help to someone who wants to get started with XML processing in R.Please feel free to post or send any ...

Read more »

Google Developers R Programming Video Lectures

August 8, 2013
By

I got this Google Developers R Programming Video Lectures from Stephen's blog - Getting Genetics Done.Very useful R tutorial for beginner! Short and efficient. Here is what I learned after watching the lectures:4.3 - Add a Warning or Stop the Func...

Read more »

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 »

Absolute Deviation Around the Median

August 8, 2013
By
Absolute Deviation Around the Median

Median Absolute Deviation (MAD) or Absolute Deviation Around the Median as stated in the title, is a robust measure of central tendency. Robust statistics are statistics with good performance for data drawn from a wide range of non-normally distributed probability distributions. Unlike the standard mean/standard deviation combo, MAD is not sensitive to the presence of outliers. This

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 »

Bio7 1.7 for Windows Released!

August 8, 2013
By
Bio7 1.7 for Windows Released!

07.08.2013 A new Windows version of Bio7 is available. This version comes with a lot of new features and improvements for Java, R and ImageJ. One highlight is that you can now interpret Jython (Python) code with Bio7. In addition a new console implementation is available which offers access to a native shell, different Java

Read more »

Summarize content of a vector or data.frame every n entries

August 8, 2013
By
Summarize content of a vector or data.frame every n entries

I imagine that the same result can be achieved by a proper use of quantile, but I like to have an easy way to obtain summary statistics every n entries of my dataset be it a vector or data.frame. The function takes three parameters: the R object on which we need to obtain statistics (x),

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

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)