August 2011

R Code Examples on Graphics

August 16, 2011 | Yanchang Zhao

Some useful R code examples on graphics are: Learn R Toolkit: It contains PowerPoint slideshows, videos, R scripts and data files to help Excel users move up to R. R code examples are provided for panel charts, conditional format, dot … Continue reading → [Read more...]

Kaleidoscope Ic (useR! 2011)

August 16, 2011 | csgillespie

These are my rough notes on the Kaleidoscope Ic session. David Smith – The R Ecosystem (useR! 2011) David Smith works for Revolution Analytics. Quick overview of the R project – useR, r-journal, and r-forge. Social media starting to play a part in R – Google+, twitter, stackoverflow, and the traditional R mailing list. ... [Read more...]

Brian Ripley – The R Development Process (useR! 2011)

August 16, 2011 | csgillespie

There are my notes on the User2011 invited talk. Brian Ripley has been a member of R core since 1998 The R Development Process – A insideR’s view R Timeline: JCGS paper submitted in 1995. 1997: CRAN(Mar), Core team(Aug), CVS (Sept) R 1.0.0 Feb 2000 – 2.8MB. Many people don’t take 0.X.X ... [Read more...]

Rchievement of the day

August 16, 2011 | wkmor1

Today ‘rjags’ was annoying me. The function ‘update.jags’ was (without asking me) disabling the progress bar when I was running R non-interactively. It was annoying, as I was sending R output to a log file in my dropbox, and having … Continue reading → [Read more...]

Use geom_rect() to add recession bars to your time series plots #rstats #ggplot

August 15, 2011 | Jeffrey Breen

ggplot2's geom_rect() layer makes it easy to highlight portions of your graph, such as recessions on an economic time series. [Read more...]

lm System on Nikkei with New Chart

August 15, 2011 | klr

I got a great idea from the zoo-overplot demo to make a very helpful visualization of system entry and exit. Since the lm-based system presented in Unrequited lm Love is newest, I will use this system, but apply to the Nikkei 225 instead of the R...

[Read more...]

MySQL and R

August 15, 2011 | Christopher Bare

Using MySQL with R is pretty easy, with RMySQL. Here are a few notes to keep me straight on a few things I always get snagged on. Typically, most folks are going to want to analyze data that's already in a MySQL database. Being a little bass-ackwards, I often want ... [Read more...]

Paul Murrell – Introduction to Grid graphics (useR! 2011)

August 15, 2011 | csgillespie

Typically, I’m very bad at taking notes in conference. This time around, I intend to make notes for each some of the talks I attend at this year’s useR! 2011 conference. Below are my notes that I made during this afternoon’s tutorial. Note: these are just notes I ... [Read more...]

How many NYC restaurants get As on their health inspections?

August 15, 2011 | dan

Decision Science News is no stranger to misleading infographics in free New York newspapers. We could stop reading them entirely, but we find that playing "spot the infographic flaw" makes time fly on the subway. Recently we saw the above graphic in a paper called Metro. Can you spot the ... [Read more...]

Sync Your Rprofile Across Multiple R Installations

August 15, 2011 | Stephen Turner

Your Rprofile is a script that R executes every time you launch an R session. You can use it to automatically load packages, set your working directory, set options, define useful functions, and set up database connections, and run any other code you w...

[Read more...]

Using Emacs as a front-end for R

August 15, 2011 | David Smith

Back when I was a grad student, I was a devoted Emacs user. I basically used it like an operating system: it wasn't just my text editor, but also my mail reader, my Web browser, my news reader, and so much more. (I once even asked our sysadmin to change ... [Read more...]

Live from useR!

August 15, 2011 | David Smith

The Revolution Analytics team is at the R user conference useR! at Warwick University this week. We'll bring you the updates from the conference with the latest from the R community as we go, but as we're on UK time blogging will be at unusual hours for the next few ... [Read more...]

Making Stuff is Scary

August 15, 2011 | Milk Trader

My daughter's best friend lives just down the street. Her mother runs a cupcake shop that's just a little further down the street. Being eleven going on sixteen, my daughter fancies herself a "quote" -- worker at the shop. She's not paid in actual mone...

[Read more...]

Unrequited lm Love

August 14, 2011 | klr

In System Failure-Maybe it Will Help I presented the initial trials of a linear model system for stocks, and even though they were not a resounding success, I have been strangely determined to discover a working version of this framework. Maybe t...

[Read more...]

Breaking it up into trend and seasonal and error components

August 14, 2011 | Steven Sabol

GDP=scan("/Users/stevensabol/Desktop/R/gdp.csv")Read 258 items__ GDP=ts(GDP,start=1,frequency=4)__ dlGDP=diff(log(GDP))__ plot(stl(log(GDP),"per"))This allows us to do a structural decompositionlog(GDP) = trend + season + error Here is...

[Read more...]

Get those plots

August 14, 2011 | Steven Sabol

Type in the following to get a Q-Q plot and a histogram on top of each otherpar(mfrow=c(2,1))__ hist(dlGDP,prob=T,12)__ lines(density(dlGDP))__ qqnorm(dlGDP)__ qqline(dlGDP)the top graph says that the errors are pretty nicely distributed around...

[Read more...]

Playing In R: Getting Down to Business

August 14, 2011 | Steven Sabol

okay so now we are up and plotting. Let's dive into some analysis.First we want to see if we can use the series so we have to see if its covariance stationary and that means that its mean is constant and also we can't be able to predict the ...

[Read more...]

Playing Around With R

August 14, 2011 | Steven Sabol

okay so today we will start playing around with R and will use GDP as our ginny pig.okay so first do the following:1. DOWNLOAD R2. Create a folder and call it "R" on your desktop. Then type ingetwd()this will produce the current place where R fin...

[Read more...]

The Dancing Economist’s content will be statistically enhanced.

August 13, 2011 | Steven Sabol

Recently, I have been fed up. Why? because I wanted to produce professional forecasts on my blog but don't have SAS. I wanted to forecast with some AR, ARMA and ARIMA models, but couldn't. Completely heartbroken. I got to thinking- R co...

[Read more...]

the batman equation

August 13, 2011 | R on Guangchuang Yu

HardOCP has an image with an equation which apparently draws the Batman logo. Read More: 1295 Words Totally [Read more...]

« 1 … 6 7 8 9 10 … 13 »

R-bloggers

R news and tutorials contributed by hundreds of R bloggers

August 2011

R Code Examples on Graphics

Kaleidoscope Ic (useR! 2011)

Brian Ripley – The R Development Process (useR! 2011)

Rchievement of the day

Use geom_rect() to add recession bars to your time series plots #rstats #ggplot

lm System on Nikkei with New Chart

MySQL and R

Paul Murrell – Introduction to Grid graphics (useR! 2011)

How many NYC restaurants get As on their health inspections?

Sync Your Rprofile Across Multiple R Installations

Using Emacs as a front-end for R

Live from useR!

Making Stuff is Scary

Unrequited lm Love

Breaking it up into trend and seasonal and error components

Get those plots

Playing In R: Getting Down to Business

Playing Around With R

The Dancing Economist’s content will be statistically enhanced.

the batman equation

August 2011

Never miss an update! Subscribe to R-bloggers to receive e-mails with the latest R posts. (You will not see this message again.)

Never miss an update!
Subscribe to R-bloggers to receive
e-mails with the latest R posts.
(You will not see this message again.)