Blog Archives

Data Manipulation with R – Spector (2008)

April 30, 2010
By
Data Manipulation with R – Spector (2008)

Title: Data Manipulation with RAuthor(s): Phil SpectorPublisher/Date: Springer/2008Statistics level: N/A Programming level: Intermediate Overall recommendation: Highly recommended If there is one book that every beginning R user coming from a programming background should have, it is Spector’s Data Manipulation with R. New R users with analytic backgrounds and experience with software packages such as SAS

The post Data...

Read more »

Webscraping using readLines and RCurl

April 14, 2009
By
Webscraping using readLines and RCurl

There is a massive amount of data available on the web. Some of it is in the form of precompiled, downloadable datasets which are easy to access. But the majority of online data exists as web content such as blogs, news stories and cooking recipes. With precompiled files, accessing the data is fairly straightforward; just

The post Webscraping...

Read more »

Webscraping using readLines and RCurl

April 14, 2009
By

There is a massive amount of data available on the web. Some of it is in the form of precompiled, downloadable datasets which are easy to access. But the majority of online data exists as web content such as blogs, news stories and cooking recipes. ...

Read more »

Helpful statistical references

April 7, 2009
By
Helpful statistical references

In a previous article I provided a list of R programming resources. As a complement to that post, I’ve compiled a list of statistically oriented websites that colleagues and I have found useful below. For the most part, these sites focus on statistics and quantitative research methods rather than programming. This first grouping lists sites

The post Helpful...

Read more »

Helpful statistical references

April 7, 2009
By

In a previous article I provided a list of R programming resources. As a complement to that post, I've compiled a list of statistically oriented websites that colleagues and I have found useful below. For the most part, these sites focus on statistic...

Read more »

Positioning charts with fig and fin

February 9, 2009
By
Positioning charts with fig and fin

R offers several ways to spatially orient multiple graphs in a single graphing space. The layout() function and mfrow/mfcol parameter settings are adequate solutions for many tasks and allow the graphing space to be broken up into tabular or matrix-based arrangements. For more fine grained manipulation, the fig and fin parameter settings are available. This

The post Positioning...

Read more »

Positioning charts with fig and fin

February 9, 2009
By

R offers several ways to spatially orient multiple graphs in a single graphing space. The layout() function and mfrow/mfcol parameter settings are adequate solutions for many tasks and allow the graphing space to be broken up into tabular or matrix-ba...

Read more »

Online R programming resources

February 2, 2009
By

R can legitimately be called both a programming language and a statistical package. Many books address both the programming and statistical components of R, but invariably the discussion of statistical topics is more detailed than the discussion of pr...

Read more »

A Handbook of Statistical Analyses Using R – Everitt and Hothorn (2006)

January 31, 2009
By

Title: A Handbook of Statistical Analyses Using RAuthor(s): Brian S. Torvitt; Torsten HothornPublisher/Date: Chapman & Hall/2006Statistics level: Intermediate to advancedProgramming level: Intermediate Overall recommendation: Highly recommended ...

Read more »

Controlling margins and axes with oma and mgp

January 26, 2009
By

When creating graphs, we're usually most concerned with what happens near the center of our displays, as this is where most of the important information is generally held. But sometimes, either for aesthetics or clarity, we want to adjust what's outsi...

Read more »