### Search this site

### Top Posts & Pages

- The Popularity of Data Analysis Software
- Will 2015 be the Beginning of the End for SAS and SPSS?
- Graphics, ggplot2
- Home
- Forecast Update: Will 2014 be the Beginning of the End for SAS and SPSS?
- Why R is Hard to Learn
- Basic R Programming
- Why R is Hard to Learn
- Selecting Variables and Observations
- Goals for the New R Consortium

### Blogroll

### Blog Stats

- 627,009 hits

### Meta

### Twitter

- Goals for the New R Consortium r4stats.wordpress.com/2015/07/28/goa… #rstats #statistics #bigdata #analytics 6 days ago
- @rdpeng Thanks for that bit of R history. Your skill at making all R users happy is astonishing. Heh, heh! simplystatistics.org/2015/07/24/str… #rstats 1 week ago
- ESRI expands mapping with R computerworld.com/article/294890… #rstats @esri #statistics #bigdata #analytics 1 week ago
- Interesting approach to translating SPSS code to R blog.eoda.de/2015/06/25/tra… #rstats @IBMspss #statistics #datamining #bigdata 3 weeks ago
- @BatesDmbates Nice! Sounds like the Julia people are using computers to automate things. I've heard that speeds work up quite a bit! ;-) 1 month ago

# Monthly Archives: September 2012

## Specifying Variables in R

R has several ways to specify which variables to use in an analysis. Some of the most frustrating errors can result from not understanding the order in which R searches for variables. This post demonstrates that order, hopefully smoothing your … Continue reading