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stat 579
Factors & Intro to Plyr'ing
Slides
Factors, Data Aggregations
Data & Code
R script of the commands in class (planned):
05-brfss.R
R script of the commands in class (actual, Sep 21):
09-inclass-sep21.R
R script of the commands in class (actual, Sep 23):
09-inclass-sep21.R
Cleaned up version of the Data set:
brfss-2009-clean.csv
&
codebook
Additional Resources
BRFSS homepage
: additional information, additional data
Factors in R
by Phil Spector (Berkeley)
The
plyr
package.
R homepage
Local copy of CRAN
, the comprehensive R network, where you can actually download R
R reference card
, which lists a lot of the functions we'll be using in the coming weeks.
ggplot2
: overview, mailing list, book draft