Wednesday, May 23, 2012

knitR Performance Report 3 (really with knitr) and dprint

please see knitr Performance Report–Attempt 3, knitr Performance Report-Attempt 2 and knitr Performance Report-Attempt 1

alstated’s asked a very good question in his comment on knitr Performance Report–Attempt 3, and I’m not sure I could have answered well until I endured some frustrations with Sweave.  I actually did not use knitr for that report, and I struggled with many of the issues that knitr addresses.  knitr’s power comes in its extra ability to control output with additional chunk options described in http://yihui.name/knitr/options, so no more wide, textblock, etc. latex commands.

A very prominent R Finance contributor also alerted me to the dprint (be aware in pre-Alpha) package from Carl Brickner https://r-forge.r-project.org/projects/tabular/ presented at userR! 2010 and also at .  To use, you will have to manually install with the command:

install.packages("dprint", repos="http://R-Forge.R-project.org")

For the final pdf, use the knit2pdf command from knitr:

knit2pdf(“pathtofile.rnw”)

I was delighted with the result and probably will abandon the Sweave-direct option.  Thanks to Carl for dprint and Yihui for knitr.  If you do not see the embedded pdf below, please get directly through https://www.box.com/s/416b473f6c92c581e343.

R code from GIST:

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