Data package for the PH525x series

Instructors: try to avoid adding objects larger than 5 Mb. Large data objects can go in their own package (own repo).
.RData or .rda files go in data/.
Other files, csv, etc., go in inst/extdata/.

Name	Name	Last commit message	Last commit date
Latest commit rafalab addoing data from Table of youden 1972 Aug 26, 2015 b486130 · Aug 26, 2015 History 11 Commits
data	data	adding palindrom data	Mar 20, 2015
inst	inst	addoing data from Table of youden 1972	Aug 26, 2015
DESCRIPTION	DESCRIPTION	Update DESCRIPTION	Feb 25, 2015
README.md	README.md	first	Jan 13, 2015

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