Vignettes and other documentation

Vignettes from package 'cem'

Coarsened Exact Matching

Other files in the doc directory

	cem.bib
	coarsen1.pdf
	coarsen2.pdf
	copyRd
	index.shtml
	makeDocs
	outdata1.csv
	outdata2.csv
	outdata3.csv
	outdata4.csv
	outdata5.csv
	teff.pdf