Reference

All functions
daff	Data diff, patch and merge for R
diff_data()	Do a data diff
differs_from()	differs from,
merge_data()	Merge two tables based on a parent version
patch_data()	patch data
write_diff() read_diff()	Write or read a diff to or from a file
render_diff()	Render a data_diff to html
which_conflicts()	return which rows of a merged data.frame contain conflicts