first step towards using ff
save before switching branches
asdf
add fixed seed for generating random data
comment some stuff out to test for right now
add fixed random seed
remove self-assign line
add in null values to set2
added custom ffdfrowapply function with much grief
clean up after implementing ffdfrowapply
add names to pc score lists
add in redundancy using foreach
switch over to using ff

Merge branch 'use_ff'

Conflicts:
	DESCRIPTION
	R/ccaTest.R
	tests/testthat/test-ccaTest.R