pass control variable to each Model[[i]] call
fix typo in include directive
add example
center around mean
call Model[[i]] using named args
rename experiment to experiments
rename experiments to model.names
new API: caller determines which model to select
old version of CrossValidate
new: run function then restore random seed
create function CrossValidate4, not CrossValidate
reset .Random.seed, not Random.seed
fix verbose message
rename arg Models to EvaluateModel