Dataset F: subjects who were randomly assigned to receive Flecainide
Baseline (no medication)
Same subject with Flecainide
There are 229 subjects in dataset F, which are numbered from f001 to f229.
Almost all subjects have two RR-interval records, fNNNa and fNNNb; where NNN
is the subject number. fNNNa refers to the "baseline" recording that is
without medication, and fNNNb refers to the "suppression" recording that is
with medication of Flecainide.