Checks RR-intervals for HRT criteria and returns an HRT object
checkForHRT(intervals, numPreRRs = c_numPreRRs, numPostRRs = c_numPostRRs)(Numeric vector) RR intervals in ms
(Numeric) Number of RRs before the coupling interval that are used for filtering
(Numeric) Number of RRs after the compensatory interval that are used for filtering
(HRT) A single HRT object