To that end {HEAD ~ a minimum time step parameter} is calculated based on {TAIL ~ a manual input} of the desired number of samples per observation 
is calculated based on
To that end { HEAD ~ a minimum time step parameter } is calculated based on { TAIL ~ a manual input } of the desired number of samples per observation
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH