calculate an out degree ratio by dividing a number of {HEAD ~ out degree correlation coefficients} above {TAIL ~ a third threshold} by a total number of out degree correlation coefficients 
above
calculate an out degree ratio by dividing a number of { HEAD ~ out degree correlation coefficients } above { TAIL ~ a third threshold } by a total number of out degree correlation coefficients
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH