This function verify which rows in a pedigree data has missing parental or conflictuos data
Usage
missingdata(data, unk = 0)
Value
list with $conflict: rows of the data which are at least one parental name equal to the individual. $missing.sire: rows of the data which arie missing data sire (Parental 1) information. $missing.dire: same as above for dire (Parental 2). $summary.missing: summary of the missing data. 2 columns, 1st for the name of the parental listed, 2nd for the how many times appeared in the data.