a list containing mQTL mapping results generated by mQTL.NMR package
Th
a numerical parameter specifying LOD threshold
chr
a numerical value defining the chromosomes to show if necessary
spacing
a numerical parameter specifiying the sapcing between chromosomes on the circular genome
Value
A circuler plot where the central horizontal line corresponds to the NMR chemical axis, the circle represents the chromosomal positions, and the colored lines significant association between a shift and genomic location.