Relative distance between two sets of genomic regions
genomic region 1, a
genomic region 2, a
For regions in
reference, they are all degenerated as single points
which are the middle points of regions. For each middle point in
query, it looks
for the nearest point in
reference. The statistics is defined as the ratio of the distance
to nearest point in
reference to the distance of two nearest points in
cover the middle point in
reference are not correlated at all,
It is expected that the ratio follows a uniform distribution. So final statisitics are the KS-statistics
between the real distribution of rations to the uniform distribution.
1 2 3
----|*************|----- reference -----***|--------------- query ratio = 3/13
Favoriv A, et al. Exploring massive, genome scale datasets with the GenometriCorr package. PLoS Comput Biol. 2012 May; 8(5):e1002529
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