centering fails for centroid and median with the following inputs: - https://raw.githubusercontent.com/HegemanLab/w4mclassfilter/master/tests/testthat/in_cent_dm.tsv - https://raw.githubusercontent.com/HegemanLab/w4mclassfilter/master/tests/testthat/in_cent_sm.tsv - https://raw.githubusercontent.com/HegemanLab/w4mclassfilter/master/tests/testthat/in_cent_vm.tsv