Please include a reprex
(see the FAQ) using twinData
or one of the other builtin datasets from umx
or OpenMX
if that reproduces the problem; otherwise enough of the data you are actually using.
Please include a reprex
(see the FAQ) using twinData
or one of the other builtin datasets from umx
or OpenMX
if that reproduces the problem; otherwise enough of the data you are actually using.