1. covsep::C1
    A covariance matrix
    csv| json| rda| rds
    matrix|32 x
  2. covsep::C2
    A covariance matrix
    csv| json| rda| rds
    matrix|7 x
  3. covsep::SurfacesData
    A data set of surfaces
    json| rda| rds
    array