Class "Surv"
, directly.
Class "'>matrix"
, directly.
Class "'>oldClass"
, by class "Surv", distance 2.
Class "'>structure"
, by class "matrix", distance 2.
Class "'>array"
, by class "matrix", distance 2.
Class "'>vector"
, by class "matrix", distance 3, with explicit coerce.
Class "'>vector"
, by class "matrix", distance 4, with explicit coerce.