Package check result: NOTE

Check: examples, Result: NOTE
  Examples with CPU (user + system) or elapsed time > 5s
                       user system elapsed
  matreg              6.079  0.064   6.144
  methods.confint.rma 5.902  0.016   6.006
  deltamethod         5.019  0.020   5.039

No changes to worse in reverse depends.