��;
only for <code>method = "kendall"</code>)<br><code>20</code> = rotated BB8 copula (180 degrees; “survival BB8”;
only for <code>method = "kendall"</code>)<br>
`23` = rotated Clayton copula (90 degrees) <br>
`24` = rotated Gumbel copula (90 degrees) <br>
`26` = rotated Joe copula (90 degrees) <br>
`27` = rotated BB1 copula (90 degrees; only for `method = "kendall"`) <br>
`28` = rotated BB6 copula (90 degrees; only for `method = "kendall"`) <br>
`29` = rotated BB7 copula (90 degrees; only for `method =