Suggest to add ISC License please. Thanks!

Do you mind if I select BSD? I copied a good part of the original code which is licensed with it (https://github.com/jdfekete/reorder.js/blob/master/LICENSE)

Oh yes, that's totally appropriate. Thanks for adding the license!

Is barycenter not working?

Thanks! I've fixed it now by updating the code to https://github.com/jdfekete/reorder.js/blob/d2cbf33e90ac191f4ef9ae57ee94f40147f2d043/examples/matrix.js#L73C1-L84C6