cluster3 software package provides Reimplementation of the Eisen-clustering software, you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install cluster3
cluster3 is installed in your system.
Make ensure the cluster3 package were installed using the commands given below,
$ sudo dpkg-query -l | grep cluster3 *
You will get with cluster3 package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Science |
| Package | cluster3 |
| Version | 1.52a-1 |
| Description | Reimplementation of the Eisen-clustering software |
| Sub Section | Science |