dia software package provides Diagram editor, you can install in your Ubuntu 16.10 (Yakkety Yak) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install dia
dia is installed in your system.
Make ensure the dia package were installed using the commands given below,
$ sudo dpkg-query -l | grep dia *
You will get with dia package name, version, architecture and description in a table
| Distro | Ubuntu 16 10 yakkety yak |
| Section | Graphics |
| Package | dia |
| Version | 0.97.3-1build1 |
| Description | Diagram editor |
| Sub Section | Graphics |