Create: bocd.py (#706)
Create: bocd.py (#706)

* create: bocd.py

* feat: bocd.py

Define GMM class

* feat: bocd.py

Define future functions

* feat: bocd

* fix: bocd

* feat: bocd

Bocd posterior predictive plot

* feat: bocd

Finish code example
probml/pyprobml,probml/pyprobml,probml/pyprobml,probml/pyprobml