what is the difference between the dirichlet process and pitman-yor process? what is pitman-yor what is directichlet process what is the difference between pitman-yor and directchlet what does the pitman-yor process have in common what is the difference between py and pitman yor? which type of power law process is faster pitman yor or py what parameters does pitman-yor have what is the difference between the pitman yor and power law processes what is the difference between pitman-yor and py what is the difference between the pitman-yor process and py what type of power do they have with the dirichlet process what is the difference between pitman-yor and power law what is the relationship between the pitman-yor process and the power law process? what is py what is the relationship between pitman and yor why do we use the dirichlet process? how does the dp process and the pitman-yor process compare? difference between pitman-yor and dp what is the difference between pitman-yor and dp