add classmethod notebook
add classmethod notebook

sjsrey/pysal_core,hasecbinusr/pysal,ljwolf/pysal,ljwolf/pysal_core,lixun910/pysal,pastephens/pysal,pysal/pysal,sjsrey/pysal_core,ljwolf/pysal_core,lixun910/pysal,TaylorOshan/pysal,sjsrey/pysal,lixun910/pysal,TaylorOshan/pysal,pedrovma/pysal,jlaura/pysal,hasecbinusr/pysal,pastephens/pysal,weikang9009/pysal,jlaura/pysal,lanselin/pysal,ljwolf/pysal_core,hasecbinusr/pysal,TaylorOshan/pysal,ljwolf/pysal,jlaura/pysal,sjsrey/pysal_core,pastephens/pysal,ljwolf/pysal