ó ù`]c@s\ddlmZmZddlmZddlmZeeƒdefd„ƒYƒZdS(iÿÿÿÿ(tABCMetatabstractmethod(t add_metaclass(tDictionaryProbDisttClusterIcBsbeZdZeed„ƒZed„ƒZd„Zd„Zed„ƒZ d„Z d„Z RS(s< Interface covering basic clustering functionality. cCsdS(sš Assigns the vectors to clusters, learning the clustering parameters from the data. Returns a cluster identifier for each vector. N((tselftvectorstassign_clusters((s/lib/python2.7/site-packages/nltk/cluster/api.pytclustertcCsdS(s€ Classifies the token into a cluster, setting the token's CLUSTER parameter to that cluster identifier. N((Rttoken((s/lib/python2.7/site-packages/nltk/cluster/api.pytclassifyR cCs!|j|ƒ|krdSdSdS(si Returns the likelihood (a float) of the token having the corresponding cluster. gð?gN(R (Rtvectortlabel((s/lib/python2.7/site-packages/nltk/cluster/api.pyt likelihood#scCsxi}d}x8|jƒD]*}|j||ƒ||<|||7}qWx$|jƒD]}||c|: s