³ò ŒB_Kc@s*ddklZdefd„ƒYZdS(iÿÿÿÿ(tDictionaryProbDisttClusterIcBsPeZdZed„Zd„Zd„Zd„Zd„Zd„Z d„Z RS(s< Interface covering basic clustering functionality. cCs tƒ‚dS(sš Assigns the vectors to clusters, learning the clustering parameters from the data. Returns a cluster identifier for each vector. N(tAssertionError(tselftvectorstassign_clusters((s&/p/zhu/06/nlp/nltk/nltk/cluster/api.pytclusterscCs tƒ‚dS(s€ Classifies the token into a cluster, setting the token's CLUSTER parameter to that cluster identifier. N(R(Rttoken((s&/p/zhu/06/nlp/nltk/nltk/cluster/api.pytclassifyscCs&|i|ƒ|jodSndSdS(si Returns the likelihood (a float) of the token having the corresponding cluster. gð?gN(R(Rtvectortlabel((s&/p/zhu/06/nlp/nltk/nltk/cluster/api.pyt likelihoodscCsxh}d}x8|iƒD]*}|i||ƒ||<|||7}qWx$|iƒD]}||c|: s