Of SSKr"SS5rg)Nc*\rSrSrSrSrSrSrSrg)DependencyEvaluator ae Class for measuring labelled and unlabelled attachment score for dependency parsing. Note that the evaluation ignores punctuation. >>> from nltk.parse import DependencyGraph, DependencyEvaluator >>> gold_sent = DependencyGraph(""" ... Pierre NNP 2 NMOD ... Vinken NNP 8 SUB ... , , 2 P ... 61 CD 5 NMOD ... years NNS 6 AMOD ... old JJ 2 NMOD ... , , 2 P ... will MD 0 ROOT ... join VB 8 VC ... the DT 11 NMOD ... board NN 9 OBJ ... as IN 9 VMOD ... a DT 15 NMOD ... nonexecutive JJ 15 NMOD ... director NN 12 PMOD ... Nov. NNP 9 VMOD ... 29 CD 16 NMOD ... . . 9 VMOD ... """) >>> parsed_sent = DependencyGraph(""" ... Pierre NNP 8 NMOD ... Vinken NNP 1 SUB ... , , 3 P ... 61 CD 6 NMOD ... years NNS 6 AMOD ... old JJ 2 NMOD ... , , 3 AMOD ... will MD 0 ROOT ... join VB 8 VC ... the DT 11 AMOD ... board NN 9 OBJECT ... as IN 9 NMOD ... a DT 15 NMOD ... nonexecutive JJ 15 NMOD ... director NN 12 PMOD ... Nov. NNP 9 VMOD ... 29 CD 16 NMOD ... . . 9 VMOD ... """) >>> de = DependencyEvaluator([parsed_sent],[gold_sent]) >>> las, uas = de.eval() >>> las 0.6 >>> uas 0.8 >>> abs(uas - 0.8) < 0.00001 True cXlX lg)zq :param parsed_sents: the list of parsed_sents as the output of parser :type parsed_sents: list(DependencyGraph) N) _parsed_sents _gold_sents)self parsed_sents gold_sentss 5/usr/lib/python3/dist-packages/nltk/parse/evaluate.py__init__DependencyEvaluator.__init__Gs *%cB^1SkmSRU4SjU55$)z Function to remove punctuation from Unicode string. :param input: the input string :return: Unicode string after remove all punctuation >PcPdPePfPiPoPsc3`># UH#n[R"U5T;dMUv M% g7f)N) unicodedatacategory).0xpunc_cats r 4DependencyEvaluator._remove_punct..Vs%S%Q;+?+?+B(+Rqq%s. .)join)r inStrrs @r _remove_punct!DependencyEvaluator._remove_punctOs >wwS%SSSrc[UR5[UR5:wa [S5eSnSnSn[ [UR55HnURUR nURUR n[U5[U5:wa [S5eUR 5HmupxXgn UScMUSU S:wa [S5eURUS5S:XaMBUS- nUSU S:XdMUUS- nUS U S :XdMhUS- nMo M X#- X- 4$) zn Return the Labeled Attachment Score (LAS) and Unlabeled Attachment Score (UAS) :return : tuple(float,float) zE Number of parsed sentence is different with number of gold sentence.rz!Sentences must have equal length.wordz!Sentence sequence is not matched.rheadrel)lenrr ValueErrorrangenodesitemsr#) r corrcorrLtotaliparsed_sent_nodesgold_sent_nodesparsed_node_address parsed_node gold_nodes r evalDependencyEvaluator.evalXsb t!! "c$*:*:&; ;W s4--./A $ 2 21 5 ; ; "..q177O$%_)== !DEE4E4K4K4M0#+@ v&.v&)F*;;$%HII%%k&&9:b@ v&)F*;;AID"5)Yu-== #5N04}dl**r)rrN) __name__ __module__ __qualname____firstlineno____doc__r r#r8__static_attributes__rr rr s8t&T)+rr)rrr@rr rAsu+u+r