class_docstr: Mean Average Precision (MAP).
  
  References
  ----------
  https://en.wikipedia.org/wiki/Evaluation_measures_(information_retrieval)#Mean_average_precision
class_docstr_tok: ["Mean","Average","Precision","(","MAP",")",".","References","--","--","--","--","--","https",":","\/\/en.wikipedia.org\/wiki\/Evaluation_measures_","(","information_retrieval",")","#","Mean_average_precision"]
code: def __init__(self):
      RankingMetric.__init__(self, name="MAP")
  
imports: import numpy
  from scipy.stats import rankdata
label_desc: Use image node_id 1 to create a new MAP object from inherited base classes: RankingMetric with example: obj = MAP()