class_docstr: The storage structure of LDA model's inference result.
      
class_docstr_tok: ["The","storage","structure","of","LDA","model","'s","inference","result","."]
docstr: Return number of words in LDADoc.
          
docstr_tok: ["Return","number","of","words","in","LDADoc","."]
code: def size(self):
      """Return number of words in LDADoc."""
      return len(self._tokens)
  
imports: import numpy
label_desc: Use image node_id 7 for calling the LDADoc obj's underlying member method code with example usage: obj.size() and returns: len