class_docstr: ```
  Tracks (and plots) the change in loss of a Keras model as learning rate is gradually increased.
  Used to visually identify a good learning rate, given model and data.
  Reference:
      Original Paper: https://arxiv.org/abs/1506.01186
  ```
class_docstr_tok: ["``","`","Tracks","(","and","plots",")","the","change","in","loss","of","a","Keras","model","as","learning","rate","is","gradually","increased",".","Used","to","visually","identify","a","good","learning","rate",",","given","model","and","data",".","Reference",":","Original","Paper",":","https",":","\/\/arxiv.org\/abs\/1506.01186","``","`"]
code: def find_called(self):
      return self.ml is not None
  
file_path: ktrain/ktrain/lroptimize/lrfinder.py
imports: from ..None import utils
  from ..imports import *
label_desc: Use image node_id 8 for calling the LRFinder obj's underlying member method code with example usage: obj.find_called() and returns: unknown