class_docstr: Draws a learning curve with training & validation metrics
  over time as the network trains.
class_docstr_tok: ["Draws","a","learning","curve","with","training","&","validation","metrics","over","time","as","the","network","trains","."]
code: def eval_cb(self, param):
      # After eval results, force an update.
      self._process_batch(param, "eval")
      self._do_update()
  
imports: import time
label_desc: Use image node_id 5 for calling the LiveLearningCurve obj's underlying member method code with example usage: obj.eval_cb(param) without return types