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HCIA-AI V3.0
H13-311_V3.0 Exam

Training error will reduce the accuracy of the model, resulting in under-fitting, how to improve the model fit at this time?

  1. increase the amount of data
  2. feature engineering
  3. reduce regularization parameter
  4. increase features

Answer(s): A,B,D



What is wrong about hyperparameter description?

  1. hyperparameters are the parameters set before the algorithm starts learning
  2. most machine learning algorithms have hyperparameters
  3. hyperparameters cannot be modified
  4. a lot of values of hyperparameters are learned through the algorithm itself

Answer(s): C



Python lists can be identified by "[]", and the default index of the first element from left to right is 1.

  1. True
  2. False

Answer(s): B



What is incorrect about the description of Python regular expressions?

  1. Python has added the re regular expression module since version 1.5
  2. re regular expression module makes the Python language have all the regular expression functions
  3. re regular expression is a powerful tool for processing strings
  4. re regular expression can only handle string data, not numeric data

Answer(s): D




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