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pyod/models/vae.py

Summary

Maintainability
A
1 hr
Test Coverage

File vae.py has 286 lines of code (exceeds 250 allowed). Consider refactoring.
Invalid

# -*- coding: utf-8 -*-

"""Variational Auto Encoder (VAE)
and beta-VAE for Unsupervised Outlier Detection
Severity: Minor
Found in pyod/models/vae.py - About 2 hrs to fix

    Function __init__ has 18 arguments (exceeds 4 allowed). Consider refactoring.
    Wontfix

        def __init__(self, encoder_neurons=None, decoder_neurons=None,
    Severity: Major
    Found in pyod/models/vae.py - About 2 hrs to fix

      Identical blocks of code found in 2 locations. Consider refactoring.
      Invalid

          def decision_function(self, X):
        """Predict raw anomaly score of X using the fitted detector.

        The anomaly score of an input sample is computed based on different
        detector algorithms. For consistency, outliers are assigned with
      Severity: Major
      Found in pyod/models/vae.py and 1 other location - About 4 hrs to fix
      pyod/models/auto_encoder.py on lines 266..294

      Duplicated Code

      Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

      Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

      When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

      Tuning

      This issue has a mass of 82.

      We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

      The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

      If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

      See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

      Refactorings

      Further Reading

      Identical blocks of code found in 5 locations. Consider refactoring.
      Open

              if self.preprocessing:
            self.scaler_ = StandardScaler()
            X_norm = self.scaler_.fit_transform(X)
        else:
            X_norm = np.copy(X)
      Severity: Major
      Found in pyod/models/vae.py and 4 other locations - About 1 hr to fix
      pyod/models/alad.py on lines 489..493
      pyod/models/anogan.py on lines 356..360
      pyod/models/auto_encoder.py on lines 223..227
      pyod/models/deep_svdd.py on lines 254..258

      Duplicated Code

      Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

      Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

      When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

      Tuning

      This issue has a mass of 40.

      We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

      The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

      If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

      See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

      Refactorings

      Further Reading

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