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pyriemann/stats.py

Summary

Maintainability
C
1 day
Test Coverage

File stats.py has 360 lines of code (exceeds 250 allowed). Consider refactoring.
Open

import sys
import math
import numpy as np
from sklearn.model_selection import cross_val_score
Severity: Minor
Found in pyriemann/stats.py - About 4 hrs to fix

    Function test has a Cognitive Complexity of 17 (exceeds 5 allowed). Consider refactoring.
    Open

        def test(self, X, y, groups=None, verbose=True):
        """Performs the permutation test

        Parameters
        ----------
    Severity: Minor
    Found in pyriemann/stats.py - About 2 hrs to fix

    Cognitive Complexity

    Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

    A method's cognitive complexity is based on a few simple rules:

    • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
    • Code is considered more complex for each "break in the linear flow of the code"
    • Code is considered more complex when "flow breaking structures are nested"

    Further reading

    Function unique_permutations has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.
    Open

    def unique_permutations(elements):
    """Return the list of unique permutations."""
    if len(elements) == 1:
        yield (elements[0], )
    else:
    Severity: Minor
    Found in pyriemann/stats.py - About 45 mins to fix

    Cognitive Complexity

    Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

    A method's cognitive complexity is based on a few simple rules:

    • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
    • Code is considered more complex for each "break in the linear flow of the code"
    • Code is considered more complex when "flow breaking structures are nested"

    Further reading

    Function __init__ has 6 arguments (exceeds 4 allowed). Consider refactoring.
    Open

        def __init__(self,
    Severity: Minor
    Found in pyriemann/stats.py - About 45 mins to fix

      Function __init__ has 6 arguments (exceeds 4 allowed). Consider refactoring.
      Open

          def __init__(self,
      Severity: Minor
      Found in pyriemann/stats.py - About 45 mins to fix

        Similar blocks of code found in 2 locations. Consider refactoring.
        Open

                    within += distance(
                X[y == classe],
                covmeans[ix],
                metric=mdm.metric_dist,
        Severity: Minor
        Found in pyriemann/stats.py and 1 other location - About 55 mins to fix
        pyriemann/stats.py on lines 403..406

        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 37.

        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

        Similar blocks of code found in 2 locations. Consider refactoring.
        Open

                    di = distance(
                X[y == classe],
                covmeans[ix],
                metric=mdm.metric_dist,
        Severity: Minor
        Found in pyriemann/stats.py and 1 other location - About 55 mins to fix
        pyriemann/stats.py on lines 379..382

        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 37.

        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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