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gbrltv/CDESF2

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cdesf/clustering/denstream.py

Summary

Maintainability
D
2 days
Test Coverage

Function generate_clusters has a Cognitive Complexity of 41 (exceeds 5 allowed). Consider refactoring.
Open

    def generate_clusters(self) -> Tuple[List[List], List[List]]:
        """
        Perform DBSCAN to create the final micro-clusters
        Works by grouping dense enough p_micro_clusters (weight >= mu)
        with distance <= 2 * self._epsilon
Severity: Minor
Found in cdesf/clustering/denstream.py - About 6 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

File denstream.py has 311 lines of code (exceeds 250 allowed). Consider refactoring.
Open

import math
import numpy as np
from collections import deque
from scipy.spatial import distance
from typing import Tuple, List
Severity: Minor
Found in cdesf/clustering/denstream.py - About 3 hrs to fix

    Function train has a Cognitive Complexity of 14 (exceeds 5 allowed). Consider refactoring.
    Open

        def train(self, case: Case):
        """
        "Trains" Denstream by updating micro_clusters with a new point

        Parameters
    Severity: Minor
    Found in cdesf/clustering/denstream.py - About 1 hr 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 dbscan has a Cognitive Complexity of 12 (exceeds 5 allowed). Consider refactoring.
    Open

        def dbscan(self, buffer: List) -> None:
        """
        Performs DBSCAN to create initial p-micro-clusters
        Works by grouping points with distance <= self._epsilon
        and filtering groups that are dense enough (weight >= beta * mu)
    Severity: Minor
    Found in cdesf/clustering/denstream.py - About 1 hr 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 add_point has a Cognitive Complexity of 11 (exceeds 5 allowed). Consider refactoring.
    Open

        def add_point(self, case: Case) -> int:
        """
        Tries to add a point to an existing p-micro-cluster at time "t"
        Otherwise, tries to add that point to an existing o-micro-clusters
        If all fails, creates a new o-micro-cluster with that new point
    Severity: Minor
    Found in cdesf/clustering/denstream.py - About 1 hr 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

    Avoid deeply nested control flow statements.
    Open

                            if to_add:
                            connected_clusters[testing_group].append(r_cluster)
                            change = True
                        else:
                            buffer_.append(r_cluster)
    Severity: Major
    Found in cdesf/clustering/denstream.py - About 45 mins to fix

      Avoid deeply nested control flow statements.
      Open

                              for cluster in connected_clusters[testing_group]:
                            dist = self.euclidean_distance(cluster.centroid,
                                                           r_cluster.centroid)
                            if dist <= 2 * self.epsilon:
                                to_add = True
      Severity: Major
      Found in cdesf/clustering/denstream.py - About 45 mins to fix

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

            def __init__(self, lambda_: float, beta: float, epsilon: float, mu: int, stream_speed: int, n_features: int):
        Severity: Minor
        Found in cdesf/clustering/denstream.py - About 45 mins to fix

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