Complete Machine Learning Course > Supervised Learning Algorithms

KNN in Machine Learning

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The parameter 'k' in KNN refers to the number of closest neighbours to include in the majority voting procedure.

The majority voting principle is used by the KNN classifier to identify the class of a data item. When the value of k is set to 5, the classes of the five nearest points are examined. The majority class is used to make predictions. Similarly, the mean value of the five nearest points is used in kNN regression.

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  1. Getting Started with Machine Learning
    4m 4s

  1. Introduction to Machine Learning
    13m 51s
  2. Environment Setup Part 1
    3m 32s
  3. Environment Setup Part 2
    4m 43s
  4. Environment Setup Part 3
    2m 34s

  1. Data Wrangling in Machine Learning
    12m 26s
  2. Importing Libraries and Dataset in Machine Learning
    11m 19s
  3. Handling Missing Data in Machine Learning
    11m 51s
  4. Handling Missing Data in Machine Learning - Practical
    17m 3s
  5. Encoding Categorical Data in Machine Learning
    6m 34s
  6. Encoding Categorical Data in Machine Learning - Practical
    8m 3s
  7. Splitting Dataset in Machine Learning
    3m 38s
  8. Splitting Dataset in Machine Learning - Practical
    9m 36s
  9. Normalizing the Data in Machine Learning - Part 1
    6m 19s
  10. Normalizing the Data in Machine Learning - Part 2
    6m 58s
  11. Finding Machine Learning Datasets
    9m 17s
  12. Exploratory Data Analysis in Machine Learning
    9m 1s
  13. Plotting Graphs in Machine Learning - Part 1
    19m 12s
  14. Plotting Graphs in Machine Learning - Part 2
    23m 45s
  15. Distribution Models in Machine Learning - Part 1
    33m 55s
  16. Distribution Models in Machine Learning - Part 2
    13m 56s
  17. Assignment : Data Preprocessing for Machine Learning
    1m 40s

  1. Machine Learning Paradigms
    9m 55s
  2. Assignment : Machine Learning Paradigms
    3m 25s

  1. Overview of Classification
    5m 22s
  2. Logistic Regression in Machine Learning
    4m 54s
  3. Logistic Regression in Machine Learning - Practical - 1
    32m 40s
  4. Logistic Regression in Machine Learning - Practical - 2
    12m 37s
  5. KNN in Machine Learning
    7m 22s
  6. KNN in Machine Learning Practical - 1
    35m 1s
  7. KNN in Machine Learning - Practical 2
    8m 46s
  8. Decision Trees for Classification in Machine Learning
    6m 17s
  9. Decision Trees for Classification in Machine Learning - Practical - 1
    22m 42s
  10. Decision Trees for Classification in Machine Learning - Practical - 2
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  11. Decision Tree Iterative Dichotomiser in Machine Learning - 3
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  12. Random Forest in Machine Learning
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  13. Support Vector Machine Classifier
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  14. Support Vector Machine Classifier - Practical - 1
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  15. Support Vector Machine Classifier - Practical - 2
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  16. Naive Bayes Classifier in Machine Learning
    5m 25s
  17. Naive Bayes Classifier in Machine Learning Practical - 1
    15m 21s
  18. Naive Bayes Classifier in Machine Learning Practical - 2
    11m 8s
  19. Evaluating Classification Models Performance in Machine Learning
    7m 31s
  20. Evaluating Classification Models Performance in Machine Learning Practical
    33m 2s
  21. Assignment : Supervised Learning Algorithms
    1m 12s

  1. Simple Linear Regression in Machine Learning
    8m 57s
  2. Simple Linear Regression in Machine Learning - Practical
    12m 34s
  3. Salary Prediction using Linear Regression in Machine Learning
    22m 42s
  4. Multi-Linear Regression in Machine Learning
    2m 53s
  5. Startup Prediction using Multiple Regression in Machine Learning
    25m 13s
  6. Support Vector Regressor in Machine Learning
    10m 45s
  7. Support Vector Regressor in Machine Learning - Practical - 1
    6m 48s
  8. Support Vector Regressor in Machine Learning Practical - 2
    15m 46s
  9. Decision Tree Regressor in Machine Learning
    4m 53s
  10. Decision Tree Regressor in Machine Learning Practical - 1
    5m 2s
  11. Decision Tree Regressor in Machine Learning Practical - 2
    17m 10s
  12. Regressor Model Selection in Machine Learning
    9m 7s
  13. Evaluating Regression Model Performance in Machine Learning
    8m 46s
  14. Evaluating Regression Model Performance in Machine Learning - Practical
    11m 35s
  15. Assignment : Regression Algorithms
    1m 12s

  1. Distance Metrics in Machine Learning
    6m 10s
  2. K-Means Clustering in Machine Learning
    11m 3s
  3. K-Means Clustering in Machine Learning - Practical
    9m 49s
  4. Mall Customers Prediction using K Means Clustering in Machine Learning
    18m 3s
  5. Hierarchical Clustering in Machine Learning - Agglomerative , Divisive
    4m 39s
  6. Agglomerative Clustering in Machine Learning - Practical
    4m 45s
  7. Divisive Clustering in Machine Learning - Practical
    14m 42s
  8. DBscan Spatial Clustering in Machine Learning
    8m 50s
  9. Mall Customers Prediction using Hierarchical Clustering in Machine Learning
    19m
  10. Assignment : Unsupervised Learning Algorithms
    2m 41s

  1. Association Rule in Machine Learning - Apriori, FP Growth
    7m 19s
  2. Association Rule in Machine Learning - Apriori Practical
    7m 15s
  3. Market Basket Analysis using Apriori in Machine Learning
    17m 50s
  4. FP Growth in Machine Learning
    7m 43s
  5. Market Basket Analysis using FP Growth in Machine Learning
    11m 46s
  6. Assignment : Association Rule Mining
    46s

  1. Reinforcement Learning in Machine Learning - Multi Armed Bandits
    21m 4s
  2. Upper Confidence Bound in Machine Learning - Practical
    8m 41s
  3. Thompson Sampling in Machine Learning - Practical
    4m 18s
  4. Q Learning in Machine Learning
    33m 47s
  5. Assignment : Reinforcement Learning
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  1. Overview of Dimensionality Reduction in Machine Learning
    4m 26s
  2. Principal Component Analysis in Machine Learning
    33m 44s
  3. Principal Component Analysis in Machine Learning - Practical
    6m 35s
  4. Linear Discriminant Analysis in Machine Learning
    18m 51s
  5. Linear Discriminant Analysis in Machine Learning - Practical
    6m 42s
  6. Assignment : Dimensionality Reduction
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  1. Basics of Regularization and Optimization in Machine Learning
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  2. Cross Validation in Machine Learning
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  3. Hyperparameter Tuning in Machine Learning
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  4. Sampling Methods in Machine Learning
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  5. Underfitting and Overfitting in Models in Machine Learning
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  6. Variance and Bias in Machine Learning
    9m 49s
  7. Assignment : Regularization and Optimization
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  1. Advance Trends in Machine Learning
    10m 19s

  1. Introduction to Keras and Deep Learning
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  2. Practical Demonstration -Keras
    13m 59s

  1. Reinforcement Learning Project - Teach a Taxi Part 1
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    14m 37s
  3. Reinforcement Learning Project - Teach a Taxi Part 3
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    15m 26s
  5. Loan Prediction Project Part 1
    35m 45s
  6. Loan Prediction Project Part 2
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  1. Course Summary
    3m 52s

  1. Interview Questions Part 1
    19m 22s
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    12m 23s
  3. Interview Questions Part 3
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  1. Career Guideline
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