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Basic ML Models

K-Nearest Neighbors (KNN):

  • KNN is a supervised learning algorithm used for classification and regression tasks.
  • It works by finding the K nearest neighbors in the training dataset to a new data point and making predictions based on the neighbors’ labels (for classification) or their average value (for regression).
  • KNN is a non-parametric algorithm, meaning it does not make assumptions about the underlying data distribution.


Linear Regression:

  • Linear regression is a supervised learning algorithm used for predicting a continuous target variable based on one or more input features.
  • It assumes a linear relationship between the input features and the target variable and aims to find the best-fit line that minimizes the sum of squared errors.
  • Linear regression can provide insights into the strength and direction of relationships between variables and is widely used for prediction and inference tasks.


Polynomial Regression:

  • Polynomial regression is an extension of linear regression that models the relationship between input features and the target variable using polynomial functions.
  • It allows for capturing non-linear relationships between the variables by including higher-degree polynomial terms.
  • Polynomial regression can provide a better fit to the data when the relationship is not strictly linear, but it can also be prone to overfitting if the degree of the polynomial is too high.


K-means Clustering:

  • K-means is an unsupervised learning algorithm used for clustering analysis.
  • It aims to partition the data into K clusters by minimizing the within-cluster sum of squared distances.
  • K-means starts by randomly assigning K centroids and iteratively updates them by assigning data points to the nearest centroid and recalculating the centroid positions.
Basic ML Models