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Manoj
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Understand How vector Machine Works

Support Vector Machines (SVM) in Machine Learning:
Support Vector Machines (SVM) are a powerful class of supervised learning algorithms used for classification and regression tasks. Developed by Vladimir Vapnik and his colleagues in the 1990s, SVMs have proven to be effective in various domains, including image recognition, text classification, and bioinformatics.

Understanding the Basics:

  1. Objective of SVM: SVM aims to find the optimal hyperplane that best separates different classes in a dataset. The hyperplane is chosen to maximize the margin, which is the distance between the hyperplane and the nearest data points from each class, also known as support vectors.
  2. Linear and Non-linear SVM: Linear SVM: Assumes that the data can be separated by a straight line or hyperplane. Non-linear SVM: Utilizes the kernel trick to transform the input space into a higher-dimensional space, enabling the separation of non-linearly separable data. Working of SVM:
  3. Decision Boundary: SVM seeks to establish a decision boundary that not only separates classes but also maximizes the margin between them.
  4. Margin: The margin is the gap between the support vectors (closest data points) and the decision boundary. A larger margin often indicates a more robust and generalized model.
  5. Kernel Trick: The kernel trick involves mapping input features into a higher-dimensional space, making it easier to find a hyperplane that separates the data. Read Full Article About the SVM IN Machine Learning
    Key Concepts:
  6. Support Vectors: Support vectors are the data points that lie closest to the decision boundary. They play a crucial role in defining the optimal hyperplane.
  7. C Parameter: The C parameter balances the trade-off between having a smooth decision boundary and classifying training points correctly. A smaller C creates a larger margin but may misclassify some points.
  8. Kernel Functions: Popular kernel functions include linear, polynomial, radial basis function (RBF), and sigmoid. The choice of the kernel depends on the nature of the data. Advantages of SVM: Effective in High-Dimensional Spaces: SVM performs well even in cases where the number of dimensions is greater than the number of samples. Robust to Overfitting: SVMs are less prone to overfitting due to the margin maximization objective. Versatility: SVM can handle both linear and non-linear classification tasks through appropriate kernel selection. Global Optimization: SVM aims to find a global optimum, reducing the risk of getting stuck in local minima.

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