What are kernel functions in machine learning?
Kernel functions are mathematical functions used in algorithms like SVM to enable non-linear classification by transforming data into higher dimensions.
Can you explain the different types of kernel functions?
Sure! Common types include linear, polynomial, radial basis function (RBF), and sigmoid kernels, each serving different purposes.
What parameters do kernel functions have?
Parameters vary by kernel type; for example, RBF has a gamma parameter that controls the influence of a single training example.
How do I choose the right kernel function for my model?
Choosing the right kernel depends on your data's distribution and the problem type. Experimentation and cross-validation can help.
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