+**Training data** is the essential raw material that fuels [Machine Learning](/wiki/machine_learning) systems. It is a carefully selected collection of examples, used to teach an [Algorithm](/wiki/algorithm) how to recognize patterns and make predictions, ultimately shaping a useful [Model](/wiki/model).
+## See also
+- [Test Data](/wiki/test_data)
+- [Validation Data](/wiki/validation_data)
+- [Dataset](/wiki/dataset)
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