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A randomized algorithm is an algorithm that employs a degree of randomness as part of its logic or procedure. The algorithm typically uses uniformly random bits as an auxiliary input to guide its behavior, in the hope of achieving good performance in the "average case" over all possible choices of random determined by the random bits; thus either the running time, or the output (or both) are ...
The randomized weighted majority algorithm is an algorithm in machine learning theory for aggregating expert predictions to a series of decision problems. [1] It is a simple and effective method based on weighted voting which improves on the mistake bound of the deterministic weighted majority algorithm. In fact, in the limit, its prediction ...
In machine learning applications, fairness is a critical consideration, especially in scenarios where data streams exhibit class imbalance. To address this, Nikoloutsopoulos, Titsias, and Koutsopoulos proposed the Kullback-Leibler Reservoir Sampling (KLRS) algorithm as a solution to the challenges of Continual Learning, where models must learn ...
A simple example is fitting a line in two dimensions to a set of observations. Assuming that this set contains both inliers, i.e., points which approximately can be fitted to a line, and outliers, points which cannot be fitted to this line, a simple least squares method for line fitting will generally produce a line with a bad fit to the data including inliers and outliers.
Decision tree learning – Machine learning algorithm; Ensemble learning – Statistics and machine learning technique; Gradient boosting – Machine learning technique; Non-parametric statistics – Type of statistical analysis; Randomized algorithm – Algorithm that employs a degree of randomness as part of its logic or procedure
The necessity for advanced randomization methods stems from the potential for skilled gamblers to exploit weaknesses in poorly randomized systems. High-quality randomization thwarts attempts at prediction or manipulation, maintaining the fairness of games. A quintessential example of randomization in gambling is the shuffling of playing cards.
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In this case, player allocates higher weight to the actions that had a better outcome and choose his strategy relying on these weights. In machine learning, Littlestone applied the earliest form of the multiplicative weights update rule in his famous winnow algorithm, which is similar to Minsky and Papert's earlier perceptron learning algorithm ...