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good type of classifier machine

  • support-vector machine

    in machine learning, support-vector machines svms, also support-vector networks are supervised learning models with associated learning algorithms that analyze data used for classification and regression analysis.given a set of training examples, each marked as belonging to one or the other of two categories, an svm training algorithm builds a model that assigns new examples to one category .

  • classifier linguistics

    a classifier abbreviated clf or cl is a word or affix that accompanies nouns and can be considered to 'classify' a noun depending on the type of its referent. it is also sometimes called a measure word or counter word. classifiers play an important role in certain s, especially east asian s, including korean, chinese, and japanese. classifiers are absent or marginal in european s.

  • ensemble learning

    the bayes optimal classifier is a classification technique. it is an ensemble of all the hypotheses in the hypothesis space. on average, no other ensemble can outperform it. the naive bayes optimal classifier is a version of this that assumes that the data is conditionally independent on the class and makes the computation more feasible.

  • outline of machine learning

    the following outline is provided as an overview of and topical guide to machine learning. machine learning is a subfield of soft computing within computer science that evolved from the study of pattern recognition and computational learning theory in artificial intelligence. in 1959, arthur samuel defined machine learning as a 'field of study that gives computers the ability to learn without .

  • multilayer perceptron

    as classification is a particular case of regression when the response variable is categorical, mlps make good classifier algorithms. mlps were a popular machine learning solution in the 1980s, finding applications in diverse fields such as speech recognition , image recognition , and machine translation software, 6 but thereafter faced strong competition from much simpler and related 7 .

  • ensemble learning

    the bayes optimal classifier is a classification technique. it is an ensemble of all the hypotheses in the hypothesis space. on average, no other ensemble can outperform it. the naive bayes optimal classifier is a version of this that assumes that the data is conditionally independent on the class and makes the computation more feasible. each .

  • generative model

    in statistical classification, including machine learning, two main approaches are called the generative approach and the discriminative approach. these compute classifiers by different approaches, differing in the degree of statistical modelling.terminology is inconsistent, but three major types can be distinguished, following jebara 2004 : given an observable variable x and a target .

  • support-vector machine

    in machine learning, support-vector machines are supervised learning models with associated learning algorithms that analyze data used for classification and regression analysis. given a set of training examples, each marked as belonging to one or the other of two categories, an svm training algorithm builds a model that assigns new examples to one category or the other, making it a non-probabilistic binary linear classifier. an svm model is a representation of the examples as points in space, m

  • adaboost

    every learning algorithm tends to suit some problem types better than others, and typically has many different parameters and configurations to adjust before it achieves optimal performance on a dataset, adaboost with decision trees as the weak learners is often referred to as the best out-of-the-box classifier.

  • linear classifier

    a linear classifier achieves this by making a classification decision based on the value of a linear combination of the characteristics. an object's characteristics are also known as feature values and are typically presented to the machine in a vector called a feature vector.

  • boosting machine learning

    in contrast, a strong learner is a classifier that is arbitrarily well-correlated with the true classification. robert schapire 's affirmative answer in a 1990 paper 5 to the question of kearns and valiant has had significant ramifications in machine learning and statistics , most notably leading to the development of boosting.

  • precision and recall

    in pattern recognition, information retrieval and classification machine learning , precision also called positive predictive value is the fraction of relevant instances among the retrieved instances, while recall also known as sensitivity is the fraction of the total amount of relevant instances that were actually retrieved.both precision and recall are therefore based on an .

  • multiclass classification

    decision tree learning is a powerful classification technique. the tree tries to infer a split of the training data based on the values of the available features to produce a good generalization. the algorithm can naturally handle binary or multiclass classification problems. the leaf nodes can refer to any of the k classes concerned.

  • loss functions for classification

    in machine learning and mathematical optimization, loss functions for classification are computationally feasible loss functions representing the price paid for inaccuracy of predictions in classification problems problems of identifying which category a particular observation belongs to . given as the vector space of all possible inputs, and y = –1,1 as the vector space of all possible .

  • learning classifier system

    the architecture and components of a given learning classifier system can be quite variable. it is useful to think of an lcs as a machine consisting of several interacting components. components may be added or removed, or existing components modified/exchanged to suit the demands of a given problem domain like algorithmic building blocks or .