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【ML】Training models

【ML】Training models

作者: 盐果儿 | 来源:发表于2022-08-04 22:02 被阅读0次

Regression

Linear models

https://blog.csdn.net/red_stone1/article/details/81122926

Linear models for classification

Linear regression:

Logistic regression:

Support vector machine:

K-nearest neighbors: classification or regression

- In k-NN classification, the output is a class membership. An object is classified by a plurality vote of its neighbors, with the object being assigned to the class most common among its k nearest neighbors (k is a positive integer, typically small). If k = 1, then the object is simply assigned to the class of that single nearest neighbor.

- In k-NN regression, the output is the property value for the object. This value is the average of the values of k nearest neighbors.

Markov networks: probability sum up to 1. to predict what are gonna happen now.

Bayes networks: 

Difference:

A Markov network or MRF is similar to a Bayesian network in its representation of dependencies; the differences being that Bayesian networks are directed and acyclic, whereas Markov networks are undirected and may be cyclic. The underlying graph of a Markov random field may be finite or infinite.

Other terms:

Markov chain/process: discrete-time steps, continuous-time steps

Stochastic process: times of things happen before a fixed time or time step between two things.

Decision Tree

Random Forest

Neural network

Classification

Logistic regression

Support vector machine

Naive Bayes

Decision Tree

Random Forest

Neural network

Reference:

https://blog.csdn.net/xlm289348/article/details/8876353

https://zhuanlan.zhihu.com/p/34562485

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