# squared hinge loss

method a character string specifying the loss function to use, valid options are: • "hhsvm" Huberized squared hinge loss, • "sqsvm" Squared hinge loss, • "logit" logistic loss, • "ls" least square loss. Hinge Loss. Last week, we discussed Multi-class SVM loss; specifically, the hinge loss and squared hinge loss functions.. A loss function, in the context of Machine Learning and Deep Learning, allows us to quantify how “good” or “bad” a given classification function (also called a “scoring function”) is at correctly classifying data points in our dataset. Hinge has another deviant, squared hinge, which (as one could guess) is the hinge function, squared. The hinge loss is used for maximum-margin classification task, most notably for support vector machines (SVMs). So which one to use? 平方损失（Square Loss）：主要是最小二乘法（OLS）中； 4. LinearSVC is actually minimizing squared hinge loss, instead of just hinge loss, furthermore, it penalizes size of the bias (which is not SVM), for more details refer to other question: Under what parameters are SVC and LinearSVC in scikit-learn equivalent? The combination of penalty='l1' and loss='hinge' is not supported. Default is "hhsvm". 指数损失（Exponential Loss） ：主要用于Adaboost 集成学习算法中； 5. dual bool, default=True loss {‘hinge’, ‘squared_hinge’}, default=’squared_hinge’ Specifies the loss function. Here is a really good visualisation of what it looks like. The square loss function is both convex and smooth and matches the 0–1 when and when . • "er" expectile regression loss. #FOR COMPILING model.compile(loss='squared_hinge', optimizer='sgd') # optimizer can be substituted for another one #FOR EVALUATING keras.losses.squared_hinge(y_true, y_pred) Understanding Ranking Loss, Contrastive Loss, Margin Loss, Triplet Loss, Hinge Loss and all those confusing names. Apr 3, 2019. ‘hinge’ is the standard SVM loss (used e.g. After the success of my post Understanding Categorical Cross-Entropy Loss, Binary Cross-Entropy Loss, Softmax Loss, Logistic Loss, Focal Loss and all those confusing names, and after checking that Triplet Loss outperforms Cross-Entropy Loss in my main research … There are several different common loss functions to choose from: the cross-entropy loss, the mean-squared error, the huber loss, and the hinge loss – just to name a few.” Some Thoughts About The Design Of Loss Functions (Paper) – “The choice and design of loss functions is discussed. by the SVC class) while ‘squared_hinge’ is the square of the hinge loss. Hinge loss 的叫法来源于其损失函数的图形，为一个折线，通用的函数表达式为： Square loss is more commonly used in regression, but it can be utilized for classification by re-writing as a function . Let I denote the set of rounds at which the Perceptron algorithm makes an update when processing a sequence of training in-stances x Square Loss. Theorem 2. It is purely problem specific. However, when yf(x) < 1, then hinge loss increases massively. hinge-loss, the squared hinge-loss, the Huber loss and general p-norm losses over bounded domains. 其他损失（如0-1损失，绝对值损失） 2.1 Hinge loss. The x-axis represents the distance from the boundary of any single instance, and the y-axis represents the loss size, or penalty, that the function will incur depending on its distance. The hinge loss is a loss function used for training classifiers, most notably the SVM. A loss function is both convex and smooth and matches the 0–1 when and when classifiers most... Hinge loss is more commonly used in regression, but it can be utilized for classification by re-writing a... Loss function bool, default=True However, when yf ( x ) < 1, then loss! Has another deviant, squared when and when loss is used for maximum-margin task... Of what it looks like of the hinge loss 的叫法来源于其损失函数的图形，为一个折线，通用的函数表达式为： loss { hinge... 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