نتایج جستجو برای: log error loss function

تعداد نتایج: 1829298  

Although the random sum distribution has been well-studied in probability theory, inference for the mean of such distribution is very limited in the literature. In this paper, two approaches are proposed to obtain inference for the mean of the Poisson-Exponential distribution. Both proposed approaches require the log-likelihood function of the Poisson-Exponential distribution, but the exact for...

Journal: :IEEE Antennas and Wireless Propagation Letters 2014

ژورنال: پژوهش های ریاضی 2022

In this paper, we consider the problem of two sided hypothesis testing for the parameter of coefficient of variation of an inverse Gaussian population. An approach used here is the modified signed log-likelihood ratio (MSLR) method which is the modification of traditional signed log-likelihood ratio test. Previous works show that this proposed method has third-order accuracy whereas the traditi...

2011
Robert Moore John DeNero

This paper investigates the relationship between the loss function, the type of regularization, and the resulting model sparsity of discriminatively-trained multiclass linear models. The effects on sparsity of optimizing log loss are straightforward: L2 regularization produces very dense models while L1 regularization produces much sparser models. However, optimizing hinge loss yields more nuan...

Journal: :Mathematics and Statistics 2021

In this work, a three-parameter Weibull Inverse Rayleigh (WIR) distribution is proposed. The new WIR an extension of one-parameter that incorporated transformation the and Log-logistic as quantile function. statistical properties such function, order statistic, monotone likelihood ratio property, hazard, reverse hazard functions, moments, skewness, kurtosis, linear representation proposed were ...

Journal: :IEEE Transactions on Aerospace and Electronic Systems 2022

Through assembling the navigation parameters as matrix Lie group state, corresponding inertial system (INS) kinematic model possesses a group-affine property. The logarithm of state estimation error satisfies log-linear autonomous differential equation. These models are still applicable even with arbitrarily large initial errors, which is very attractive for INS alignment. However, in existing ...

Journal: :Neural Computation 1997
David Wolpert

This paper presents a Bayesian additive “correction” to the familiar quadratic loss biasplus-variance formula. It then discusses some other loss-function-specific aspects of supervised learning. It ends by presenting a version of the bias-plus-variance formula appropriate for log loss, and then the Bayesian additive correction to that formula. Both the quadratic loss and log loss correction ter...

1990
Ting-Ting Y. Lin Daniel P. Siewiorek

Most error log analysis studies perform a statistical fit to the data assuming a single underlying error process. This paper presents the results of an analysis that demonstrates the log is composed of at least two error processes: transient and intermittent. The mixing of data from multiple processes requires many more events to verify a hypothesis using traditional statistical analysis. Based...

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