- proportional hazard model
- модель пропорционального риска
English-Russian electronics dictionary .
proportional hazard model
Смотреть что такое "proportional hazard model" в других словарях:
hazard model — hazard model, proportional hazard model A statistical technique for determining ‘hazard functions’, or the probability that an individual will experience an event (for example first employment) within a particular time period, given that the… … Dictionary of sociology
Proportional hazards models — are a class of survival models in statistics. Survival models relate the time that passes before some event occurs to one or more covariates that may be associated with that quantity. In a proportional hazards model, the unique effect of a unit… … Wikipedia
Cox proportional hazards model — a method of analysis of multiple factors (variables) that influence an actuarial curve of the risk of a given negative outcome such as disease occurrence or death. A hazard rate is computed for each separate variable (e.g., among those patients… … Medical dictionary
Hazard ratio — The hazard ratio in survival analysis is the effect of an explanatory variable on the hazard or risk of an event. For a less technical definition than is provided here, consider hazard ratio to be an estimate of relative risk and see the… … Wikipedia
Accelerated failure time model — In the statistical area of survival analysis, an accelerated failure time model (AFT model) is a parametric model that provides an alternative to the commonly used proportional hazards models. Whereas a proportional hazards model assumes that the … Wikipedia
Semiparametric model — In statistics a semiparametric model is a model that has parametric and nonparametric components.A model is a collection of distributions: {P heta: heta in Theta} indexed by a parameter heta. * A parametric model is one in which the indexing… … Wikipedia
Predictive analytics — encompasses a variety of techniques from statistics and data mining that analyze current and historical data to make predictions about future events. Such predictions rarely take the form of absolute statements, and are more likely to be… … Wikipedia
event-history analysis — A form of longitudinal study in which the unit of enquiry is not the individual or social group but the socially significant event, for example, change of occupation, spell of unemployment, change of marital status, or other significant life… … Dictionary of sociology
Logrank test — In statistics, the logrank test is a hypothesis test to compare the survival distributions of two samples. It is a nonparametric test and appropriate to use when the data are right skewed and censored (technically, the censoring must be non… … Wikipedia
David Cox (statistician) — David Cox Born 15 July 1924 (1924 07 15) (age 87) … Wikipedia
Multicollinearity — is a statistical phenomenon in which two or more predictor variables in a multiple regression model are highly correlated. In this situation the coefficient estimates may change erratically in response to small changes in the model or the data.… … Wikipedia
