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Censored regression model — Censored regression models commonly arise in econometrics in cases where the variable ofinterest is only observable under certain conditions. A common example is labor supply. Data is frequently available on the hours worked by employees, and a… … Wikipedia
Tobit model — The Tobit Model is an econometric, biometric model proposed by James Tobin (1958) to describethe relationship between a non negative dependent variabley i and an independent variable (or vector) x i.The model supposes that there is a latent (i.e … Wikipedia
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
Truncated regression model — Truncated regression models arise in econometrics in cases where observations with values in the outcome variable below or above certain thresholds systematically excluded from the sample. Therefore, whole observations are missing, so that… … Wikipedia
Survival analysis — is a branch of statistics which deals with death in biological organisms and failure in mechanical systems. This topic is called reliability theory or reliability analysis in engineering, and duration analysis or duration modeling in economics or … Wikipedia
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
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Kaplan–Meier estimator — The Kaplan–Meier estimator,[1][2] also known as the product limit estimator, is an estimator for estimating the survival function from life time data. In medical research, it is often used to measure the fraction of patients living for a certain… … Wikipedia
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
List of controversial album art — This is an incomplete list, which may never be able to satisfy particular standards for completeness. You can help by expanding it with reliably sourced entries. The following is a list of notable albums with controversial album art, especially… … 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