Latent Variables

Some articles on latent variables, latent variable, variables, latent:

Measuring The Mind - Book Structure - 3. Latent Variables
... This chapter discusses the theory behind latent variables in psychometrics particularly with regard to item response theory ... In particular Borsboom discusses issues of causality with regard to latent variables and the extent to which latent variables can be regarded as “causes” of between-subject ...
Latent Variable Model
... A latent variable model is a statistical model that relates a set of variables (so-called manifest variables) to a set of latent variables ... It is assumed that 1) the responses on the indicators or manifest variables are the result of an individual's position on the latent variable(s), and 2 ... Different types of the latent variable model can be grouped according to whether the manifest and latent variables are categorical or continuous Manifest variables Latent variables ...
Examples of Latent Variables - Economics
... Examples of latent variables from the field of economics include quality of life, business confidence, morale, happiness and conservatism these are all variables ... But linking these latent variables to other, observable variables, the values of the latent variables can be inferred from measurements of the observable variables ... Quality of life is a latent variable which can not be measured directly so observable variables are used to infer quality of life ...
Particle Filter
... used to estimate Bayesian models in which the latent variables are connected in a Markov chain — similar to a hidden Markov model (HMM), but typically where the state space of the latent ... of HMMs and related models, "filtering" refers to determining the distribution of a latent variable at a specific time, given all observations up to that time particle ... particle filters estimate only the distribution of only one of the latent variables at a time, rather than attempting to estimate them all at once, and produce a ...
Latent Variable
... In statistics, latent variables (as opposed to observable variables), are variables that are not directly observed but are rather inferred (through a mathematical model) from other variables that ... models that aim to explain observed variables in terms of latent variables are called latent variable models ... Latent variable models are used in many disciplines, including psychology, economics, machine learning/artificial intelligence, bioinformatics, natural language processing, and ...

Famous quotes containing the words variables and/or latent:

    The variables are surprisingly few.... One can whip or be whipped; one can eat excrement or quaff urine; mouth and private part can be meet in this or that commerce. After which there is the gray of morning and the sour knowledge that things have remained fairly generally the same since man first met goat and woman.
    George Steiner (b. 1929)

    Perhaps having built a barricade when you’re sixteen provides you with a sort of safety rail. If you’ve once taken part in building one, even inadvertently, doesn’t its usually latent image reappear like a warning signal whenever you’re tempted to join the police, or support any manifestation of Law and Order?
    Jean Genet (1910–1986)