In
statistics
Statistics (from German language, German: ''wikt:Statistik#German, Statistik'', "description of a State (polity), state, a country") is the discipline that concerns the collection, organization, analysis, interpretation, and presentation of ...
, generalized iterative scaling (GIS) and improved iterative scaling (IIS) are two early
algorithms used to fit
log-linear models, notably
multinomial logistic regression
In statistics, multinomial logistic regression is a statistical classification, classification method that generalizes logistic regression to multiclass classification, multiclass problems, i.e. with more than two possible discrete outcomes. T ...
(MaxEnt)
classifiers and extensions of it such as
MaxEnt Markov models and
conditional random fields. These algorithms have been largely surpassed by gradient-based methods such as
L-BFGS and
coordinate descent algorithms.
See also
*
Expectation-maximization
References
Optimization algorithms and methods
Log-linear models
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