Laplace's rule of succession (as a special case)
E1002836
Laplace's rule of succession is a classical Bayesian rule for estimating the probability of an event based on observed successes and failures, assigning a nonzero prior probability to unobserved outcomes.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Laplace's rule of succession | 0 |
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Bayesian inference rule
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classical Bayesian method ⓘ probability estimation method ⓘ statistical rule ⓘ |
| addresses | problem of zero counts in probability estimation ⓘ |
| aimsTo | avoid assigning probability 0 or 1 from finite data ⓘ |
| appliesTo |
Bernoulli trials
NERFINISHED
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binary events ⓘ |
| assumes |
exchangeable trials
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independent and identically distributed trials ⓘ no prior information favoring success or failure ⓘ unknown event probability ⓘ |
| category |
Bayesian updating rule
NERFINISHED
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probability smoothing technique ⓘ |
| contrastsWith | maximum likelihood estimate s/n ⓘ |
| estimates | posterior mean of event probability ⓘ |
| example | sunrise problem ⓘ |
| field |
Bayesian statistics
ⓘ
probability theory ⓘ statistical inference ⓘ |
| formula | (s+1)/(n+2) ⓘ |
| generalizedBy | Dirichlet prior for multinomial outcomes ⓘ |
| givesPosterior | Beta(s+1,n-s+1) ⓘ |
| historicalContext | introduced in the 18th–19th century ⓘ |
| input |
number of observed successes s
ⓘ
number of trials n ⓘ |
| interpretation |
posterior mean under uniform prior
ⓘ
predictive probability of success in next trial ⓘ |
| mathematicalForm | posterior mean of Beta(s+1,n-s+1) distribution ⓘ |
| namedAfter | Pierre-Simon Laplace NERFINISHED ⓘ |
| output | estimated probability of success in next trial ⓘ |
| property |
assigns nonzero probability to unobserved outcomes
ⓘ
asymptotically approaches empirical frequency s/n ⓘ shrinks estimates toward 1/2 for small samples ⓘ |
| relatedTo |
Bayesian predictive distribution
NERFINISHED
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Dirichlet-multinomial model NERFINISHED ⓘ Laplace's law of succession NERFINISHED ⓘ add-one smoothing ⓘ principle of insufficient reason ⓘ |
| specialCaseOf |
Bayesian estimation with Beta prior
ⓘ
conjugate prior analysis for Bernoulli model ⓘ |
| usedFor |
handling zero-frequency problems
ⓘ
predicting next outcome probability ⓘ smoothing probability estimates ⓘ |
| usesLikelihood | Binomial likelihood ⓘ |
| usesPrior |
Beta(1,1) prior
ⓘ
uniform prior on probability parameter ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
Carnap's continuum of inductive methods
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hasMember
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Laplace's rule of succession (as a special case)
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