Property talk:P10734

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Fisher information
way of measuring the amount of information that an observable random variable X carries about an unknown parameter θ of a distribution that models X

Represents	Fisher information (Q1420659)
Data type	Mathematical expression
Domain	probability distribution (Q200726)
Example	normal distribution (Q133871) → ${\begin{pmatrix}1/\sigma ^{2}&0\\0&1/(2\sigma ^{4})\end{pmatrix}}$ exponential distribution (Q237193) → ${\frac {1}{\lambda ^{2}}}$
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to one Wikipedia (sample: Welsh Wikipedia, cywiki) Items with the fewest sitelinks Most linked wikis Items with the most identifier properties Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Database reports/Constraint violations/P10734 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 3 Qualifier 2 66.7% of uses Reference 1 33.3% of uses

[create Create a translatable help page (preferably in English) for this property to be included here]

Type “probability distribution (Q200726)”: item must contain property “instance of (P31)” with classes “probability distribution (Q200726)” or their subclasses (defined using subclass of (P279)). (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P10734#Type Q200726, SPARQL

Scope is as main value (Q54828448): the property must be used by specified way only (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P10734#Scope, SPARQL

Allowed entity types are Wikibase item (Q29934200): the property may only be used on a certain entity type (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P10734#Entity types

Single value: this property generally contains a single value. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P10734#Single value, SPARQL

Citation needed: the property must have at least one reference (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P10734#citation needed