ems:PointEstimate

Probability distributions: ems:PointEstimate, ems:UniformDistribution, ems:TriangularDistribution, ems:NormalDistribution, ems:PoissonDistribution, ems:QuantileFunction, ems:CumulativeDistributionFunction

Description

A point estimate is simply an estimate that consists of a single value. It is a degenerate type of probability distribution since it is concentrated at a single point. In general, an estimate should include non-zero probabilities for some range of values. A point estimate can be used In the absence of any further information about the distribution of values, but estimators should improve their estimates by providing range information. Therefore, a point estimate may be used as a placeholder until a more realistic estimate is available.

An ems:PointEstimate resource represents a point estimate.

Properties

An ems:PointEstimate resource has the following property:

ems:numericValue

This is the estimated value . The probability is one that a measurement will have this value and zero otherwise.

Examples

Point Estimate 1

The following resource represents a point estimate with a value of 6:

Listing of Point Estimate 1

<?xml version="1.0"?>
<ems:PointEstimate xmlns:ems="http://open-services.net/ns/ems#"
   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
   <ems:numericValue rdf:datatype="http://www.w3.org/2001/XMLSchema#double">6</ems:numericValue>
</ems:PointEstimate>

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