In statistics and research design, an index is a composite statistic – a measure of changes in a representative group of individual data points, or in other words, a compound measure that aggregates multiple indicators. Indices – also known as indexes and composite indicators – summarize and rank specific observations.
In statistics and research design, an index is a composite statistic – a measure of changes in a representative group of individual data points, or in other words, a compound measure that aggregates multiple indicators. Indices – also known as indexes and composite indicators – summarize and rank specific observations.
Source: Wikipedia "Index (statistics)" · CC BY-SA 4.0
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