Significance tests

Similar concepts

Similarity Concept
Information retrieval system
Information retrieval definition
Operational information retrieval
Retrieval effectiveness
Experimental information retrieval
Data retrieval systems
Statistical significance
Information measure
Probabilistic retrieval
Theory of measurement

Pages with this concept

Similarity Page Snapshot
178 document collections with different sets of queries then we can still use these measures to indicate which system satisfies the user more ...Significance tests Once we have our retrieval effectiveness figures we may wish to establish that the difference in effectiveness under two conditions is statistically significant ...Parametric tests are inappropriate because we do not know the form of the underlying distribution ...On the face of it non parametric tests might provide the answer ...
10 In the past there has been much debate about the validity of evaluations based on relevance judgments provided by erring human beings ...Effectiveness and efficiency Much of the research and development in information retrieval is aimed at improving the effectiveness and efficiency of retrieval ...