English Explanatory Dictionary

Malmquist bias

English dictionary entry

Meanings

noun
  1. A type of selection bias, where brighter objects appear to be more common at further distances; caused by a larger actual sample gathering region per square degree at further distances, and that dimmer sources drop out of sight due to distance.

Word forms

Malmquist bias

Etymology

Named after Swedish astronomer Gunnar Malmquist, who first described the effect in 1922.

Derived words

classical Malmquist bias Eddington-Malmquist bias statistical Malmquist bias systematic Malmquist bias
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