Malmquist bias

短语

释义与例句

n.
  1. 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.

    不可数

词源

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

来源：wiktionary