{"code":"C53212","name":"Poisson Distribution","terminology":"ncit","version":"26.09d","conceptStatus":"DEFAULT","leaf":true,"active":true,"synonyms":[{"name":"Poisson Distribution","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"Poisson Distribution","type":"Preferred_Name","typeCode":"P108"}],"definitions":[{"definition":"A distribution function used to describe the occurrence of rare events or to describe the sampling distribution of isolated counts in a continuum of time or space. This special probability distribution can apply to the number of discrete independent random events occurring in a given interval when knowing their average rate of occurrence over a very long interval.","code":"P97","type":"DEFINITION","source":"NCI","qualifiers":[{"code":"P381","type":"attribution","value":"Dr. Joseph A. Thie"}]}],"properties":[{"code":"P366","type":"Legacy Concept Name","value":"Poisson_Distribution"},{"code":"P106","type":"Semantic_Type","value":"Quantitative Concept"},{"code":"P207","type":"UMLS_CUI","value":"C0032347"}]}