We propose a novel “tree-averaging” model that uses the ensemble of classification and regression trees (CART). Each constituent tree is estimated with a subset of similar data. We treat this grouping
The rate at which General Practitioners (GPs) refer patients to specialists and order pathology tests and imaging varies considerably between individual GPs. This study examines patterns of and reason
Paired concept counts from the lifetime data set. 5,364,781 patients in this data set. File format: tab-delimited table; newline terminated. Columns: concept id 1 - Unique numeric code identifying the
