a measured point that has a value within the normal range for the entire dataset, but if you look at the surrounding points, it is unusually high or low.
LOCAL OUTLIER
Meaning of LOCAL OUTLIER in English
Sean Woo's Finance, GIS and real estate English glossary. Английский глоссарий по ГИС(Географическая информационная система) и недвижимости Sean Woo's Finance. 2012