In the semivariogram , with large datasets(more measured samples) the number of pairs of locations(points) will increase rapidly and quickly become unmanageable. Therefore, the pairs of points are grouped, which is referred to as binning . A bin ( lag size ) is a specified range of distances.
BINNING
Meaning of BINNING 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