Examining spatially varying relationships between coca crops and associated factors in Colombia, using geographically weight regression

► GWR provided a valuable new exploratory methodology in identifying the drivers of coca crop expansion. ► The relationships between coca crops and associated factors are not stationary. ► There are regional differences in the influencing variables on the cultivation of coca. ► Models which include the local reality allow a better understanding of the expansion of coca crops in Colombia. ► The significance of the variables included changes according to the year and the region.