Figure 4. Fitted direct and cross variograms for NDVI and Rainfall

From

An Assessment of the Changing Climate in Northern Nigeria Using Cokriging

U. Usman, S. A. Yelwa, S.U. Gulumbe, A. Danbaba

American Journal of Applied Mathematics and Statistics. 2013, 1(5), 90-98 doi:10.12691/ajams-1-5-3