Comparar métodos

	Krigagem Global	Co-krigagem: Interpolação Geoestatística Multivariada
Área	Análise espacial	Análise espacial
Família	Regression model	Regression model
Ano de origem	1960s–1993	1965-1978
Autor original	Georges Matheron (kriging framework); global neighborhood usage formalized in applied geostatistics	Matheron, G.; extended by Journel & Huijbregts
Tipo	Geostatistical interpolation	Geostatistical interpolation
Fonte seminal	Cressie, N. A. C. (1993). Statistics for Spatial Data (revised ed.). Wiley-Interscience. ISBN: 978-0471002550	Journel, A. G., & Huijbregts, C. J. (1978). Mining Geostatistics. Academic Press, London. ISBN: 978-0123910561
Outros nomes	global-neighborhood kriging, full-data kriging, exhaustive kriging, non-local kriging	cokriging, co-regionalization kriging, multivariate kriging, CK
Relacionados	5	5
Resumo	Global Kriging is the ordinary kriging interpolation procedure applied using all available sample points as the neighborhood — no spatial search window limits which data contribute to each prediction. It produces optimal linear unbiased predictions of an unobserved value at any target location, with associated prediction-error variances, by exploiting a fitted variogram model that encodes spatial autocorrelation across the entire dataset.	Co-kriging is a geostatistical interpolation technique that predicts the spatial distribution of a primary variable by leveraging its spatial cross-correlation with one or more secondary (co-) variables. It extends ordinary kriging to multivariate settings, yielding more accurate predictions when the secondary variable is more densely sampled or spatially correlated with the primary variable of interest.