Table 2 selection of the best interpolation model for predicting delayed ANC in Ethiopia, 2016 based on the exponential semivariogram model
Interpolation method | Mean predicted error (MPE) | Root mean squared predicted error (RMSPE) |
|---|---|---|
Deterministic methods | ||
Inverse distance weighting (IDW) | -0.01583 | 0.235704 |
Geostatistical methods | ||
Ordinary Kriging | 0.002568 | 0.2245674 |
Simple Kriging | -0.006485 | 0.2260122 |
Universal Kriging | 0.002568 | 0.2248674 |
Indicator Kriging | -0.0008834 | 0.4426523 |
Probability Kriging | -0.00027244 | 0.43963 |
Disjunctive Kriging | -0.0005645 | 0.226032 |