Analyze multiple WGS84 points against a GDM2000 control point.
RMSE measures the standard deviation of the differences (residuals) between the known control point and the observed points. It gives you a single value that summarizes the overall "goodness of fit." A smaller RMSE indicates a better fit and higher accuracy.
CEP defines the radius of a circle, centered on the control point, within which a certain percentage of your observed points are expected to fall. For example, **CEP95** is the radius of a circle that contains 95% of your points, providing a clear measure of horizontal precision.
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