This article will compare three different methods from an error analysis perspective. The concepts introduced in two previous TARO Articles, Statistics - a Method to Quantify Uncertainty and Sensitivity to Uncertainty will guide these comparisons. Error is found from Uncertainty and Sensitivity Regardless of how careful we are, or how much money we spend on the tool, no measurement will ever be exact. This inexactness is called uncertainty.
All measurement contains uncertainty.
It is a fact. It is always true. Given this limitation the prudent measurer should have an understanding of the level of uncertainty that accompanies every measurement that is made. Many measurements we make in the field of reconstruction are direct measurements. On the other hand, some measurements are not measurements at all.