Tag Archives: least squares adjustments
What Is a Least Squares Adjustment Anyway?
Up to now I have talked about a least squares adjustment as if everyone knows what it involves. In this article, I discuss what a least squares adjustment is and what makes it so valuable in adjusting observational data. Note: Please click on the images below to see them or read our full issue to...
![](/wp-content/uploads/2016/01/Figure-1-Centering-errors-272x192.png)
A Correctly Weighted Least Squares Adjustment, Part 2
Estimating Uncertainties In the previous article (January 2016), I point out the unreliability of sample standard deviations as estimates for population standard errors when the number of repeated observations is very small, which is typically the problem in surveying. In this article I look at how we can estimate the standard errors for observations based...