For the model x and y are considered variables. But in the process of fitting the experimental points x i and y i are fixed whereas a and b are varied until the best match between the experimental ...

The process of using past cost information to predict future costs is called cost estimation. While many methods are used for cost estimation, the least-squares regression method of cost estimation is ...

Linear regression and principal components analysis are examples of plane fitting methods. Plane fitting is a very important activity in multivariate statistical analysis. The geometry of plane ...