"Where n is the number of values in a data set and we presume the error to be the distance from a function representing true values, the mean squared error can be calculated by 1/n (Σ errors2 )."
"Where n is the number of values in a data set and we presume the error to be the distance from a function representing true values, the mean squared error can be calculated by 1/n (Σ errors2 )."