Assertion: regression's variable | /r/HasProperty | preceded by a vector of 1s
Facets:
Source sentences:
text: n w i (y i - y i )] where β is the vector of the estimators of the β i parameters, X is the matrix of the explanatory variables preceded by a vector of 1s, y is the vector of the n observed values of the dependent variable, p* is the number of explanatory variables to which we add 1 if the intercept is not fixed, w i is the weight of the ith observation, and W is the sum of the w i weights, and D is a matrix with the w i weights on its diagonal.