Instead, the partial least squares regression approach uses information from all the candidate statistics, each being weighted appropriately.
This method only requires the use of ordinary least squares regression after ordering the sample data.
However, the basic assumption of homoscedasticity is violated, so a weighted least squares regression must be used.
The value is defined as the least squares regression against market price of the option value at that state and time (-step).
One of its main contributions was in exposing the bias of ordinary least squares regression in identifying coefficient estimates.
The partial least squares regression is the extension of the PCR method which does not suffer from the mentioned deficiency.
This familiar loss function is used in ordinary least squares regression.
Step 2: Estimate γ, β by the ordinary least squares regression of y on and X.
Perform an ordinary least squares regression of "m" against "y".
"Application of least squares regression to relationships containing autocorrelated error terms".