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Uploaded on Apr 23, 2008
OLS minimizes the residual sum of squares (RSS). RSS is the sum of each squared residual (residual = the observed Y minus the predicted "on the line" Y). Also, about the OLS: the average residual is always zero, and the line passes through the point (average X, average Y). For more financial risk management videos, visit our website at http://www.bionicturtle.com!