+: the restriction(s)is valid F (R2-R2)m- Fmu-ky 14.8 (1-R2)/(n-k) Estimate the Us regression and obtain the r2 Estimate the Rls regression and obtain Find out the number of restrictions(m). Find out the coefficients estimated in the unrestricted regression (k) Compute F valueH0 : the restriction（s） is valid （14.8） ·Estimate the ULS regression and obtain the R2 ·Estimate the RLS regression and obtain R *2 ·Find out the number of restrictions(m). ·Find out the coefficients estimated in the unrestricted regression(K) ·Compute F value ( ) 2 ( ) 2 *2 ~ (1 )/( ) / Fm n k R n k R R m F − − − − =