marketable surplus and post harvest losses of ragi in ... - Agmarknet

H’∑k = lXˆ hkThe estimate of variance of Yˆ k isH N 2 h N h n h H′ V 2 hih′Vˆ (Yˆ k) = ∑ [ ----- (l-f nh ) A hk + ---- ∑ ∑ ----- (l – f vhih′ ) B hih′k +h=l n h n h i=l h′=l v hi h′N h n h H′ V hih′ v hih′ M 2 hi h′j k--- ∑ ∑ ----- ∑ -------- (l –f mhih′jk ) C hi h′j k ]n h i=l h′=l v hih′ j=i m hih′j kwhere,ln hA hk = ---- ∑ (Ŷ hik – Rˆ hk Xˆ hi k ) 2n h -l i=llv hih′B hih′ k = ------ ∑ [( Yˆ hi h′ j k – Rˆ h k Xˆ hi h′j k) – (Yˆ hi h′k – Rˆ hk Xˆ hi h′ k)] 2V hih′ -l j=l1 m hih′jkC hih′ jk = ----------- Σ [ ( y hih′j kl -- Rˆ hk x hi h′j k l ) – (Yˆ hi h′ j k – Rˆ hk Xˆ hi h′ j k ) ] 2m hih′jk –1 1=1Rˆ hk =Ŷ hkXˆ hkM hih′ j km hih′ j kYˆ hi h′ j k = ----------- Σ y hih′jk1m hih′ j k 1=1Yˆ hi h′j k = --------1 m hih′jkΣ y hih′ j k1m hih′ j k 1=1M hih′ j km hih′ j kXˆ hi h′j k = -------- Σ x hih′jk1m hih′ j k 1=11 m hih′j kXˆ hi h′j k = --------- Σ x hih′j k1m hih′jk 1=1m hih′j kf mhih′ j k = ------------------------M hih′ j k