variance n. 1.變化,變動(dòng),變更;變度,變量;【統(tǒng)計(jì)】(平)方(偏)差。 2.(意見等的)相異;不和,沖突,爭(zhēng)論。 3.【法律】訴狀和供詞的不符。 at variance with 和…不和;和…不符 (at variance with the facts 不符事實(shí)。His conduct is at variance with his words. 他言行不符)。 set at variance 使不睦,離間。
Then discusses its properties , such as biased property , relative efficiency of generalized variance and superiority comparisons between generalized ridge estimation and generalized least squares estimation . shows iterative algorithm based on the mean dispersion error 該估計(jì)雖然具有偏崎,但其估計(jì)精度具有良好的性質(zhì),如:有偏性、方差一致最優(yōu)性、相對(duì)于廣義最小二乘估計(jì)的廣義方差效率、 mde ? ?有效性等。