components of variance 中文意思是什麼

components of variance 解釋
方差的分量
  • components : 部件
  • of : OF ＝Old French 古法語。
  • variance : n. 1. 變化，變動，變更；變度，變量；【統計】（平）方（偏）差。2. （意見等的）相異；不和，沖突，爭論。3. 【法律】訴狀和供詞的不符。
  1. Quadratic estimates of variance components and admissibility

    方差分量二次型估計及容許性
  2. The heath - carter anthropometric so - matotyping method was used. the somatotype components and distributions was calculated and compared with t - test and analysis of variance to test differences among the somatotype means and the somatotype attitudinal distance ( sad )

    按性別、城鄉、年齡進行了分組和體型計算，對不同組別的體型三因子值及體型分佈狀況進行了比較，應用t檢驗和方差分析對不組別的體型均值和體型點進行了分析。
  3. Variance and covariance components of each effect were estimated by minimum norm quadratic unbiased estimation ( minque ) method

    用minque法估計各項效應的方差和協方差分量，用aup法預測隨機效應。
  4. Principal components analysis showed that the first four principal components variance accumulation contribution rate amounts to 89. 53 %, which reflected most of the variance information as listed characters above

    通徑分析結果顯示，直接通徑系數大小排序，產量因素性狀依次為單株成鈴單鈴子棉重子指衣分；纖維品質性狀依次為紡紗均勻性指數麥克隆值整齊度伸長率比強度2 . 5 %跨長。
  5. Since the first three principal components can account for 81 % of the total variance, the three corresponding fields should be able to represent the main characters of the spring precipitation. they are : synchronized in the whole area of the province ( 63 % of the total variance ), out of phase with southeastern part and northwestern part ( 11 % of the total variance ), and out of phase with southwestern part and northeastern part ( 7 % of the total variance )

    發現前3個典型場就基本能反映山東省春季降水分佈的主要特徵，其累積方差貢獻率為81 ，前3個典型場為：總體一致型（方差貢獻率為63 ） 、東南-西北反位相型（方差貢獻率為11 ） 、西南-東北反位相型（方差貢獻率為7 ） 。
  6. The essential idea was that an incomplete data set including missing values was partitioned into several fuzzy clusters by using local principle component with least variance, and through solving the general inverse matrix of the data to obtain the principle components of each sub - clusters, the missing values in clusters could be estimated based on local principal components utilizing a simple linear model

    其基本思想是，先利用具有最小方差的局部主成分，把包含有遺漏值的不完備數據集劃分成多個模糊聚類，然後通過求解廣義逆矩陣來獲得各個子聚類的主成分，最終在局部主成分的基礎上通過簡單的線性方程模型去佑計聚類中的遺漏值。
  7. As goldfeld - quandt test can only be applied to one independent variable, it is generalized in the second section. it shows that, in multivariate situation, the data can be arranged according to their principle components. but there should be a premise : the disturbances of the lower data group should have equal variance and those of the higher data group have the same variance

    由於戈德菲爾德-匡特檢驗方法只適用於一個自變量，因此，本文對g - q檢驗進行了推廣，說明在多變量的情況下，可以利用主成分對樣本數據進行排序，並強調使用戈德菲爾德-匡特檢驗的前提：低樣本組各觀察值的擾動項必須具有同方差性；高樣本組各觀察值的擾動項也必須具有同方差性，否則，檢驗的結果可能是錯誤的。
  8. Based on the ncep / ncar reanalysis products, the sea ice concentration data and the observation rainfall data in china, the seasonal, intraseasonal and interannual variations of the atmospheric circulation in the southern hemisphere ( sh ) are systematically analyzed together with their influences on east asian summer monsoon ( easm ). the major conclusions are summarized as follows : ( 1 ) in the lower level of the troposphere, the semi - annual oscillation ( sao ) is most active along 40 s and 65 s in the extratropics of the sh. over these latitudes, the variance percentages of sao exceed 70 %, and the anti - phase variation of the sea level pressure ( slp ) between the two latitudes is primarily caused by their sao components

    利用ncep ncar再分析資料、南半球海冰密度資料及中國臺站降水資料，本文系統分析了南半球大氣環流的季節、季節內和年際變化特徵及其對東亞夏季風的影響，主要結論歸納如下： （ 1 ）對南半球熱帶外大氣環流而言， 40 s和65 s是低層大氣準半年振蕩最為顯著的兩個緯帶，在這兩個緯帶上，半年波的貢獻都超過了70 ，二者季節變化的反位相主要體現為半年波分量的反位相。
  9. Admissibility of linear estimate in a general variance components model

    一般方差分量模型中線性估計的可容許性
  10. Spca arithmetic has smaller number of spectral principal components and greater variance contribution than pca by choosing proper kernel functions and parameters

    當選取合適的核函數和參數時，譜主成分的個數比主成分的個數要小且累積方差貢獻率要大。
  11. The expressions of average value and variance of the phase difference and sum components are presented. we verified that under an appropriate condition the interference between the different transition processes makes counter balance, which induces the atom - field coupling system to be decoupled. the atomic population coherent trapping will take place

    模的相位保持隨機分佈，給出了光場兩個模相位差以及相位和的平均值與方差表達式，揭示了在適當的條件下，由於不同躍遷通道間的量于干涉效應，光場與原子退耦合，系統呈現原子布居數的相干俘獲現象。
  12. As far as the general mixed - linear model is concerned, this paper explores the two - staged prediction of the linear combination about the fixed effects, and the random effects and meanwhile an approximate computation formula is derived for the mean square error of the two - staged prediction which paves the way for comparing and contrasting the advantages and disadvantages of different variance components

    摘要對一般的線性混合模型，研究其固定效應與隨機效應線性組合的兩步預測問題，給出了兩步預測均方誤差的一個近似計算公式，為比較不同方差分量估計的優劣性進一步奠定了基礎。
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