correlation coefficient 中文意思是什麼

correlation coefficient 解釋
關聯系數
  • correlation : n. 相互關系,相關(性);對比;交互作用;【數學】對射,異射。 correlation index 關聯指數。 correlation mineral 對比礦物。
  • coefficient : adj. 共同作用的。n. 1. 共同作用;協同因素。2. 【數,物】系數,率;程度。
  1. Most grow best and form pycnidia earlier on ma, and pda is slightly not fitful for pycnidia growth of the kind of fungi. none of the species can produce ascocarps in 60 days. esterase isoenzymes of 12 strains of rhytismataceae were studied by polyacrylamide gel electrophoresis and clustering analysis of upgma and 12 strains were classified into 4 groups when correlation coefficient is 3. 1

    結果表明大多數種在ma平板上菌落營養生長最好,產生分生抱子器及分生抱子的時間較早、能力較強; oa也是可選擇的培養基之一:而p a較不適宜於該類菌物的營養生長和分生抱子器產生。
  2. 0, the correlation coefficient it the highest and also sensitive to the change of azimuth angle. it is unfavorable to retrieve

    而順壟掃描則相關系數最高,且對方位角變化敏感,不利於
  3. The correlation coefficient between 1 mol / l ntljoac extracted k and k uptake by corn plant was much lower than that with resin membrane k. 4. the k adsorbed on resin membrane after extraction was easily desorbed by 0. 5 mol / l hc1 solution. the k desorbed in the first time had a very significant correlation with k uptake by corn seedling in the - k treatment of pot experiment

    用1mol l中性nh _ 4oac提取的土壤速效鉀與盆栽耗鉀試驗中首茬玉米吸鉀量之間的相關系數較低,雖然也達到了極顯著水平,但明顯低於樹脂膜室內埋置法提取的土壤鉀與玉米吸鉀量之間的相關系數。
  4. Pearson product - moment correlation coefficient

    皮爾森積矩相關系數
  5. The sensor exhibits a linear response to c3 in the concentration range 6. 5ng / ml to 75ng / ml, correlation coefficient 0. 973. 4 ) a novel enzyme - link fluoroimmunoassay system using 2 - chloro - 10 - [ 3 - ( 4 - methyl - l - piperazinyl ) propyl ] 10h - phenothiazine ( prochlorperazine ) as substrate to determine the goat anti - igg was developed by using polystyrene ( ps ) as carrier. the hrp - labled goat anti - igg can catalyze the oxidation of prochlorperazine to cause the increasing of fluorescence

    4 )以聚苯乙烯( ps )製成史持體,通過疏水性非特異吸附將igg固定在其表面,然後與gaigg和酶標gaigg進行競爭免疫反應,以雙氧水和甲哌氯丙嗪混合溶液為熒光底液,通過測定395nm處熒光增強的多少來測定gaigg的濃度,熒光響應與gaigg濃度在2n留ml到60n留ml之間呈準線性關系。
  6. While the spearman ' s rho correlation coefficient between the dividend yield and ex - dividend price ratio is positive, but not statistically significant at 5 % level. so the ex - dividend day price ratios do not provide much evidence in support of dividend tax clienteles

    而1995 - 2000年股價變動股利比與股利率的相關系數為正,但是相關性不顯著,因此中國深市不存在稅收客戶群效應。
  7. The models were validated with adopting local weather ( average temperature per month, average maximum temperature per month ; average minimum temperature per month ; sunlight times per month, and latitude ), varieties, and experiment data from different yielding levels in nanjing and jinan areas, the correlation coefficient, standard error of absolute deviation, and average absolute deviation between the observed and the stimulated were 0. 9761 and 0. 9620 with 0. 01 significant level, 0. 5891 and 0. 7094, and 0. 12 and 0. 43, respectively

    所建模型可以利用當地常年氣象資料( 30年平均值,如月平均氣溫、月平均最高和最低氣溫以及月日照時數、緯度) ,確定不同地區、產量水平與品種最適葉面積指數動態,為小麥數字化栽培提供科學依據。
  8. Calibration graph obtained by the modified procedure for ddmbac showed good linearity and its correlation coefficient was above 0. 999. the coefficients of variation and average recovery of added ddmbac were up to the mustard. the linear concentration ranges for batch determination of ddmbac were 0. 06 ~ 3. 33mg / l

    利用改進后的方法對ddmbac的測定建立了質量控制體系,其標準曲線的相關系數大於0 . 999 ,線性良好,精密度和準確度均符合檢測要求,線性范圍為0 . 06 ~ 3 . 33mg / l 。
  9. 2. the software of measuring the areas of 2d - materials could exactly count the leaf area. the correlation coefficient of leaf area measured by traditional copy method and scanning method was significant high ( r = 0. 997l )

    2 、該軟體能夠快速精確的測定葉片面積,計算機掃描法與傳統的復印稱重法測定植物葉面積的相關系數r為0 . 9971 ,達極顯著水平。
  10. First, some inequalities of gram determinant and further, some estimates for correlation coefficient of a system of random vectors and its subsystems are obtained

    本文首先給出了矩陣行列式的幾個不等式,進一步,給出了多組隨機變量及其子系統的相關度量的幾個估計
  11. The correlation analyses were conducted for the rations between the vegetation indices and the sampled grass yield data which were taken as the grassland biomass quotas. the results indicated that there are quite high correlations between the vegetation indices and the grassland yield data. among them the rvi has the highest correlation coefficient, ndvi in the next, and then successively tvi, msavi, infrared index, savi, gvi, dvi and w vi, but bvi has the lowest correlation coefficient that there is a negative correlation coefficient between bvi and the biomass

    對各種常用植被指數和草地生物量進行相關分析,由分析結果得出,比值植被指數( rvi )與草地生物量的相關性最高,相關系數達到0 . 885 ,其次為ndvi ,然後依次為tvi 、 msavi 、紅外指數、 savi 、 gvi 、 dvi和wvi ,而bvi與草地植被生物量呈負相關關系,且相關性最低,總的來說,遙感植被指數和草地生物量具有較好的相關關系,因而,利用植被指數來建立草地生物量監測模型是可行的。
  12. 3. reliability : l ) split - half reability computers the split - half correlation coefficient of the scale with the date of the 142 effective cases. 2 ) test - retest reliability : selects 30 cases to calculate person correlation coefficient after a month later

    3 、信度檢驗: ( 1 )分半信度:利用正式施測的有效樣本142例,計算量表的按因素分半的相關系數。
  13. Ii the correlation coefficient were negative and high between summer rainfall in north china and sea - ice of hudson bay from may to august in the same year

    ( 2 )華北夏季降水與哈得孫灣5 8月的海冰呈負相關。
  14. Two indexes was calculated to estimate the best bands union for color combination, one is optimum index factor ( oif, the sum of standard deviation divided by the sum of correlation coefficient. ), the other is the determinant of the co - variance matrix. it can be seen from the result that for color combination the original optimal bands were tm 4, 3, 7 and tm 4, 3, 5, the best mixed images were mnf1, br and ndvi

    以協方差矩陣行列式值和最佳指數值(組合波段標準差之和除以相關系數之和)為評價標準,得出對于tm原始波段而言,最佳的彩色合成組合是tm4 、 3 、 7和tm4 、 3 、 5 ;綜合幾種變換圖像的彩色合成的最佳組合是mnf1 、 br 、 ndvi 。
  15. X2 test with 2 2 contingency table and ochiai indices were used to analyze the interspecific association of 12 dominant species of meadow community and 20 dominant species of scrub community and 18 dominant species of tree community. pearson ' s correlation coefficient and spearman ' s rank correlation coefficient were also applied to calculate correlations between species

    在該地區植被的優勢種的種間關系的研究方面,運用2 2列聯表、 x ~ 2檢驗方法對群落優勢種進行總體相關性和種對間的聯結性檢驗,利用共同出現百分率jaccord指數測定種對間的關聯度,應用pearson相關系數和spearman秩相關系數刻畫種對間的數量變化關系。
  16. Note : the value in bracket is correlation coefficient

    注:括號內數值為相關系數。
  17. On the basis of theory analysis, the average transmitted light intensity ( correspond to dc value ) was determined as characteristic parameter of raw water using photoelectric method for monitoring the fluctuation of transmitted light and photometric dispersion analyzer ( pda ). the dc value was closely related to both particle concentration and surface area of sand clay simultaneously. the experimental results shows that there is an exponential function relation between dc and surface area of sand clay in unit volume water ( sp ) : dc = asbp in which a and b are empirical coefficients. then the formula of macromolecule flocculant dosage is found to be d = f ( dc ) = e ( dc ) f in which e and / are empirical coefficients and the average correlation coefficient equal to 0. 981. so the model of automatical control system of water treatment plant was established using the formula

    應用透光率脈動檢測技術和光散射顆粒粒度分析儀( pda ) ,通過理論分析,將pda的輸出信號之一? ?平均透光強度(對應于dc值)作為原水的特性表徵參數, dc值可以同時反映顆粒濃度和比表面積因素的影響,試驗結果證明, dc值與單位體積水中泥沙顆粒總表面積s _ p之間具有很好的冪函數關系: dc = cs _ p ~ d ,式中c 、 d為經驗系數,進而得到了以dc值為參數的高分子絮凝劑投藥量公式: d = f ( dc ) = e ( dc ) ~ f ,式中: e 、 f為經驗系數,平均相關系數達0 . 981 ,利用所建立的公式,建立了前饋? ?后饋聯合控制的在線自動投藥模型。
  18. Calibration results indicate that this angular rate gyro has good linearity with correlation coefficient of 0. 9996, and high precision with standard error of 0. 0036

    標定結果表明,該角速率陀螺線性度好,相關系數為0 . 9996 ;精度高,標準誤差為0 . 0036 。
  19. The wave - front aberration ' s cumulating of optics elements in multi - pass amplifying system was researched more deeply. considering the correlation between optics elements " wave - front aberrations caused by the similar fabrication technique, the correlation coefficient was adopted to revise calculation rule of superimposition which used in estimating system ' s static wave - front aberration and allocating optical machining precision. 3

    進一步研究了多程放大系統中光學元件波前誤差的疊加規律,並考慮到釹玻璃片加工工藝的相似性所導致的波前相關性,將相關系數耦合到波前誤差疊加公式中,使修正後的公式能更準確地預估系統靜態波前和分配光學元件加工精度要求; 3
  20. In this paper we also discuss the relationship between the total net radiation from 08 to 17 and the total solar radiation retrieved from the satellite visible picture at the same time interval. the result reveal the total surface net radiation is evidently reverse to the total solar radiation, the correlation coefficient of one station is high to 0. 9. but tianjin is exceptional, the total surface net radiation is correlative to the total infrared radiation

    同時探討了08 - 17時總地表凈輻射與衛星紅外和可見光數字雲圖反演的輻射能量的關系,研究表明08 - 17時總地表凈輻射與衛星可見光反演得到的地氣系統反射的08 - 17時各時刻的和反相關顯著,個別站點相關系數達0 . 9以上,但也有一例外,天津站08 - 17時總地表凈輻射與地氣系統發射的紅外輻射相關顯著。
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