linear regression 中文意思是什麼

linear regression 解釋
線性回歸
  • linear : adj. 1. 線的,直線的。2. 長度的。3. 【數學】一次的,線性的。4. 【動、植】線狀的;細長的。5. 由線條組成的,以線條為主的,強調線條的。
  • regression : n. 1. 復歸,回歸。2. 退步,退化。3. 【天文學】退行。adj. -sive ,-sively adv.
  1. At last, based on the theory of cubature, the multivariate linear regression equations are built up, and the traffic conversion coefficient of the controlled intersection junction are deduced

    最後,以容量法為理論基礎,建立多元線性回歸方程式,推導出信號交叉口車輛折算系數。
  2. In this paper, the effects of fly ash, cement, lime, fine sands, foam agent, w / c ratio and additional agent on foamed concrete were studied by experiments, the best combination ratio of fly ash foamed concrete whose density varies from 551kg / m3 to 650kg / m3 was obtained through orthogonal test design, the foam agent quantity and the fly ash quantity effect the fly ash foamed concrete greatly, so the author selected them as independents to establish duality linear regression equations, the equations were quite ideal through the test of model summary r. moreover, the author also did some experiments about the water resistance of magnesium oxychloride cement fly ash foamed concrete, the outcome showed that phosphoric acid has good effect on water resistance, and its appropriate quantity was found

    本文通過試驗研究了粉煤灰、水泥、石灰、細砂、發泡液、水灰比及外加劑對粉煤灰發泡混凝土性能的影響,採用正交設計試驗方法得出了600級粉煤灰發泡混凝土的最佳配合比,同時發現發泡液和粉煤灰摻量對發泡混凝土的影響最為顯著,因此,以二者為自變量建立了二元線性回歸方程,通過全相關系數的檢驗發現方程較為理想。此外,還對氯氧鎂水泥基粉煤灰發泡混凝土的耐水性進行了相關實驗,發現磷酸有較好的耐水性效果,同時找到了其合適的摻量范圍。
  3. In order to improve the efficiency of classification based on feature matching, the method of azimuth estimation from sar image is studied. a method of target ' s azimuth estimation from sar image using peak featur e based on linear regression is proposed, besides goodish estimation accuracy and high computation efficiency, it can also provide the confidence interval of the estimation, which can meet the need of model - based sar atr system that uses feature very well

    為了提高基於特徵匹配的saratr系統的分類效率,論文進一步研究了sar圖像目標方位角估計方法,提出了一種利用峰值特徵基於線性回歸的sar目標方位角估計方法,該方法除了具有計算速度快、估計精度較高的特點之外,還能在估計方位角的同時,給出該估計的置信區間,從而能更好地滿足利用特徵基於模型saratr系統的需要。
  4. The tree approach of linear regression models with categorical independent variables

    自變量含有類型變量的線性回歸模型的樹方法
  5. Multivariate linear regression analysis of the element bonding parameter of the lanthanides and properties

    鑭系元素鍵參數與物性的多元回歸分析
  6. For a set of gasoline samples, multivariate linear regression ( mlr ) and partial least squares ( pls ) calibration models are built to predict research octane number ( ron )

    針對一批實際生產裝置的汽油樣品,採用近紅外光譜定量分析中常用的多元線性回歸( mlr )與偏最小二乘( pls )方法,建立了汽油研究法辛烷值nir光譜預測模型。
  7. The main contributions of the work can be summarized in the following : 1 ) using on - line collected data, a soft - sensor model of the column compositions is constructed via multiple linear regression ( mlr ) and principal component regression ( pcr ) technique

    並分別選用多元線性回歸( mlr )和主成分回歸( pcr )方法對溶劑脫水塔產品組成進行建模,對所建模型進行了驗證,其結果表明模型的精度達到了預期的要求。
  8. The residual error amendment model is derived from fuzzy linear regression model, it can find the most suitable linear function to make the line difference sum in ideal linear regression minimum

    該模型是在模糊線性回歸模型的基礎上推導出來的,它可以尋找最合適的線性函數使理想線性回歸中的線差和達到最小。
  9. I have taken impotance to analyze the rallying point of famous product, concrete cost and capability of providing and guarantee in this artical, meanwhile, i have caculated the quantity of concrete needed for the year and got the regression equation with the historic data for drilling footage of eight years and the consuming quantity of oilwell cement by the method of linear regression, and it has very significance for the making of stock contract and the plan of concrete production, i have analyzed the physical distribution of oilwell cement by the transpotation flex and the advantage or disadvantage between direct distribution and distribution to store in this artical, and i have tried to find the balance point of the two distribution ways by the ecnomic analysis and pointd out the conception of economic semidiameter, and come to the conclusion of direct distribution, distribution to store, and subarea of distribution to store at last

    本文對油井水泥供應商在品牌號召力、水泥成本、供應保障能力等方面進行了詳盡分析,並對供應商進行了能力排序;用線性回歸方法從八年鉆井進尺與油井水泥消耗量的歷史數據推算了當年度油井水泥需求量,得出了回歸方程,這對于油井水泥采購合同的制訂、水泥供應商生產計劃的制訂具有相當重要的意義;從運輸彈性分析出發對油井水泥物流配送進行了研究,對直達配送、入庫配送的優缺點進行了詳細的分析,在經濟分析的基礎上力求找到兩種配送方式的均衡點,並提出了經濟半徑的概念,得出了直達配送、入庫配送、入庫分區距離等幾項結論。
  10. The results of linear regression indicate that the addition of pam do not alter the avrami exponents, about 2 - 3, which suggests that the crystallization modes might be a mixture of three - dimensional spherulite and two - dimensional circular

    Avrami方程線性回歸結果表明聚甲亞胺的加入對體系的avrami指數n影響不大, n值約在2 3之間。
  11. Firstly established plural linear regression model to estimate the river runoff uninfluenced by human. compare with the record of hydrology examinition stations, then analyze the influence degree of human factors, namely the diference of the two river runoff account

    通過多元回歸方程預測自然狀態下陜甘寧地區河川年徑流量,對比實測徑流量來分析人為因素對徑流量的影響程度。
  12. Regarding these factors as independent variable and abnormal return ( ar ) on announcement day as dependent variable, we establish a linear regression model

    並選取適當的變量代表這些因素,以增發公告日股票的異常收益率為因變量,建立了多元線性回歸模型。
  13. On the basis of field studies, puts forward the linear regression equation of neutral temperature that considers the climate adaptation. and then, brings forward bbdc firstly for every typical city

    在實際測試問卷調查的基礎上,首次建立了適合我國的中性溫度和室外平均溫度的關系式,並以此為依據給出了我國典型城市的建築氣候設計分析圖。
  14. In view of our country ' s climate differences and research object is passive building, suggests that using the linear regression of neutral temperature to set up the bio - climatic building design chart ( bbdc ) for passive buildings

    考慮到我國氣候的多樣性以及本文的研究目的,在建立氣候分析圖時,提出了利用描述自然房間室內中性溫度的線性回歸關系式,作為確定熱舒適區的依據。
  15. The application of multivariate linear regression analysis in the production of magnesite - carbon bricks

    多元線性回歸分析在鎂碳磚生產中的應用
  16. Finally, the method of estimating power customer emission level based on binary linear regression is put forward, which make it a condition that harmonic emission is steady at the point of common coupling. combined with power system thevenin equivalent and customer norton equivalent, according to the principle of least squares method, the voltage that a customer ' s harmonic current begets at the point of common coupling can be estimated in the light of the plural correlation of network parameters

    最後,提出了基於二元線性回歸的用戶諧波發射水平估計方法,該方法在假設公共聯接點諧波發射穩定的情況下,結合系統側戴維南等值與用戶側諾頓等值的電路圖,按照最小二乘法原理,利用電網各參數的復數關系推導關于系統側諧波阻抗的二元線性回歸方程,並根據諧波阻抗的估計值求取用戶諧波電流在公共聯四川大學碩士學位論文( 2003 )接點產生的電壓降。
  17. The forecast waterborne cargo volume in jiangsu is done in the sixth section, many mathematic models, such as grey model gm ( 1, 1 ) and linear regression analysis, have been used here and qualitative analyses such as delphi techniques are also used

    第五部分為江蘇省內河航運預測目的、作用及步驟,介紹了預測在實踐領域中的運用,江蘇省內河貨運預測的目的、作用、內容和方法、遵循的原則和原理以及實施的步驟等。
  18. The forecasts method including the forecast method of simple moving average, the forecast method of weighting moving average, the forecast method of single exponential smoothing, the forecast method of double exponential smoothing, the forecast method of multiplication model and the forecast method of monadic linear regression

    預測方法包括簡單移動平均法、加權移動平均法、一次指數平滑法、二次指數平滑法、乘法模型預測法和一元線性回歸方程預測法。
  19. On this basis, adopt the plural linear regression method, regard peasant ' s per capita income as the dependent variable, per capita agricultural land area, unit agricultural land area chemical fertilizer use amount, agriculture total value account for gdp proportion and land degradation the index data ( land degradation fictitious variable, land degradation percentage and land degradation the array variable of the degree ) as the independent variable

    在此基礎上,採用多元線性回歸方法,以農民人均收入為因變量,人均農業用地面積、單位農業用地面積化肥使用量、第一產業總值佔gdp比例和土地退化指標(土地退化與否的虛擬變量、土地退化百分比和土地退化程度的序列變量)為自變量來分析。
  20. By linear regression analyzing of the concentration of plankton microbe and settling microbe, we get the relationship between plankton microbe, settling microbe and air exchange rate, which reflect the randomness of bacterium in dynamic state. controlling the pressure difference effectively by adjusting forced draught blower and exhaust blower. comparing the jet fluid of different supply - air outlet, the diffuse pore plate is suit to assembling cleanroom

    通過對測得不同換氣次數下裝配式潔凈室室內的浮遊菌濃度和沉降菌濃度的一元線性回歸分析得出浮遊菌濃度和換氣次數的關系、沉降菌濃度和換氣次數的關系以及浮遊菌和沉降菌之間的關系,反映了動態情況下,細菌運動的隨機性。
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