multiple linear regression analysis using spss

... this study, we first present the forecasting model for predicting future gold price using Multiple Linear Regression method Then, we discussed the performance of the selected model and finally, ... study, we proposed the development of forecasting model for predicting future gold price using Multiple Linear Regression (MLR) The data used in this study are the Gold Prices (GP) from the London ... process of developing a forecasting model using MLR, there are two main problems: multicollinearity and correlated error terms In this study, stepwise regression is used in an attempt to remove...

Ngày tải lên: 22/05/2014, 08:03

... environment is described 4.1 First stage: multiple linear regression model-based TDE In Section 3.2, the multiple linear regression model including three -linear lines in 6π interval is explained ... method The multiple linear regression model-based LS method for IPD estimation is proposed in the expanded phase domain, Ωd The proposed method is composed of two stages: the multiple linear regression ... expansion method using frequency interpolation and phase shifting methodology is proposed Conventional linear regression model of IPD can be considered as a multiple linear regression model in...

Ngày tải lên: 20/06/2014, 20:20

... other regression variables The effectiveness of multiple regression model : it directly estimates the direct effect of the one regression variable on the dependent variable If we use a multiple regression ... the multiple regression model 10.1 BLUE – “Best Linear Unbiased Estimator.” This property is the same as for the simple regression model We should understand three properties of BLUEø : - Linear ... covariance of regression variables - and assuming that there is no perfect collinearity) 10.2 When there is perfect multi-collinearity (i.e not satisfy the OLS assumptions for the multiple regression...

Ngày tải lên: 20/12/2013, 18:15

... 11 Simple Linear Regression Analysis © The McGraw−Hill Companies, 2003 Text Chapter 11 F I G U R E 11.21 Simple Linear Regression Analysis MINITAB Output of a Simple Linear Regression Analysis ... Edition 452 11 Simple Linear Regression Analysis © The McGraw−Hill Companies, 2003 Text Chapter 11 F I G U R E 11.3 Simple Linear Regression Analysis The Simple Linear Regression Model (Here ... Regression Analysis © The McGraw−Hill Companies, 2003 Text Chapter 11 Simple Linear Regression Analysis 11.2 In the simple linear regression model, what are y, my͉x, and e? 11.3 In the simple linear regression...

Ngày tải lên: 12/05/2014, 05:56

... may inhibit the migration of leukocytes to the CNS [16], these inflammatory cells still Linear regression analysis was performed to evaluate the relationships between: CSF HIV-1 RNA viral load ... variables that influence HIV-1 cerebrospinal fluid concentrations in cryptococcal meningitis: linear regression analysis Variable HIV-1 plasma viral load In CSF: Leukocyte count Protein concentration ... investigation, no correlation was found between CCPA titer and CSF HIV-1 viral load in the linear regression analysis; that is, a higher antigen titer did not correlate with a higher viral load Our...

Ngày tải lên: 20/06/2014, 08:20

... Two approaches were used for analysis: data mining using classification and regression trees (CART) and standard statistical analyses using ordinary least squares regression We chose to use both ... variables (beta = 0.17, p = 0.04) (See Table 2) Standard multiple regression analyses Standard ordinary least squares regression was performed using some of the same variables used in the CART approach, ... HIV/AIDS prevalence rates was used The statistical assumptions for multiple regression were examined and met Because there was multiple co-linearity for some of the independent variables, particularly...

Ngày tải lên: 18/06/2014, 17:20

... in SPSS Value Labels window in SPSS Frequencies window in SPSS SPSS Output window Defining variables in SPSS Variable Type window in SPSS Value Labels window in SPSS Missing Values window in SPSS ... dataset as it appears in SPSS Save As window Opening SPSS in Windows XP SPSS 15.0 for Windows window in SPSS Open Data window Options window in SPSS Value labels icon in SPSS Viewing summaries ... variables in SPSS 3.2 Select Cases window in SPSS 3.3 Main SPSS window indicating that the “Select Cases” procedure is being used 3.4 Split File window in SPSS 3.5 Crosstabs window in SPSS 3.6 Define...

Ngày tải lên: 03/05/2014, 19:16

... markers At this point, the multiple co-inertia makes it possible to carry out a comparison between these typologies 2.1.1 Multiple co-inertia analysis Multiple co-inertia analysis is an ordination ... relationships and definition in British cattle: a genetic analysis, Heredity 93 (2004) 597–602 [68] Woronow A., Regression and discrimination analysis using raw compositional data – Is it really a problem? ... can be indicated using an arrow The tip of the arrow is used to show a location in the single marker analysis and the start of the arrow is the location of the breed in MCOA analysis If both...

Ngày tải lên: 14/08/2014, 13:22

... -4 -2 Regression Standardized Residual Regression Standardized Residual 50 -2 -4 1 Nếu bạn có ý định sử dụng kết phân tích nhân tố khám phá EFA để thực phân tích CFA (Confirmatory Factor Analysis) , ... phương pháp phân tích Tài liệu phát thêm Nhân số Khi EFA, hộp thoại Factor Analysis, bạn chọn nút Scores, sau nhấp chọn Regression để lưu lại nhân số nhân tố cách tự động Nhân số tính theo cách ... menu SPSS Chọn Analyze Data Reduction Factor Hình Khánh Duy Chương trình Giảng dạy Kinh tế Fulbright Niên khóa 2007-2008 Các phương pháp phân tích Tài liệu phát thêm Hình Khi hộp thoại Factor Analysis...

Ngày tải lên: 24/10/2012, 09:05

... Demonstrate “real-world” analysis using tcpdump • Let you participate in the analysis process The objectives of this course are to introduce you to the fundamentals and benefits of using tcpdump as a ... • Beginning Analysis • Real World Examples • Step by Step Analysis This page intentionally left blank Objectives • Examine the strengths/weaknesses of tcpdump • Organize collection /analysis process ... system It has a sensor and analysis component The sensor component collects network traffic and the analysis component fetches that traffic and analyzes it Both the sensor and analysis host process...

Ngày tải lên: 22/10/2013, 16:15

... references on non -linear regression models Malinvaud (1970b) devotes one long chapter to non -linear regression models in which he discusses the asymptotic properties of the nonlinear least squares ... holds in the linear case The practical consequence of the approximation (2.24) is that all the results for the linear regression model are asymptotically valid for the non -linear regression model ... model, the linear expenditure system, and the direct addilog system), some of which lead to multivariate (N = 9) non -linear regression models with linear constraints on the parameters, using Marquardt’...

Ngày tải lên: 23/10/2013, 10:15

... files Script files are especially useful for analysis and design problems that require long sequences of MATLAB commands With script file written using a text editor or word processor, the file ... information is displayed if help is requested for the function name (3) MATLAB can accept multiple input arguments and multiple output arguments can be returned (4) If a function is going to return more ... COMPLEX NUMBERS MATLAB allows operations involving complex numbers Complex numbers are entered using function i or j For example, a number z = + j may be entered in MATLAB as z = 2+2*i or z =...

Ngày tải lên: 23/10/2013, 16:15

... the applications of MATLAB in circuit analysis The topics covered in Part II are dc analysis, transient analysis, alternating current analysis, and Fourier analysis In addition, two-port networks ... “FrontMatter.” Electronics and Circuit Analysis using MATLAB Ed John Okyere Attia Boca Raton: CRC Press LLC, 1999 © 1999 by CRC PRESS LLC ELECTRONICS and CIRCUIT ANALYSIS using MATLAB JOHN Electrical Engineering ... CHAPTER FOUR DC ANALYSIS 4.1 NODAL ANALYSIS 4.2 LOOP ANALYSIS 4.3 MAXIMUM POWER TRANSFER 4.3.1 MATLAB diff and find Functions SELECTED BIBLIOGRAPHY EXERCISES CHAPTER FIVE TRANSIENT ANALYSIS 5.1...

Ngày tải lên: 27/10/2013, 23:15

... ≥ 3.5 Write a MATLAB program to convert analog signal x to digital signal y Test the program by using an analog signal with the following amplitudes: -1.25, 2.57 and 6.0 Solution MATLAB Script...

Ngày tải lên: 27/10/2013, 23:15

... ’text’) For example, the statement text(2.0, 1.5, ’transient analysis ) will write the text, transient analysis, beginning at point (2.0,1.5) Multiple text commands can be used For example, the statements ... graph may be specified using the statement: plot(x, y, ’g’) © 1999 CRC Press LLC implying, plot x versus y using green color Line and mark style may be added to color type using the command plot(x, ... a linear x-y plot There are three variations of the plot command (a) plot(x) (b) plot(x, y) (c) plot(x1, y1, x2, y2, x3, y3, , xn, yn) If x is a vector, the command plot(x) will produce a linear...

Ngày tải lên: 27/10/2013, 23:15

... shows a linear network with input x ( t ) and output complex frequency representation is also shown linear network x(t) y (t ) Its y(t) (a) X(s)est linear network Y(s)est (b) Figure 6.8 Linear ... factor using (a) analytical solution and (b) numerical so- For Figure 6.1, if lution Solution MATLAB Script diary ex6_1.dat % This program computes the average power, rms value and % power factor using ... By transforming the differential equations into algebraic equations using phasors or complex frequency representation, the analysis can be simplified For a voltage given by v (t ) = Vm eσt cos(...

Ngày tải lên: 06/11/2013, 09:15

... by using network analysis tools The differential equations are converted into algebraic equations using the Laplace transform The unknown current or voltage is then solved in the s-domain By using ... y(t) + C1 V2 C2 I1 L - Figure 5.11 Circuit for State Analysis Using the above guidelines, we select the state variables to be V1 , Using nodal analysis, we have © 1999 CRC Press LLC V2 , and i1 ... differential equation % Its m-file is diff1.m % % Transient analysis of RC circuit using ode % function and analytical solution % numerical solution using ode t0 = 0; tf = 20e-3; xo = 0; % initial conditions...

Ngày tải lên: 06/11/2013, 09:15

... FOUR DC ANALYSIS 4.1 NODAL ANALYSIS Kirchhoff’s current law states that for any electrical circuit, the algebraic sum of all the currents at any node in the circuit equals zero In nodal analysis, ... Solution By inspection, Vb = V1 − V4 (4.31) Using Ohm’s Law Ia = V4 − V3 (4.32) Using KCL at node 1, and supernode 1-2, we get V1 V1 − V4 V − V3 + − 5Vb + =0 10 Using Equation (4.31), Equation (4.33) ... (4.36) Using KVL for loop 1, we have − 10 I a + Vb + 5I a + 8( I a + 5) = (4.37) Using Equations (4.31) and (4.32), Equation (4.37) becomes − 10 I a + Vb + 5I a + I a + 40 = i.e., 3I a + Vb = −40 Using...

Ngày tải lên: 06/11/2013, 09:15

... VCC RB R B1 + R B R B = R B1 R B (12.24) (12.25) Using Kirchoff’s Voltage Law for the base circuit, we have VBB = I B RB + VBE + I E RE (12.26) Using Equation (12.18) and Figure 12.6b, we have ... temperature, the stability factors are calculated using Equations (12.37), (12.39), (12,48) and (12.49) The changes in V BE and I CBO with temperature are obtained using Equations (12.32) and (12.33), respectively ... IB2 Figure 12.11 Wilson Current Source Using KCL at the collector of transistor Q3 , we get I C1 = I R − I B = I R − IO βF therefore, I O = βF ( I R − I C1 ) Using KCL at the emitter of Q3 , we...

Ngày tải lên: 13/12/2013, 01:15

... Figure 11.4 Z2 Zin Z1 Va Vin A I1 Vo I2 Figure 11.4 Inverting Configuration of an Op Amp Using nodal analysis at node A, we have Va − Vin Va − VO + + I1 = Z1 Z2 (11.3) From the concept of a virtual ... is shown in Figure 11.11 Z2 Z1 Va A I1 Zin Vo Vin Figure 11.11 Non-Inverting Configuration Using nodal analysis at node A Va Va − VO + + I1 = Z1 Z2 (11.22) From the concept of a virtual short circuit, ... Configuration © 1999 CRC Press LLC Solution Using voltage division sC1 V1 ( s) = V IN R1 + sC1 (11.26) From Equation (11.24) VO R2 ( s) = + sC2 V1 (11.27) Using Equations (11.26 ) and (11.27), we...

Ngày tải lên: 13/12/2013, 01:15