... Simple linear regression and correlation Introduction Our problem objective is to analyse the relationship between numerical variables; regression analysis is the first tool we will study Regression ... with mean E(y) = β + β x and a constant y is normally distributed with mean E(y) = β00 + β11x and a constant standard deviation σ standard deviation σεε E(y|x3) The standard deviation remains ... relationship between the odometer reading and the selling price of used cars A random sample of 100 cars is selected and the data are recorded in file XM21-03 Find the regression line Independent variable...
Ngày tải lên: 05/06/2014, 08:40
... editor, Syntax and Semantics: Discourse and Syntax, pages 337354 Academic Press, New York D Litman and J Allen 1990 Discourse processing and commonsense plans In P R Cohen, J Morgan, and M E Pollack, ... non-linguistic criterion, the correlation of linguistic devices with independently derived segments can be investigated Grosz and Hirschberg (Grosz and Hirschberg, 1992; Hirschberg and Grosz, 1992) derived ... discourse by placing a boundary at all and only those locations with a subject boundary Such an algorithm has 100% recall and precision, and 0% fallout and error For each narrative, our human...
Ngày tải lên: 08/03/2014, 07:20
phase equilibria and fluid properties in the chemical industry estimation and correlation
... Barner, H E and Quinlan, C W , I and E.C Proc Des Dev (1969) 8, 407 Chueh, P L and Prausnitz, J M., A.I.Ch.E Journal (1969) 15, 471 Reid, R C and Sherwood, T K., "The Properties of Gases and Liquids," ... 10017 T h e advice, financial and moral support, and the concern for local arrangements, publicity, registration by Sandford Cole, Harold Commerer, Dean Benson and their staff permitted us to ... Foundation was a key ingredien for many American and have been otherwise unable to participate T h e interest and support of Marshall L i h and William Weigand of the National Science Foundation were...
Ngày tải lên: 02/04/2014, 16:19
Regression and likelihood (springer.1999)(305s)
... local regression literature and elsewhere in the smoothing literature See Craven and Wahba (1979), Cleveland and Devlin (1988), Buja, Hastie and Tibshirani (1989), Wahba (1990), Hastie and Tibshirani ... Local Regression Methods This chapter introduces the basic ideas of local regression and develops important methodology and theory Section 2.1 introduces the local regression method Sections 2.2 and ... such as reading and manipulating data and initializing graphics devices Books such as Krause and Olson (1997), Spector (1994) and Venables and Ripley (1997) cover this material, and much more Acknowledgements...
Ngày tải lên: 09/04/2014, 16:33
fitting classes and injectors
... Fitting classes and injectors and let P and Q be a Sylow p-subgroup and a Sylow q-subgroup of ES (G) respectively Applying Proposition 7.2.2 (2) and Theorem 7.2.4, there exist S-injectors V and ... Theorem 7.4.17 Let (d, A) be an outer F -Fitting sets pair relative to G and let H be a Fitting set of A 7.4 Fitting sets, Fitting sets pairs, and outer Fitting sets pairs 347 The collection Hd−1 ... supersoluble Lockett class 7.4 Fitting sets, Fitting sets pairs, and outer Fitting sets pairs This section has two main themes The first is connected with Fitting sets and injectors The second subject...
Ngày tải lên: 12/05/2014, 02:04
Predicting corporate bankruptcy using multivariant discriminate analysis (MDA), logistic regression and operating cash flows (OCF) ratio analysis A Cash Flow-Based Approach
... expected (Anand, 2007) to monitor and regulate themselves and to adhere to a rigid code of ethics (ibid) Arthur Anderson and its participation in the Enron, WorldCom and Global Crossing scandals has ... defining board specific processes and procedures for compliance audits, inspecting and policing compliance conduct with the and quality mandates of control and Sarbanes-Oxley enforcing (Green, ... accounting procedures and bankruptcy laws, i.e Wang and Campbell, (2010, China), Lugovskaya, (2009, Russia), Lifschultz and Jacobi, (2010, Israel), Lu and Chang (2009, Taiwan), and Charitou, et al,...
Ngày tải lên: 01/06/2014, 14:03
intrusion detection and correlation challenges and solutions (advances in information security)
... INTRUSION DETECTION AND CORRELATION: Challenges and Solutions by Christopher Kruegel‚ Fredrik Valeur and Giovanni Vigna; ISBN: 0-387-23398-9 THE AUSTIN PROTOCOL COMPILER by Tommy M McGuire and Mohamed ... original signal into two frequency-bands (called subbands), which are often denoted as coarse scale approximation (lowpass subband) and detail signal (highpass subband) Then, the same procedure is ... art of‚ and set the course for future research in information security and two‚ to serve as a central reference source for advanced and timely topics in information security research and development...
Ngày tải lên: 03/06/2014, 01:41
Báo cáo khoa học: "Dramatic regression and bleeding of a duodenal GIST during preoperative imatinib therapy: case report and review" pot
... the duodenum with a maximal standard uptake value (SUV) of 15,5 The tumor had contact to the pancreatic caput and led to compression of the inferior caval vein and the inferior mesenterial vein ... reconstructed by gastrojejunostomy (Traverso-Longmire) on the one hand and an end-to-side-pancreaticojejunostomy on the other hand An ileotransversostomy was performed to reconstruct the gastrointestinal ... infiltration of the duodenal wall leading to ulceration and perforation, an infiltration of the pancreas and two peripankreatic tumor islands (Fig 2) There were no signs of metastases in locoregional...
Ngày tải lên: 09/08/2014, 03:21
Báo cáo y học: "The role of a pseudocapsula in thymic epithelial tumors: outcome and correlation with established prognostic parameters. Results of a 20-year single centre retrospective analysis" pptx
... involvement and distant metastasis and infiltration of adjacent structures did not have any prognostic influence Regression analysis demarked a significant correlation only for vessel infiltration and ... determined by using the log-rank test and in case of significance a univariate analysis and Cox -regression analysis was carried out Results Pathological and Clinical Findings According to the ... critical review of surgical records and pathology reports Further more, R-, Nand M-Status was classified in addition to a local infiltration of vessels and pericardium and the presence of a pseudocapsula...
Ngày tải lên: 10/08/2014, 10:20
Báo cáo y học: " Mutations in the E2-PePHD region of hepatitis C virus genotype-3a and correlation with response to interferon and ribavirin combination therapy in Pakistani patients" pptx
... thank all the subjects and doctors for their cooperation in the study Authors’ contributions SA and MI conceived of the study participated in its design and coordination and gave a critical view ... Changchien CS: Mutations in the NS5A and E2-PePHD region of hepatitis C virus type 1b and correlation with the response to combination therapy with interferon and ribavirin J Viral Hepat 2003, 10(2):87-94 ... genotype-3a and correlation with response to interferon and ribavirin combination therapy in Pakistani patients Virology Journal 2010 7:377 Submit your next manuscript to BioMed Central and take...
Ngày tải lên: 11/08/2014, 21:21
Báo cáo y học: "Enhanced late-outgrowth circulating endothelial progenitor cell levels in rheumatoid arthritis and correlation with disease activity" doc
... disease and thus represent innovative biomarkers Therefore, our aims were (a) to enumerate EPCs and lateoutgrowth endothelial colony formation in RA patients and controls, (b) to assess correlations ... between EPC counts, CEC counts, and RA activity, and (c) to correlate EPC and CEC counts with levels of serum markers of synovitis or endothelial injury Materials and methods Patients The study ... reach statistical significance (Table and Figure 1b) The CEC and EPC levels in RA patients as well as in controls were correlated (r = 0.43 and 0.74, P = 0.003 and 0.0015, respectively) (Figure 2)...
Ngày tải lên: 12/08/2014, 11:23
Báo cáo khoa học: "parison between logistic regression and neural networks to predict death in patients with suspected sepsis in the emergency room" ppsx
... Spearman correlation coefficient A significant correlation (r = 0.44) was found between age and GSD (P = 0.0000) Similar correlations, but to a lesser degree, were found between age and Shock ... considered were age and the acute physiology variables of the Acute Physiology and Chronic Health Evaluation (APACHE) III score They constructed logistic regression and ANN models for a random set of ... analysis for logistic regression, and drafted the manuscript CM participated in the design and coordination of the study, and contributed to the statistical analysis JF and DA participated in...
Ngày tải lên: 12/08/2014, 22:21
Báo cáo y học: "Circulating retinol binding protein 4 in critically ill patients before specific treatment: prognostic impact and correlation with organ function, metabolism and inflammation" pot
... represents 50% of the values and horizontal lines show minimum and maximum values of the calculated nonoutlier values; asterisks and open circles indicate outlier values The correlations between variables ... uni- and multivariate Cox regression analyses, KaplanMeier curves and log-rank test calculations were performed subsequently for different cutoff values for RBP4 (9, 10, 11, 12, 13, 14 and 15 ... renal failure, as demonstrated exemplarily by the correlation with serum creatinine Spearman rank correlation test, correlation coefficient r and P values are given The reduction of serum RBP4...
Ngày tải lên: 13/08/2014, 21:21
Báo cáo y học: "iVici: Interrelational Visualization and Correlation Interface" pdf
... Gavin and coworkers [10] are colored red and those found only in the data reported by Ho and coworkers [11] are colored green comment Figure (see multiple datasets Correlation of previous page) Correlation ... large-scale pull down experiments [10,11] In panels a and b of Figure 2, networks of protein interactions derived by Gavin and coworkers [10] and Ho and coworkers [11] are represented In order to discriminate ... network of protein-protein interactions and its correlation with mRNA expression profiles Figure Representation of a network of protein-protein interactions and its correlation with mRNA expression...
Ngày tải lên: 14/08/2014, 16:20
CH19 estimating volatilities and correlations
... How Good is the Model? The Ljung-Box statistic tests for autocorrelation We compare the autocorrelation of the 2 ui with the autocorrelation of the ui /σi Forecasting Future Volatility (equation ... 30 50 100 500 Volatility increase (%) 0.84 0.61 0.46 0.27 0.06 Correlations and Covariances (page 475-477) Define xi=(Xi-Xi-1)/Xi-1 and yi=(Yi-Yi-1)/Yi-1 Also σx,n: daily vol of X calculated on ... Standard Approach to Estimating Volatility (page 461) Define σn as the volatility per day between day n-1 and day n, as estimated at end of day n-1 ...
Ngày tải lên: 31/03/2015, 10:00
Quantum chaos and correlations in multipartite systems
... gratitude to my mum and dad, my grandparents, and my great-aunt I would like to thank them for raising me up, for showering their love on me, and for allowing me to pursue my dreams and goals without ... lines), NAB (solid lines) and N1A (dash-dotted lines), F = and g = 0.8 95 4.10 Entanglement dynamics of DRM characterized by N12 (dashed lines) and NAB (solid lines), F = 0.4 and g = 0.1 ... [88] The PPT criterion is only necessary and sufficient for × and × 3, and only necessary for higher dimensional systems [98] For CV systems PPT is necessary and sufficient for separability of Gaussian...
Ngày tải lên: 09/09/2015, 08:18
Báo cáo khoa học: "Statistics review 7: Correlation and regression" pot
... confidence intervals and prediction intervals become wider for values of the predictor variable further from the mean Assumptions and limitations The use of correlation and regression depends on ... to be Regression line, its 95% confidence interval and the 95% prediction interval for individual patients independent For correlation both variables should be random variables, but for regression ... hypothesis that the correlation is 0, but in order to interpret confidence intervals for the correlation coefficient both variables must be Normally distributed Both correlation and regression assume...
Ngày tải lên: 12/08/2014, 20:20
Forecasting creditworthiness in retail banking a comparison of cascade correlation neural networks, CART and logistic regression scoring models
... techniques and applications Conventional statistical techniques including logistic regression (LR) have been widely used and compared with non-parametric techniques such as classification and regression ... Investors within and beyond the Six stand to benefit from a more stable banking system which adopts a powerful scoring system to forecast the soundness and profitability of banks and their borrowers ... a long and creditable financial history and/ or powerful collateral Statistical modelling techniques help to break these bounds by equipping any bank to expand lending activities within and beyond...
Ngày tải lên: 26/09/2015, 12:03
Báo cáo y học: "Correlations of HBV Genotypes, Mutations Affecting HBeAg Expression and HBeAg/ anti-HBe Status in HBV Carriers"
... England Biolabs) and observed on 2.0 % agarose gel (Promega) Digested products for T1762A1764 dual mutations would yield 197 bp and 110 bp while A1762G1764 wild-type would be undigested and remained ... EcoNI (New England Biolabs) and observed on 2.0 % agarose gel (Promega) T1858 variant would produce 20 bp and 190 bp restriction products while C1858 variant would be undigested and remained at ... has made the subtypes Ba and Bj as another variable to look at in the correlation analysis between genotypes and core promoter mutations The varying proportions of the Ba and Bj subtypes within...
Ngày tải lên: 02/11/2012, 10:14
Chapter 6 The Single Index Model and Bivariate Regression
... displayed in & gure The mean monthly returns on IBM and the market index are 0.9617% and 1.3992% per month and the sample standard deviations are 5.9024% and 6.8353% per month, respectively Hence the ... estimated regression model The variable C refers to the intercept in the regression and MARKET refers to rMt The least squares regression coefficients are reported in the column labeled Coefficient and ... in the regression The standard deviation of the residuals is essentially equal to the standard error of the regression - the difference being due to the fact that the formula for the standard...
Ngày tải lên: 17/12/2013, 15:17