statistical basis of regression and partial least squares analysis
Statistical Methods of Valuation and Risk Assessment: Empirical Analysis of Equity Markets and Hedge Fund Strategies
Ngày tải lên :
16/04/2013, 20:00
... the standard deviation of the residuals from the style analysis of the hedge fund strategy S using the nine indices, σI is the standard deviation of the residuals from the style analysis of the ... concept of concordance and discordance which informally says that a pair of random variables are concordant if large values of one tend to be associated with large values of the other and small ... estimates the standard error of the parameter estimate by the empirical standard deviation of the B replications The result is called the bootstrap estimate of standard error and is evaluated...
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Báo cáo y học: " Predicting transcription factor activities from combined analysis of microarray and ChIP data: a partial least squares approach" potx
Ngày tải lên :
13/08/2014, 23:20
... transcription factors often work in conjunction with other regulators, and rarely act independently Partial least squares regression Here we propose to employ the method of partial least squares regression ... The objective function of partial least squares regression J Chemometrics 1998, 12:41-54 de Jong S, Wise BM, Ricker NL: Canonical partial least squares and continuum power regression J Chemometrics ... on partial least squares, a computationally efficient statistical regression tool Network component analysis combines microarray data with ChIP data with the aim of enhancing the estimation of...
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Báo cáo khoa học: "A Part of Speech Estimation Method for Japanese Unknown Words using a Statistical Model of Morphology and Context" pptx
Ngày tải lên :
23/03/2014, 19:20
... lookup So the topic of interest is part of speech estimation Some statistical model to estimate the part of speech of unknown words from the case of the first letter and the prefix and suffix is proposed ... ) and f(ci[ci-t, < W T > , ) are the relative frequencies of the character unigram and bigram for each word type and part of speech, f(ci) and f(cilci_l) are the relative frequencies of ... a sequence of kanjis followed by hiraganas Figure shows the word length distribution of and t h a t of hiraganas followed by kanjis, respecwords consists of only kanji characters and words tively...
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a means to an end the biological basis of aging and death apr 1999
Ngày tải lên :
11/06/2014, 05:26
... and Lifespan, T h e Nature of Cellular Senescence and Death, T h e Evolution of Senescence and Death, 21 41 Of Embryos and Worms and Very Old Men: T h e Developmental Genetics of Senescence and ... of the least understood processes in all of biology, and thus one of the least understood aspects of human medicine T h e simplest statements about it often provoke seemingly endless debate and ... loses elasticity and tone because of changes in collagen, the major protein of all connective tissue, and becomes wrinkled because of both collagen changes and an increased production of a protein...
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Báo cáo hóa học: " Research Article NLOS Identification and Weighted Least-Squares Localization for UWB Systems Using Multipath Channel Statistics" potx
Ngày tải lên :
22/06/2014, 19:20
... of the received signal be represented as L h(t) = αl δ t − τ l , (1) l=1 where L is the total number of MPCs, and αl and τ l are the amplitude and delay of the lth MPC, respectively The TOA of ... K-S hypothesis test with 5% of significance level The mean and standard deviation of In(τ m ) and In(τ rms ) as well as the K-S passing rates are tabulated in Table 2, and their corresponding PDFs ... Correlation coefficient between two random variables R1 and R2 is given by ρR1 ,R2 = (E(R1 R2 ) − E(R1 )E(R2 ))/σ R1 σ R2 , where σ R1 and σ R2 are the standard deviations of R1 and R2 , respectively (13)...
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Báo cáo toán học: "Optimal Packings of 13 and 46 Unit Squares in a Square" pps
Ngày tải lên :
08/08/2014, 12:22
... segment √ with a length of at least b − 2 + In the situation of Corollary 7, we will simply refer to the (length of the) intersection of the box with one of the edges of R as being the left, ... to the case of 13 squares Theorem 46 non-overlapping unit squares cannot be packed in a square of side length less than Proof: Let S be the square [0, 7]2 and consider the collection of 45 points ... 10 points and pairs of alternative points Three points are placed at (1, 1.74), (2, 1.74), and (1.6, 1), while one pair consists of the points A and B from above The remaining points and pairs...
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Investigating the molecular basis of siah1 and siah2 e3 ubiquitin ligase substrate specificity
Ngày tải lên :
23/09/2015, 14:47
... Molecular Basis of Siah2 Substrate Specificity Given the different roles of Siah1 and Siah2 in cancer and their different cellular functions, it is important to understand the structural basis of their ... PHD3 Homology modeling and docking of Siah2 SBD and PHD3 Interaction of chimeric forms of Siah1 and Siah2 SBD with PHD3 The three dimensional (3D) models of Siah2 SBD and PHD3 were prepared by ... Interaction of wild type (WT) and chimeric Siah proteins with PHD3 (a) Diagrammatic representation of the WT Siah1 and Siah2 SBD, which comprises of 1–193 residues, and the chimeric forms of Siah1 and...
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Orthogonal partial least squares discriminant analysis in metabolomic for disease characterization
Ngày tải lên :
02/10/2015, 17:13
... Component Analysis 18 iv 1.3.3 Partial Least Squares/ Projection to Latent Structures 19 1.3.4 Orthogonal Partial Least Squares Discriminant Analysis 20 1.3.5 Pre-treatment of Data for ... how metabolomics and multivariate statistical methods such as Orthogonal Partial Least Squares Discriminant Analysis (OPLS-DA) can be used to study and enhance understanding of two diseases The ... Tandem mass spectrometry NMR Nuclear magnetic resonance OPLS Orthogonal projections to latent structures/ orthogonal partial least squares PCA Principal component analysis PLS Partial least squares/ ...
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Tiểu luận môn phương pháp nghiên cứu khoa học ứng dụng partial least squares (PLS) vào phân tích đa nhóm
Ngày tải lên :
10/02/2016, 00:15
... liệu tham khảo - Handbook of Partial Least Squares - Vincenzo Esposito Vinzi, WynneW Chin, Jorg Henseler, and HuiwenWang - http://en.wikipedia.org/wiki /Partial_ least_ squares _regression - http://en.wikipedia.org/wiki /Partial_ least_ squares_ path_modeling ... minh biện pháp phải quy định mô hình cấu tạo III Tổng quan Partial Least Squares (PLS) Khái niệm partial least squares Partial Least Squares kỹ thuật sử dụng rộng rãi lĩnh vực hóa học, đặc biệt ... Ordinary Least Squares (OLS) Để hiểu rõ động lực PLS sử dụng liệu nhiều chiều lĩnh vực nghiên cứu hóa học, điều quan trọng phải hiểu cách phương pháp bình phương tối thiểu (Ordinary Least Squares...
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An application of GIS and Remote Sensing for Analysis of Agricultural Development-Induced Changes in Land Use: A case study in Lao PDR pdf
Ngày tải lên :
17/03/2014, 11:20
... improperly ways and induced to change in land use and land covers by despoilment of forest covers and traditional farming system • The problems above due to lack of an appropriate tool in terms of integrated ... The lowland farms are located between 300 to 450 msl Results and Discussions • The result of interpretation of two images ETM+1999 and ETM+2004, it provided two land use maps of 1999 and 2004 ... In each map was classified into 11 categories of land use/land cover types Land covers 1999 Land covers 2004 Intensive of changed areas 11 1999 land use classes 2004 Km2 % Km2 % Dark evergreen...
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Báo cáo khoa học: "Accuracy and feasibility of point-of-care and continuous blood glucose analysis in critically ill ICU patients" pptx
Ngày tải lên :
13/08/2014, 03:20
... using the MiniMed Com-Station® and software The CGMS calculates blood glucose values in the range of 2.2 to 22.2 mmol/l (40 to 400 mg/ dl) Statistical analysis Results of paired measurements (laboratory ... Precision PCx point -of- care glucometer showed a fair correlation coefficient, was judged to be user-friendly (in spite of the use of test strips and the higher chance of spilling blood), and delivers ... Correlation of blood gas/glucose analyser ABL715 and subcutaneous CGMS System Gold (mmol/l) CGMS, continuous glucose monitoring system Values for the mean ± SD (range) of pH, pO2, and haematocrit of the...
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simultaneous determination of PAHs and PCBs by GCMS Analysis
Ngày tải lên :
09/09/2015, 09:39
... Simultaneous Determination of PAHs and PCBs by GCMS Analysis The National Grid and other Ordnance Survey data are used with the permission of the Controller of Her Majesty’s Stationery Office Licence No: ... Survey carries out the geological survey of Great Britain and Northern Ireland (the latter as an agency service for the government of Northern Ireland), and of the surrounding continental shelf, ... use of land resources for new development Since the Industrial Revolution vast quantities of hydrocarbons have been, and still are, contaminating the environment Past and present use of land...
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Báo cáo hóa học: " Research Article A New Method for Least-Squares and Minimax Group-Delay Error Design of Allpass Variable Fractional-Delay Digital Filters" pdf
Ngày tải lên :
21/06/2014, 07:20
... Acoustics, Speech, and Signal Processing, vol 35, no 11, pp 1557–1564, 1987 [27] M Lang and T I Laakso, “Simple and robust method for the design of allpass filters using least- squares phase error ... in Table It can be observed that both ετ and εθ of the proposed method are smaller than those of the existing method [23], but the performances of ετ2 and εθ2 for the proposed method are not as ... Signal Processing and the respective inner iterations are three and two in the first and second outer iterations, and one in the others Figure 3(d) presents the final group-delay errors, and the errors...
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Báo cáo hóa học: " Research Article Equalization of Loudspeaker and Room Responses Using Kautz Filters: Direct Least Squares Design" pot
Ngày tải lên :
22/06/2014, 23:20
... comparative study of least- squares and homomorphic techniques for the inversion of mixed phase signals,” in Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing ... University of Technology, in 1970 and 1978, respectively From 1980 he is Professor in acoustics and audio signal processing at the Helsinki University of Technology in the Department of Electrical and ... scientific and engineering papers and contributed to organizing several conferences and workshops He is an AES Fellow and Silver Medalist as well as Member of IEEE (Institute of Electrical and Electronics...
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Báo cáo khoa hoc:" Statistical methods and the subjective basis of scientific knowledge" pps
Ngày tải lên :
09/08/2014, 18:21
... rigorous and general presentation of Mr FISHER’s theory, extending results of Mr DOOB and of Mr DUGUE (5) Let g (x B) be a function of random variable x and of the unknown i , i parameter B, and suppose ... probabilities of those that have not been formulated yet, and these may be appreciable, because the history of scientific theories is the history of the abandonment of old hypotheses and of the keeping of ... frequency of equal to - a, over a long series of experiments of the same type, and where there is no selection of results The theory of confidence intervals can be combined with that of estimation Often,...
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Tài liệu Báo cáo khoa học: Basis of recognition between the NarJ chaperone and the N-terminus of the NarG subunit from Escherichia coli nitrate reductase pdf
Ngày tải lên :
16/02/2014, 14:20
... first site with binding stoichiometry (n) of 0.3 ± 0.2 and a binding constant (Kd) of 3.4 ± · 10)9 m and a second with a stoichiometry of 0.7 ± 0.1 and a Kd of 3.3 ± · 10)7 m (Fig 5A) Identical results ... Overlay of 1H,15N-HSQC spectra at 300 K of NarG(1–28) peptide in the absence (black trace) and in the presence (orange trace) of molar ratio of NarJ Fig S2 Overlay of 1H,15N-HSQC spectra at 300 K of ... (ITC) and BIAcore analysis showed that protonation of the chaperone is responsible for a pH-dependent modulation of the peptide binding affinity Results and Discussion The N-terminal part of the...
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Báo cáo khoa học: Protein–protein interactions and selection: generation of molecule-binding proteins on the basis of tertiary structural information potx
Ngày tải lên :
06/03/2014, 11:20
... loops of heavy and light chains Y/S library in BC, DE and FG loops 10 FN3 Randomization in BC, DE and FG loops Fig Local artificial library design in (A) CDR loops of Fv and (B) BC, DE and FG ... from only Tyr, Ser, Asp, and Ala, and X-ray structural analysis demonstrated the importance of Tyr residues [38] The construction of more restricted libraries from only Tyr and Ser residues (YS binary ... between Thr25 and Glu26 Fv Fig Functionalization of small scaffold proteins by replacing a loop of the scaffold protein with a CDR loop of antibody fragments (A) Replacement of the candidate location...
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Báo cáo khoa học: Molecular basis of cytokine signalling – theme and variations docx
Ngày tải lên :
15/03/2014, 09:20
... about the storage and realization of genetic information As a sounding illustration of this topic, one of the Brandenburg Concertos was played and in parallel the single pages of the partitur, ... receptor of the ligand, whereas the main core structure binds into the epitope for the type II receptor of the BMP ligand Therefore, the binding of the receptors of both subtypes is blocked and BMP ... Phe41, Leu43 and Val69) as well as the ligand (Y56 and K84) (B) The side chain of Glu9 of IL-4 forms several hydrogen bonds to the main and side chain groups of IL-4Ra (Tyr13 OH, Ser70 main chain...
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MORAL PRINCIPLES AND MEDICAL PRACTICE, THE BASIS OF MEDICAL JURISPRUDENC potx
Ngày tải lên :
15/03/2014, 13:20
... acts of Doctors, as of any other men, would be right and praiseworthy, and others wrong and worthy of condemnation; even there Doctors and patients and their relatives would have certain rights and ... and likeness; and let him have dominion over the fishes of the sea, and the fowls of the air, and the beasts, and the whole earth, and every creeping creature that creepeth upon the earth.” And ... are often unjust, or, at least, very imperfect, and therefore they cannot be the ultimate test or fixed standard of right and wrong; yet the main argument advanced by one of the advocates of craniotomy...
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Báo cáo khoa học: The structural basis for catalytic function of GMD and RMD, two closely related enzymes from the GDP-D-rhamnose biosynthesis pathway pdf
Ngày tải lên :
16/03/2014, 01:20
... of antibodies against A band in host serum correlates with extended duration of disease and reduced lung function [20] An eight-gene cluster encodes functions for synthesis and export of A-band ... (compound A) and the growth of peaks corresponding to the anomeric resonances of the 4-keto (compound B) and gem-diol (compound C) forms of GDP-6-deoxy-d-lyxo-hexos-4-ulose (Fig 4B) On the basis of integration ... integration of the anomeric signals, the 4-keto and gem-diol forms of this compound coexist in equilibrium at an approximately : ratio Full assignment of the NMR spectra of compounds B and C and measurement...
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