vector autoregression and error correction models
Cointegration and error correction
... Tutorial 22 © Roy Batchelor 2000 11 11 Johansen test for cointegrating vector( s) EVIEWS Tutorial 23 © Roy Batchelor 2000 Cointegrating vector (cf First stage regression) EVIEWS Tutorial 24 © Roy Batchelor ... ldiv Exogenous I(0) Exogenous I(0) variables variables affecting stock affecting stock index and index and dividends dividends EVIEWS Tutorial 27 About 10% of About 10% of disequilibrium disequilibrium ... Roy Batchelor 2000 44 Cointegration: two variables r The variables lft500 (log of stock index) and ldiv (log of dividends per share) are both I(1) r We can test whether they are cointegrated...
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Tài liệu Báo cáo khoa học: "Reading Level Assessment Using Support Vector Machines and Statistical Language Models" pdf
... e.g Lee and Myaeng’s (2002) genre and subject detection work and Boulis and Ostendorf’s (2005) work on feature selection for topic classification For our LM classifiers, we followed Boulis and Ostendorf’s ... development and test sets The dev and test sets are the same size and each consist of approximately 5% of the data for each grade level measures For comparison to other methods, e.g Flesch-Kincaid and ... development set and test set, respectively The grade and classifiers have the best performance, probably because grade and must be distinguished from other classes at both higher and lower levels...
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EVIEWS tutorial Cointegration and error correction potx
... Tutorial 22 © Roy Batchelor 2000 11 11 Johansen test for cointegrating vector( s) EVIEWS Tutorial 23 © Roy Batchelor 2000 Cointegrating vector (cf First stage regression) EVIEWS Tutorial 24 © Roy Batchelor ... ldiv Exogenous I(0) Exogenous I(0) variables variables affecting stock affecting stock index and index and dividends dividends EVIEWS Tutorial 27 About 10% of About 10% of disequilibrium disequilibrium ... Roy Batchelor 2000 44 Cointegration: two variables r The variables lft500 (log of stock index) and ldiv (log of dividends per share) are both I(1) r We can test whether they are cointegrated...
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Tài liệu Báo cáo khoa học: "Grammar Error Correction Using Pseudo-Error Sentences and Domain Adaptation" pdf
... real -error corpus was used We used two metrics: 1) Precision and recall rates of the error correction by the systems, and 2) Relative improvement, the number of differences between improved and ... presented an error correction method of Japanese particles that uses pseudo -error generation We applied domain adaptation in which the pseudoerrors are regarded as the source domain and the real-errors ... 924–933, Portland, Oregon 392 Andreas Stolcke, Jing Zheng, Wen Wang, and Victor Abrash 2011 SRILM at sixteen: Update and outlook In Proceedings of IEEE Automatic Speech Recognition and Understanding...
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Tài liệu Báo cáo khoa học: "A Joint Statistical Model for Simultaneous Word Spacing and Spelling Error Correction for Korean" pdf
... Spacing and Spelling Error Correction 3.1 Problem Definition Given a sentence T which includes both word spacing errors and spelling errors, we create correction candidates C from T , and find ... spelling correction candidates Candidates are increased in number by inserting the blank characters on the created candidates, which cover the spacing error correction candidates We find the best candidate ... as above, and each Jaso has its own correction candidates For example, Jaso ‘ㅇ’ at 4th column has its candidates ‘ㅎ’, ‘ㄴ’ and ‘X’ And two jaso’s ‘Xㅋ’ at 13th and 14th column has its candidates...
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Tài liệu Báo cáo khoa học: "Japanese OCR Error Correction using Character Shape Similarity and Statistical Language Model " pptx
... replacement errors, 244 (0.4%) insertion errors and 41 (0.06%) deletion errors Test2: Printed Character OCR Error Correction Accuracy The second experiment was designed to test the OCR error corrector ... Recognition Accuracy (Before NLP) Table 3: OCR score and the number of right and wrong corrections by the error corrector OCR score right correction wrong correction net improvements < = 100 294 281 13 ... rank of the candidates We refer to his method as the candidate rank method, and our method as the character similarity method Figure shows the recognition accuracies after error correction for...
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Báo cáo khoa học: "Tense and Aspect Error Correction for ESL Learners Using Global Context" potx
... Results Figures and show the Precision-Recall curves of the error detection and correction performance of each model The figures are grouped by error types: tense, aspect, and both tense and aspect ... 1.89 and a CRF and a MAXENT model with CRF++ 0.54.10 We use the default parameters for each toolkit In every method, we use the same features and feature described in Section 3, and use T -correction ... Tense/Aspect Error Corpus Table 1: Local features for a verb phrase Developing a high-quality tense and aspect error correction system requires a large corpus annotated with tense/aspect errors However,...
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Báo cáo khoa học: "Machine Aided Error-Correction Environment for Korean Morphological Analysis and Part-of-Speech Tagging" pptx
... have eliminated the errors of unknown words, and find errors with error correction rules and manual correction log, suggesting the candidate words Users can describe error correction rule easily ... in Figure In Figure 4, automatic correction means the right correction made by error detection using rule and manual correction log Manual correction means the correction made directly by user ... avoided 3.3 Correction of Errors The result produced by any tagger will contain errors, and correcting these errors would cost very much Hence, it would be helpful to correct tagging errors using...
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Báo cáo khoa học: "Combining Trigram and Winnow in Thai OCR Error Correction" potx
... POS trigram model and Winnow algorithm to the task of Thai OCR error correction The experimental result shows that our proposed method reduces both non-word errors and reai-word errors effectively ... ones The candidate generation routine uses a modification of the standard edit distance and employs the error- tolerant finite-state recognition algorithm (Oflazer, 1996) to generate candidate ... are adjacent to characters in the upper and lower level, and rarely causes insertion and deletion errors in the middle level For example, applying the candidate generation 839 routine with edit...
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Báo cáo hóa học: " Research Article Optimal JPWL Forward Error Correction Rate Allocation for Robust JPEG 2000 Images and Video " docx
... metric Taubman and Rosenbaum [15] and Descampe et al [16] characterize a JPEG 2000 packet by its precinct indices r and p (where r and p are, resp., its resolution and spatial location), and by its ... of error- free bursts is lower than the number of error bursts, but this gap is compensated by the time spent in error- free state (error- free burst length) which is much longer than the one in error ... (2) Let LG and LB be respectively the mean length of error free and erroneous sequences, then we have LG = , − pgg LB = − pbb (3) Max Agueh et al Error burst length distribution Error free burst...
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Báo cáo y học: "Coverage and error models of protein-protein interaction data by directed graph analysis" pptx
... RG and WH conceived and designed the investigations described in this report TC, DS and DS performed the computational and statistical analyses TC, RG and WH wrote paper All authors read and ... from Gavin and coworkers [10] An interaction between bait b and prey p is recorded by a dark pixel in (b,p)th position of the matrix (a) Rows and columns are randomly ordered; (b) rows and columns ... the prevalence of FP and FN stochastic errors, we calculated estimates of the expected number of FP and FN observations using Equations to 3, and present the results in Tables and Table considers...
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Congestion and Error Control in Overlay Networks
... Forward Error Correction Forward Error Correction (FEC) is a mechanism of error control that is based on introducing redundant data into the transmitted message thus allowing a receiver to detect and ... proposed that concern congestion and error control for such environments Following the discussion on IP multicast, Chapter presents congestion and error control schemes and algorithms operating at ... transport and network layers We continue this report by presenting a few interesting solutions 13 Chapter Congestion and Error Control in Unicast Environments Random Early Detection The Random Early...
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Tài liệu 98-21: Changes to the Error Correction Procedures ppt
... Not Exceeded and Journal Voucher Sample letter for agencies to send to employees who are affected by the new error correction procedures CFR Part 1605, Correction of Administrative Errors; Final ... the sum of Blocks and and excludes magnetic media header and trailer records Block 10, Employee Contributions Enter the amount of Employee Contributions in each of the G, F, and C Fund columns ... which are attributable to a prior year using the previous error correction procedures, the cumulative year-to-date contributions for that year and the year in which the contributions were posted to...
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Tài liệu Báo cáo khoa học: Computational processing and error reduction strategies for standardized quantitative data in biological networks doc
... average over the errors contributed by pipetting, electrophoresis and transfer, and other sources of noise Surprisingly, uncorrelated errors resulting from antibody detection and reprobing had ... data, we identified gel and transfer inhomogeneities as the major source for correlated errors These correlations could be eliminated by randomized sample loading, and error reduction was achieved ... as inhomogeneities in gel and transfer are likely to cause correlated errors in all blotting data Similarly, correlations can be eliminated by randomization and the errors can be reduced by criteria-based...
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Tài liệu Báo cáo khoa học: "Interactive ASR Error Correction for Touchscreen Devices" docx
... this work, followed by a “silent” demo of the correction method itself, using pre-recorded audio We will then demonstrate live speech input and correction using our own voices The audience will ... Sivadas and J Tian 2006 Short Message System dictation on Series 60 mobile phones Workshop on Speech in Mobile and Pervasive Environments (SiMPE) in Conjunction with MobileHCI 2006 Helsinki, Finland ... Moore 2004 Modelling Data Entry Rates for ASR and Alternative Input Methods Proceedings of Interspeech 2004 Jeju, Korea James R Lewis 1999 Effect of Error Correction Strategy on Speech Dictation Throughput...
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Trial and Error: J. Marion Sims and the Birth of Modern Gynecology in the American South docx
... he later standardized and patented as the Sims Speculum While these experiments allowed Sims to learn great deal about female anatomy and refine his surgical technique, the trial -and- error process ... great and good man was a native of the South, and that I can stand here to-night and claim that for that section of this Union, although remote from the great centers of medical learning and the ... escalated, and war was eminent He was a confederate, and he was publicly outspoken about his allegiance to the South The Civil War and Postwar Success In fact, in 1861, Sims fled the U.S and lived...
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Báo cáo khoa học: "Hierarchical Reinforcement Learning and Hidden Markov Models for Task-Oriented Natural Language Generation" ppt
... between alignment and consistency (Pickering and Garrod, 2004; Halliday and Hasan, 1976) on the one hand, and variation (to improve text quality and readability) on the other hand (Belz and Reiter, ... approach using the (hand-crafted) hierarchy of generation subtasks in Figure It consists of a root agent (M0 ), and subtasks for low-level (M0 ) ) navigation strategies (M ), and and high-level (M1 ... Foster and Oberlander, 2006) in a 50/50 distribution We evaluate the learnt surface realisation decisions in terms of similarity with human data Note that while we treat content selection and surface...
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Báo cáo khoa học: "A Morphographemic Model for Error Correction Nonconcatenative Strings" pot
... automata, see (Kiraz and Grimley-Evans, 1995) The error rules capture the correspondence between the error surface and the correct surface, given the surrounding partition into surface and lexical contexts ... multi-tape format and integrate seamlessly into morphological analysis PLC and PRC above are the left and right contexts of both the lexical and (correct) surface levels Only the =~ is used (error is ... (Damerau, 1964; Pollock and Zamora, 1983), normal 'no error' analysis usually resumes if an error rule succeeds T h e exception occurs with a vowel shift error (§3.2.1) If this error rule succeeds,...
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Gene Patents and Collaborative Licensing Models docx
... rights law, patents and biotechnology, IP and biodiversity, and IP and ethics She is author of numerous articles and monographies in the field of patent law in a national and international context ... preparing and prosecuting patent applications; contesting interferences, oppositions and arbitrations; litigating in District and Appellate courts, both as counsel and expert witness; and counseling ... focuses on intellectual property clearing houses and exchanges, patents and other collec tive rights organ izations, technology standards and patents, and historic systems of innovation She has undertaken...
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