probabilistic models for unsupervised learning
... Note the similarity to the EM algorithm! Trang 46Variational Bayesian LearningLower bound the evidence: Trang 47Variational Bayesian LearningEM-like optimisation: Finds an approximation to the ... generate that particular data set Trang 41M = 2−20 0 20 40 M = 5 −20 0 20 40 M = 6 0 1 2 3 4 5 6 0 0.2 0.4 0.6 0.8 1 M Trang 42Practical Bayesian ApproachesTrang 43Laplace Approximationdata set ... Assume the factors are non-Gaussian (and no noise) Mixture of Gaussians: A single discrete-valued factor: g>h [ i and gDj [ k for all l m n Mixture of Factor Analysers: Assume the data has
Ngày tải lên: 24/04/2014, 13:20
... signal representation approach and the signal modelling approach in the univariate and bivariate cases. Once the features were available, classification was per- formed using a simple linear discriminant ... and AR-COH synchronization values ranging from 0 to 1 are used as biomarkers in the bivariate case and are calculated for each brain region (lobe) assuming again a preselected lobe scheme that ... The bar graphs also show that overall the Gamma1 band was consistent, as well. For Task 2, the classification scores are more sporadic than those obtained for Task 1. The most stable result across
Ngày tải lên: 19/06/2014, 08:20
... based on node IDs, and there- fore mutual authentication can be realized after deployment since all keys are unique and each is associated with a pair of nodes. A path key can be established with ... Science, pp 471–486, Santa Barbara, Calif, USA, August 1992 W Du, R Wang, and P Ning,... 902–913, Miami, Fla, USA, March 2005 M Ding, D Chen, A Thaeler, and X Cheng, “Fault-tolerant target detection ... key s pace (D, G). Any public share in G has a unique pri- vate share in A, which form the so-called crypto-pair.For example, the ith column of G, and the ith row of A form a crypto-pair and the
Ngày tải lên: 22/06/2014, 22:20
Báo cáo hóa học: " Towards a Fraud-Prevention Framework for Software Defined Radio Mobile Devices" doc
... in a safe way, about that EK The Privacy CA, like the manufacturer, maintains a database of all available EKs (CA EKDB), indexed by MD(EK) This database has all information that the Privacy CA ... and a nonceC encrypted by the EK The manufac-turer maintains a database of all available EKs (M EKDB), indexed by MD(EK) The database has all information that the manufacturer needs about each ... Privacy CA has a database of valid EKs and this database is assumed to be secured stored, any SDR-MD that requests an AC and sends an invalid MD(EK) value, that is, hash of an EK that is not generated
Ngày tải lên: 23/06/2014, 00:20
Báo cáo y học: "An optimization framework for unsupervised identification of rare copy number variation from SNP array data." doc
... overall variant call rate. As we have shown, concordance rate can be artificially boosted sim- ply by calling variants at a high rate. When evaluating the per- formance of future methods on family-based ... and discussion We applied our algorithm to Affymetrix 6.0 array data from 270 HapMap individuals. The HapMap samples are divided into African (YRI), Caucasian (CEU) and Asian (CHB/JPT) ethnicities. ... other software packages. The DNA-Chip Analyzer (dChip) [24] is a Windows software package for Affymetrix platform and high-level analysis of gene expression microar- rays and SNP microarrays [14,25].
Ngày tải lên: 09/08/2014, 20:20
Báo cáo y học: "ExpressionPlot: a web-based framework for analysis of RNA-Seq and microarray gene expression data" doc
... [http://www.ebi.ac.uk/ena/ data/view/ERP000619] 28 Affymetrix - Sample Data, Exon 1.0 ST Array Dataset [http://www affymetrix.com/support/technical/sample_data/exon_array_data.affx] 29 Akira S, Takeda K: ... of the Barres Lab (Stanford), Myers Lab (HudsonAlpha Institute), Ravits Lab (Benaroya Institute) and Maniatis Lab (Harvard/Columbia) for providing data and/or user feedback This work was supported ... data Brad A Friedman1,2,3* and Tom Maniatis4 Abstract RNA-Seq and microarray platforms have emerged as important tools for detecting changes in gene expression and RNA processing in biological
Ngày tải lên: 09/08/2014, 23:20
Báo cáo y học: "A classification based framework for quantitative description of large-scale microarray data" ppsx
... synthesis Arginine MFS family FNR Amino acid catabolism LRP regulon Amino-acyl tRNA synthases DNA methylation OxyR ArcA TCA Peptidoglycan Transposon related Global regulators RNA modification ATPases ... related, targets of FIS, a nucleoid asso-ciated transcriptional regulator as well as anaerobic genes and targets of FNR, a regulatory gene for fumarate nitrite, nitrate reductases and hydrogenase ... Trang 1A classification based framework for quantitative description of large-scale microarray data Dipen P Sangurdekar *† , Friedrich Srienc *† and Arkady B Khodursky †‡ Addresses: * Department
Ngày tải lên: 14/08/2014, 16:21
A pair wise framework for country asset allocation using similarity ratio
... with the x-axis as the actual values (a) and the y-axis as the forecast (f) values, then each actual-forecast pair, (a, f), can be plotted on the Cartesian... important part” in forecasting We ... the weakness of a quantitative approach as rarely the case one can have a view of each and every asset. This is also the main reason why optimizer is seldom used by the traditional managers. ... Similarity Ratio is an innovative and intuitive measure that emphasizes on directional accuracy and yet able to make use of the magnitudes of the forecasts as tie-breaker if two sets of data have
Ngày tải lên: 26/09/2015, 09:39
Aneka a control software framework for autonomous robotic systems
... soccer system was chosen as a reference implementation plat-form because, in addition to their availability, they also have a few additional advantagesthat make them especially suited for testing ... computational power and imageacquiring/processing technologies, continues to be a vibrant research area with practicalapplications in areas such as autonomous vehicle navigation, human face detection ... the former more concerned with physi-cal systems whose dynamics can be modeled and analysed mathematically, and the latterwith areas that are more computational and symbolic in nature Superficially
Ngày tải lên: 29/09/2015, 13:01
Guidelines on a common appraisal framework for transport projects
... appropriate to adopt an approach which subjects a large number of projects to a sketch appraisal, before subjecting a smaller number to a more complete appraisal. A sketch appraisal could encompass a ... Sensitivity analysis should always form a part of the appraisal of projects. This involves evaluating proposals for a range of scenarios that reflect the project elements that are uncertain. 10.8.2 At a ... criterion are • • • • • • • 6.2 Air quality; Noise and vibration; Landscape and visual quality; Biodiversity; Cultural, archaeological and architectural heritage; Land use, soils and geology; and Water
Ngày tải lên: 04/10/2015, 19:50
Beyond compliance a production chain framework for plant health
... blight Ismail HASHIM Annamalai SIVAPRAGASAM Trang 17AANZFTA Australia New Zealand Free Trade AgreementACFS National Bureau of Agricultural Commodity and Food Standards (Thailand)ADB Asian Development ... management Annamalai SIVAPRAGASAM Mei Jean SUE Chan Fook WING Trang 15Food and Agriculture Organization (FAO) BangkokWan Normah WAN ISMAIL Yusof bin OTHMAN Lailatul Jumaiyah Saleh HUDDIN Aini ... national PRA frameworks, and biosecurity planning SPS issues are detailed in the draft ASEAN Trade in Goods Agreement (ATIGA) and the ASEAN–Australia–New Zealand Free Trade Agreement (AANZFTA)
Ngày tải lên: 11/07/2016, 21:19
A generative probabilistic framework for analyzing regional communities in social networks
... the snapshot quality and the history quality The authors of FacetNet also introduced a similar framework called MetaFac that employs metagraph factorization to extract communities in dynamic and ... Mrsteal Nadiahe Billyho Michael Eddiexo Joshuac Krisdul Giaeure Nekaros Rickyma Safeand Helloro Amandam Aliciam Kaylalu Evelove Rudegal Spindol Citydel Geebebe Findsor Redhotr Forgetr Badawim Wassthe ... sports, and general A topic is labeled as general if terms occurring in that topic are about different subjects making it unclear for a classification We manually label each community based on
Ngày tải lên: 09/01/2020, 23:18
Information quality framework for e-Learning systems
... Trang 1Information Quality Framework for e-Learning Systems Mona Alkhattabi* School of Computing, Informatics and Media University of Bradford Bradford, BD7 1DP, UK E-mail: monaalkhattabi@gmail.com ... University of Bradford Bradford, BD7 1DP, UK E-mail: A.J.Cullen@bradford.ac.uk *Corresponding author Abstract: Information quality frameworks are developed to measure the quality of information systems, ... questionnaire data and factor analysis supporting our conclusions Keywords: E-learning; Information quality; Information systems; quality frameworks Biographical notes: Dr Mona Alkhattabi graduated the
Ngày tải lên: 10/01/2020, 08:40
A standardised, holistic framework for concept-map analysis combining topological attributes and global morphologies
... systematic approach to concept-map analysis combining topological normalisation, determination of structural parameters and global morphological classification is a standardised, easily applicable ... topological analysis and morphological classification that builds on Kinchin’s (2000) suggestion to take a combined approach to analysis, in an attempt to form a standardised and reliable basis for ... while also avoiding the pitfalls of an atomistic analysis often accompanying quantitative concept-map analysis schemes Our framework can be combined and cross-compared with a content analysis
Ngày tải lên: 10/01/2020, 09:56
A risk assessment framework for construction project using artificial neural network
... propose a risk assessment framework using Artificial Neural Network (ANN) technique Three main phases of the proposed framework are risk management phase, ANN training phase and framework application ... risk management phase, ANN training phase and framework application phase A list of Risk Factors is created and analyzed to determine risk values using FMEA method The input data for the ANN model ... risks using ANN technique Three main phases of the proposed framework are risk management phase, ANN training phase and framework application phase A list of Risk Factors is created and analyzed to
Ngày tải lên: 11/02/2020, 12:51
WASABI: A dynamic iterative framework for gene regulatory network inference
... networks Wave times were estimated for each gene from simu-lated population data for RNA and protein (data available in supporting information) Table 1 provides estimated waves time for the cascade ... number of acceptable candidates We then analyzed a situation where we added either an auto-activation loop or a negative feedback (Fig.4-a and c and supporting information for estimated wave times) ... temporal property is therefore of paramount impor-tance for causality inference using dynamic data In our mechanistic and stochastic model of GRN [36] (detailed A B C D Fig 1 WASABI at a glance a
Ngày tải lên: 25/11/2020, 12:16
COMBImage2: A parallel computational framework for higher-order drug combination analysis that includes automated plate design, matched filter based object counting and temporal
... format), PE: partially exhaustive (particular subsets among a panel of drugs are evaluated), E: exhaustive (all possible subsets among a panel of drugs are evaluated), intra: intra-plate analysis (experiment ... as well as writing of the manuscript • Knut and Alice Wallenberg Foundation (2013.0280): wet lab experiments and collection of data Availability of data and materials The datasets generated and ... untreated cells Discussion COMBImage2 is a parallel and modular computational framework for drug combination analysis of any order that includes automated plate design, matched filter based object
Ngày tải lên: 25/11/2020, 12:32
2. ErLinkTopic: A generative probabilistic framework for analyzing regional communities in social networks
... the snapshot quality and the history quality The authors of FacetNet also introduced a similar framework called MetaFac that employs metagraph factorization to extract communities in dynamic and ... main approaches have been applied, namely snapshot community matching, evolutionary clustering, and probabilistic models The MONIC framework for finding and monitoring cluster transactions was ... from another Based on this measure, five events called becomes, splits, merges, disappears, and appears that might happen to a community during two consecutive snapshots are defined Sitaram Asur
Ngày tải lên: 04/04/2021, 12:35
A fuzzy ahp framework for evaluating stakeholders performance in construction projects
... several manifest variables; and simultaneously estimate both causal relationships among latent variables and manifest variables It is an advanced application of factor analysis and regression analysis ... multivariate regression, SEM performs factor analysis and path analysis simultaneously because it can measure and accommodate errors of manifest variables (i.e observed variables); Trang 31variables) ... regulations and laws, contractor violations of safety rules, and modifications to materials specifications ranked among the least important factors Adnan Enshassi, Abdul-Rashid Abdul-Aziz and Saleh Abushaban
Ngày tải lên: 13/10/2022, 07:50
Finding Common Ground in Educational Reform A Sample of Advocates for Professional Learning Communities
... analyze and constantly aim forhigh, internationally benchmarked standards; analyze student data and plan instruction; map and articulate curriculum; and observe andcoach each other PLCs are an ... that establish a new foundation for America’s schools” (National Commission on Teaching and America’s Future, 2003, p 17) The National Board of Professional Teaching Standards was formed to advance ... Teachers and staff collaborate to remove barriers to student learning Teachers communicate regularly with each other about effective teaching and learning strategies” (National Education Association,
Ngày tải lên: 18/10/2022, 21:01
Bạn có muốn tìm thêm với từ khóa: