Studies on machine learning for data analytics in business application
Studies on machine learning for data analytics in business application
... data for each domain and the remaining 1600 labeled reviews in each domain are used as training data All unlabeled data are used for latent representation learning For computational reason, only ... Recently, there is increasing research interest in the application of machine learning methods for business analytics (Abbasi and Chen 2008, Rui and Whinston 2011) and results are promising However, ... much more needs to be done In this thesis, we focus on predictive analytics problems in the context of business applications and utilize machine learning methods to solve them In particular, we look...
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Báo cáo toán học: " A virtual infrastructure based on honeycomb tessellation for data dissemination in multi-sink mobile wireless sensor networks" pot
... A virtual infrastructure based on honeycomb tessellation for data dissemination in multisink mobile wireless sensor networks Ay¸eg¨l T¨ys¨z Erman∗ , Arta Dilo and Paul Havinga s u u u Pervasive ... and challenges of using mobile sinks in WSNs Next, we introduce our virtual infrastructure based on honeycomb tessellation and the protocol based on it, hexagonal cell -based data dissemination (HexDD) ... the data towards the rendezvous area instead of storing it locally Thus, the virtual infrastructure enables data persistence against node failures Main disadvantage of using a virtual infrastructure...
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STUDIES ON CATTLE MILK AND MEAT PRODUCTION IN FOGERA WOREDA: PRODUCTION SYSTEMS, CONSTRAINTS AND OPPORTUNITIES FOR DEVELOPMENT doc
... declined due to production constraints such as lack of production inputs and lack of information on dairy and beef production and marketing and also the dairy and beef market are localized Therefore, ... the production constraints of milk and meat of the woreda and to indicate the interventions for the indicated production constraints LITERATURE REVIEW 2.1 Origin and Current Classification of ... STUDIES ON CATTLE MILK AND MEAT PRODUCTION IN FOGERA WOREDA: PRODUCTION SYSTEMS, CONSTRAINTS AND OPPORTUNITIES FOR DEVELOPMENT BELETE ANTENEH TARIKU A THESIS...
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Pre formulation studies on microcrystalline cellulose for grouping and predicting their performance in extrusion spheronization
... be done before all questions can be answered 31 INTRODUCTION PRE- FORMULATION STUDIES ON MCC In the preceding sections, source variation among MCC grades and its impact on the role and performance ... grouping tool provided a basis for interchangeability between MCCs and to predict their performance in extrusion- spheronization Certainly, it also presents considerable advantages in expediting pre- formulation ... Extrusion- Spheronization Parameters 166 3.2 Spheroid Properties 171 DEVELOPMENT OF A PRE- FORMULATION TOOL TO GROUP MCCS AND PREDICT THEIR PERFORMANCE IN EXTRUSIONSPHERONIZATION 176 4.1 Relationship...
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Statistical Machine Learning for High Dimensional Data
... References • Statistical Machine Learning Lafferty, Liu and Wasserman (2012) • The Elements of Statistical Learning Hastie, Tibshirani and Friedman (2009) (www-stat.stanford.edu/˜tibs/ElemStatLearn/) ... problems are high dimensional But often, the relevant information is effectively low dimensional Nonparametricity Make the weakest possible assumptions Preview: Graphs on Equities Data Preview: ... Regression • High dimensional regression • Sparsity • The lasso • Some extensions 20 High Dimensional Linear Regression Now suppose p is large We even might have p > n (more covariates than data points)...
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Statistical Machine Learning for High Dimensional Data Lecture 2
... 100, p = 20 0 and X , , X n ∼ N(0, Σ) 1000 Risk 120 0 1400 1600 where σjk = ρ|i−j| and ρ = 0 .2 0.0 0 .2 0.4 0.6 0.8 1.0 1 .2 1.4 Threshold 37 Example We find that Σ−S F = 420 Σ − Σt F = 20 Σ−S = ... matrices S1 , S2 Threshold S1 to get Σt,1 Repeat N times: (Σt,1,1 , S2,1 ), , (Σt,1,s , S2,s ), , (Σt,1,N , S2,N ) Let R(t) = where A F = j,k N N Σt,1,s − S2,s F s=1 A2jk = trace(AAT ... RSS 0.1894 41 Sparse Coding Mathematical formulation of dictionary learning: G y (i) − X α(i) 2n α,X such that g=1 Xj 2 + λ α(i) ≤1 42 Sparse Coding for Natural Images Original patch Reconstruction...
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Statistical Machine Learning for High Dimensional Data Lecture 3
... ● ● ● ● 14 15 ● ● 2.5 ● ● ● 16 weight ● ● 3. 0 ● ● ● ● 3. 0 ● ● 20 ● ● ● ● ● 3. 5 choline 3. 5 4.0 ● ● 20 phosphorus 2.5 3. 0 3. 5 44 Statistical Scaling for Prediction Let F be class of matrices of ... ● 2.0 ● ● ● ● 1.5 ● 1.0 1.5 2.0 2.5 ● ● ● ● 3. 5 1.0 1.5 ● ● ● ● ● ● ● ● ● ● 2.5 3. 0 3. 5 1.0 2.0 2.5 3. 0 ● ● ● ● ● ● ● ● ● ● 3. 5 1.0 1.5 2.0 2.5 3. 0 3. 5 1.0 1.5 2.0 ● ● ● ● ● ● ● ● ● ● ● ● 1.5 ... Hotelling, 1 936 ) is classical method for finding correlations between components of two random vectors X ∈ Rp and Y ∈ Rq Sparse versions have been proposed for high dimensional data (Witten...
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Tài liệu Báo cáo khoa học: "Machine Learning for Coreference Resolution: From Local Classification to Global Ranking" ppt
... A Ranking Approach to Coreference ¡ As mentioned before, our approach differs from the standard approach primarily by (1) explicitly learning a ranker and (2) optimizing for clustering-level ... learning approach, outperforming them by as much as 4–7% on the three data sets for one of the performance metrics 3.1 Selecting Coreference Systems A learning- based coreference system can be ... trees for coreference resolution In Proc of the IJCAI, pages 1050–1055 T Morton 2000 Coreference for NLP applications In Proc of the ACL C M¨ uller, S Rapp, and M Strube 2002 Applying cotraining to...
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Báo cáo khoa học: "Statistical Machine Translation for Query Expansion in Answer Retrieval" pptx
... in the case of ambiguous translations Query expansion is performed by adding content words that have not been seen in the original query from the n-best translations of the query Our second query ... effects for these features in their experiments Expansion terms are taken from those terms in the n-best translations of the query that have not been seen in the original query string For paraphrasing-based ... (5) query: local expansion (-): qa -translation (+): paraphrasing (+): query: local expansion (-): qa -translation (+): paraphrasing (+): query: local expansion (-): qa -translation (+): paraphrasing...
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Báo cáo hóa học: " Research Article An Adaptive Channel Interpolator Based on Kalman Filter for LTE Uplink in High Doppler Spread Environments" docx
... timevarying channels in high speed environments The variations of channel taps are tracked jointly by Kalman filter in time domain during training symbols Since channel tap information is missing between ... channel estimation algorithm based on Kalman filter and a polynomial curve fitting interpolator whose order is selected adaptively is proposed for LTE uplink systems which include timevarying channels ... allocation scheme in order to track the time-variations of the channel In [8] Modified Kalman filter- (MKF-) based time-domain channel estimation approach for OFDM with fast fading channels has been investigated...
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báo cáo khoa học: " Impact of welfare cheque issue days on a service for those intoxicated in public" pptx
... significant changes in the number of admissions on Mondays and Tuesdays in welfare weeks compared to those on other Mondays and Tuesdays, although the numbers in welfare weeks were lower (Mondays: ... the dates of welfare payments The decreased admissions right before "Welfare Wednesday" and the increased admissions starting from "Welfare Wednesday" indicate that the demand for the SU service ... admissions on a given day of the welfare week and the mean daily admission number in Comparison of the mean number of SU admissions on a given day of the welfare week and the mean daily admission...
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Từ khóa: same excel will opt for data series in rows it is possible to override the choice made by excel in how the data series and categories are decided details of this procedure will be found under the section on manipulating dataof previous studies on the use of group work in foreign language teaching and learningmachine learning for coreference resolutionmachine learning for coreference resolution recent developmentsstatistical machine translation for query expansion in answer retrievalthe case for data analysis in accessintroduction overview of studies on genetic and environmental factors involved in lung cancer susceptibilityultrasound studies on the shift of cervical tissues in different head and neck positionsan overview of ethnobotanical studies on plants used for the treatment of malariamachine learning for anomaly detectionmachine learning for hybrid detectionmachine learning for scan detectionmachine learning for profiling network trafficmachine learning and data mininglocation aware routing for data aggregation in sensor networks1Báo cáo thực tập tại nhà thuốc tại Thành phố Hồ Chí Minh năm 2018Báo cáo quy trình mua hàng CT CP Công Nghệ NPVGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitNGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWAN SLIDEQuản lý hoạt động học tập của học sinh theo hướng phát triển kỹ năng học tập hợp tác tại các trường phổ thông dân tộc bán trú huyện ba chẽ, tỉnh quảng ninhPhát triển du lịch bền vững trên cơ sở bảo vệ môi trường tự nhiên vịnh hạ longNghiên cứu về mô hình thống kê học sâu và ứng dụng trong nhận dạng chữ viết tay hạn chếThơ nôm tứ tuyệt trào phúng hồ xuân hươngChuong 2 nhận dạng rui roKiểm sát việc giải quyết tố giác, tin báo về tội phạm và kiến nghị khởi tố theo pháp luật tố tụng hình sự Việt Nam từ thực tiễn tỉnh Bình Định (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 15: Tiêu hóa ở động vậtchuong 1 tong quan quan tri rui roGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtBÀI HOÀN CHỈNH TỔNG QUAN VỀ MẠNG XÃ HỘIĐổi mới quản lý tài chính trong hoạt động khoa học xã hội trường hợp viện hàn lâm khoa học xã hội việt namTÁI CHẾ NHỰA VÀ QUẢN LÝ CHẤT THẢI Ở HOA KỲQUẢN LÝ VÀ TÁI CHẾ NHỰA Ở HOA KỲ