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Arxiv:1210.6293V1 [Cs.MS] 23 Oct 2012 So the Finally, Accessible
Journal of Machine Learning Research 1 (2012) 1-4 Submitted 9/12; Published x/12 MLPACK: A Scalable C++ Machine Learning Library Ryan R. Curtin [email protected] James R. Cline [email protected] N. P. Slagle [email protected] William B. March [email protected] Parikshit Ram [email protected] Nishant A. Mehta [email protected] Alexander G. Gray [email protected] College of Computing Georgia Institute of Technology Atlanta, GA 30332 Editor: Abstract MLPACK is a state-of-the-art, scalable, multi-platform C++ machine learning library re- leased in late 2011 offering both a simple, consistent API accessible to novice users and high performance and flexibility to expert users by leveraging modern features of C++. ML- PACK provides cutting-edge algorithms whose benchmarks exhibit far better performance than other leading machine learning libraries. MLPACK version 1.0.3, licensed under the LGPL, is available at http://www.mlpack.org. 1. Introduction and Goals Though several machine learning libraries are freely available online, few, if any, offer efficient algorithms to the average user. For instance, the popular Weka toolkit (Hall et al., 2009) emphasizes ease of use but scales poorly; the distributed Apache Mahout library offers scal- ability at a cost of higher overhead (such as clusters and powerful servers often unavailable to the average user). Also, few libraries offer breadth; for instance, libsvm (Chang and Lin, 2011) and the Tilburg Memory-Based Learner (TiMBL) are highly scalable and accessible arXiv:1210.6293v1 [cs.MS] 23 Oct 2012 yet each offer only a single method. -
Qualitative Data Analysis Software: a Call for Understanding, Detail, Intentionality, and Thoughtfulness
MSVU e-Commons ec.msvu.ca/xmlui Qualitative data analysis software: A call for understanding, detail, intentionality, and thoughtfulness Áine M. Humble Version Post-print/Accepted manuscript Citation Humble, A. M. (2012). Qualitative data analysis software: A call for (published version) understanding, detail, intentionality, and thoughtfulness. Journal of Family Theory & Review, 4(2), 122-137. doi:10. 1111/j.1756- 2589.2012.00125.x Publisher’s Statement This article may be downloaded for non-commercial and no derivative uses. This article appears in the Journal of Family Theory and Review, a journal of the National Council on Family Relations; copyright National Council on Family Relations. How to cite e-Commons items Always cite the published version, so the author(s) will receive recognition through services that track citation counts. If you need to cite the page number of the author manuscript from the e-Commons because you cannot access the published version, then cite the e-Commons version in addition to the published version using the permanent URI (handle) found on the record page. This article was made openly accessible by Mount Saint Vincent University Faculty. Qualitative Data Analysis Software 1 Humble, A. M. (2012). Qualitative data analysis software: A call for understanding, detail, intentionality, and thoughtfulness. Journal of Family Theory & Review, 4(2), 122-137. doi:10. 1111/j.1756-2589.2012.00125.x This is an author-generated post-print of the article- please refer to published version for page numbers Abstract Qualitative data analysis software (QDAS) programs have gained in popularity but family researchers may have little training in using them and a limited understanding of important issues related to such use. -
Qualitative Research 1
Qualitative research 1 Dr Raqibat Idris, MBBS, DO, MPH Geneva Foundation for Medical Education and Research 28 November 2017 From Research to Practice: Training Course in Sexual and Reproductive Health Research Geneva Workshop 2017 Overview of presentation This presentation will: • Introduce qualitative research, its advantages, disadvantages and uses • Discuss the various approaches to qualitative design Introduction • Qualitative research is a study done to explain and understand the meaning or experience of a phenomenon or social process and the viewpoints of the affected individuals. • Investigates opinions, feelings and experiences. • Understands and describes social phenomena in their natural occurrence- holistic approach. • Does not test theories but can develop theories. Mason, 2002 Features of qualitative research • Exploratory • Fluid and flexible • Data-driven • Context sensitive • Direct interaction with affected individuals Mason, 2002 Advantages and disadvantages Advantages: • Richer information • Deeper understanding of the phenomenon under study Disadvantages: • Time consuming • Expensive • Less objective • Findings cannot be generalized Mason, 2002 Uses of qualitative studies Exploratory or pilot study: • Precedes a quantitative study to help refine hypothesis • Pilot study to examine the feasibility of a program/ project implementation • Designing survey questionnaires • To improve the reliability, validity and sensibility of new or existing survey instruments in a new population Green, 2013 Uses of qualitative studies To explain quantitative data findings: • Can follow a quantitative research to help provide a deeper understanding of the results. For example, the use of ethnography to explain the social context in which mortality and birth rate data are produced. • Parallel studies in a mixed qualitative and quantitative design to provide greater understanding of a phenomenon under study. -
Sb2b Statistical Machine Learning Hilary Term 2017
SB2b Statistical Machine Learning Hilary Term 2017 Mihaela van der Schaar and Seth Flaxman Guest lecturer: Yee Whye Teh Department of Statistics Oxford Slides and other materials available at: http://www.oxford-man.ox.ac.uk/~mvanderschaar/home_ page/course_ml.html Administrative details Course Structure MMath Part B & MSc in Applied Statistics Lectures: Wednesdays 12:00-13:00, LG.01. Thursdays 16:00-17:00, LG.01. MSc: 4 problem sheets, discussed at the classes: weeks 2,4,6,7 (check website) Part C: 4 problem sheets Class Tutors: Lloyd Elliott, Kevin Sharp, and Hyunjik Kim Please sign up for the classes on the sign up sheet! Administrative details Course Aims 1 Understand statistical fundamentals of machine learning, with a focus on supervised learning (classification and regression) and empirical risk minimisation. 2 Understand difference between generative and discriminative learning frameworks. 3 Learn to identify and use appropriate methods and models for given data and task. 4 Learn to use the relevant R or python packages to analyse data, interpret results, and evaluate methods. Administrative details SyllabusI Part I: Introduction to supervised learning (4 lectures) Empirical risk minimization Bias/variance, Generalization, Overfitting, Cross validation Regularization Logistic regression Neural networks Part II: Classification and regression (3 lectures) Generative vs. Discriminative models K-nearest neighbours, Maximum Likelihood Estimation, Mixture models Naive Bayes, Decision trees, CART Support Vector Machines Random forest, Boostrap Aggregation (Bagging), Ensemble learning Expectation Maximization Administrative details SyllabusII Part III: Theoretical frameworks Statistical learning theory Decision theory Part IV: Further topics Optimisation Hidden Markov Models Backward-forward algorithms Reinforcement learning Overview Statistical Machine Learning What is Machine Learning? http://gureckislab.org Tom Mitchell, 1997 Any computer program that improves its performance at some task through experience. -
Marketing Automation
THE BUSINESS CASE FOR MARKETING AUTOMATION How to Craft a Compelling Case the Executive Team Will Approve Copyright © 2016 | Act-On Software www.Act-On.com Bottom line, you can’t realize the benefits of nurture marketing the way top performers do unless you incorporate a technology platform “that can preconfigure business rules to manage timely engagement and escalate prioritized leads to sales via integration with CRM. No amount of hired resources could manually reach out and touch prospects at just the right time with just the right message. Marketing automation forms the backbone for configuring nurture marketing campaigns across channels and managing communications based on prospect engagement. It’s also one of the only ways marketers can actually start to attribute marketing spend to closed sales. — GLEANSTER, March 2013 www.Act-On.com The Business Case for Marketing Automation | II Table of Contents 1. The Basics of Marketing Automation . 1 2. How to Make a Business Case for Marketing Automation .........................................................9 3. What the Executive Suite Needs to Know .................................. 25 4. Closing Thoughts and Resources .................................................................... 27 www.Act-On.com The Business Case for Marketing Automation | III You’re Convinced Marketing Automation Will Help Your Company Leap Forward... ...if you can convince executive management to adopt the technology. The buyer has evolved. Which means you must, too. THE SCALES HAVE SHIFTED. MARKETING AUTOMATION STRIKES Technology, digital channels, and non-stop THIS BALANCE. connectivity continue to empower today’s buyers It’s a proven method for managing and optimizing with at-the-ready information and increased choice, the entire customer experience, measuring fueling unprecedented global competition. -
Computational Tools for Big Data — Python Libraries
Computational Tools for Big Data | Python Libraries Finn Arup˚ Nielsen DTU Compute Technical University of Denmark September 15, 2015 Computational Tools for Big Data | Python libraries Overview Numpy | numerical arrays with fast computation Scipy | computation science functions Scikit-learn (sklearn) | machine learning Pandas | Annotated numpy arrays Cython | write C program in Python Finn Arup˚ Nielsen 1 September 15, 2015 Computational Tools for Big Data | Python libraries Python numerics The problem with Python: >>> [1, 2, 3] * 3 Finn Arup˚ Nielsen 2 September 15, 2015 Computational Tools for Big Data | Python libraries Python numerics The problem with Python: >>> [1, 2, 3] * 3 [1, 2, 3, 1, 2, 3, 1, 2, 3]# Not [3, 6, 9]! Finn Arup˚ Nielsen 3 September 15, 2015 Computational Tools for Big Data | Python libraries Python numerics The problem with Python: >>> [1, 2, 3] * 3 [1, 2, 3, 1, 2, 3, 1, 2, 3]# Not [3, 6, 9]! >>> [1, 2, 3] + 1# Wants [2, 3, 4]... Finn Arup˚ Nielsen 4 September 15, 2015 Computational Tools for Big Data | Python libraries Python numerics The problem with Python: >>> [1, 2, 3] * 3 [1, 2, 3, 1, 2, 3, 1, 2, 3]# Not [3, 6, 9]! >>> [1, 2, 3] + 1# Wants [2, 3, 4]... Traceback(most recent call last): File"<stdin>", line 1, in<module> TypeError: can only concatenate list(not"int") to list Finn Arup˚ Nielsen 5 September 15, 2015 Computational Tools for Big Data | Python libraries Python numerics The problem with Python: >>> [1, 2, 3] * 3 [1, 2, 3, 1, 2, 3, 1, 2, 3]# Not [3, 6, 9]! >>> [1, 2, 3] + 1# Wants [2, 3, 4].. -
Likelihood Algorithm Afterapplying PCA on LISS 3 Image Using Python Platform
International Journal of Scientific & Engineering Research, Volume 7, Issue 8, August-2016 1624 ISSN 2229-5518 Performance Evaluation of Maximum- Likelihood Algorithm afterApplying PCA on LISS 3 Image using Python Platform MayuriChatse, Vikas Gore, RasikaKalyane, Dr. K. V. Kale Dr. BabasahebAmbedkarMarathwada, University, Aurangabad, Maharashtra, India Abstract—This paper presents a system for multispectral image processing of LISS3 image using python programming language. The system starts with preprocessing technique i.e. by applying PCA on LISS3 image.PCA reduces image dimensionality by processing new, uncorrelated bands consisting of the principal components (PCs) of the given bands. Thus, this method transforms the original data set into a new dataset, which captures essential information.Further classification is done through maximum- likelihood algorithm. It is tested and evaluated on selected area i.e. region of interest. Accuracy is evaluated by confusion matrix and kappa statics.Satellite imagery tool using python shows better result in terms of overall accuracy and kappa coefficient than ENVI tool’s for maximum-likelihood algorithm. Keywords— Kappa Coefficient,Maximum-likelihood, Multispectral image,Overall Accuracy, PCA, Python, Satellite imagery tool —————————— —————————— I. Introduction microns), which provides information with a spatial resolution of 23.5 m not like in IRS-1C/1D (where the spatial resolution is 70.5 m) [12]. Remote sensing has become avitaltosol in wide areas. The classification of multi-spectral images has been a productive application that’s used for classification of land cover maps [1], urban growth [2], forest change [3], monitoring change in ecosystem condition [4], monitoring assessing deforestation and burned forest areas [5], agricultural expansion [6], The Data products are classified as Standard and have a mapping [7], real time fire detection [8], estimating tornado system level accuracy. -
Scikit-Learn: Machine Learning in Python
Scikit-learn: Machine Learning in Python Fabian Pedregosa, Gaël Varoquaux, Alexandre Gramfort, Vincent Michel, Bertrand Thirion, Olivier Grisel, Mathieu Blondel, Peter Prettenhofer, Ron Weiss, Vincent Dubourg, et al. To cite this version: Fabian Pedregosa, Gaël Varoquaux, Alexandre Gramfort, Vincent Michel, Bertrand Thirion, et al.. Scikit-learn: Machine Learning in Python. Journal of Machine Learning Research, Microtome Pub- lishing, 2011. hal-00650905v1 HAL Id: hal-00650905 https://hal.inria.fr/hal-00650905v1 Submitted on 2 Jan 2012 (v1), last revised 2 Mar 2013 (v2) HAL is a multi-disciplinary open access L’archive ouverte pluridisciplinaire HAL, est archive for the deposit and dissemination of sci- destinée au dépôt et à la diffusion de documents entific research documents, whether they are pub- scientifiques de niveau recherche, publiés ou non, lished or not. The documents may come from émanant des établissements d’enseignement et de teaching and research institutions in France or recherche français ou étrangers, des laboratoires abroad, or from public or private research centers. publics ou privés. Journal of Machine Learning Research 12 (2011) 2825-2830 Submitted 3/11; Revised 8/11; Published 10/11 Scikit-learn: Machine Learning in Python Fabian Pedregosa [email protected] Ga¨el Varoquaux [email protected] Alexandre Gramfort [email protected] Vincent Michel [email protected] Bertrand Thirion [email protected] Parietal, INRIA Saclay Neurospin, Bˆat 145, CEA Saclay 91191 Gif sur Yvette – France Olivier Grisel [email protected] Nuxeo 20 rue Soleillet 75 020 Paris – France Mathieu Blondel [email protected] Kobe University 1-1 Rokkodai, Nada Kobe 657-8501 – Japan Peter Prettenhofer [email protected] Bauhaus-Universit¨at Weimar Bauhausstr. -
Ethnography As an Inquiry Process in Social Science
ETHNOGRAPHY AS AN INQUIRY PROCESS IN SOCIAL SCIENCE RESEARCH Ganga Ram Gautam ABSTRACT This article is an attempt to present the concept of ethnography as a qualitative inquiry process in social science research. The paper begins with the introduction to ethnography followed by the discussion of ethnography both as an approach and a research method. It then illustrates how ethnographic research is carried out using various ethnographic methods that include participant observation, interviewing and collection of the documents and artifacts. Highlighting the different ways of organizing, analyzing and writing ethnographic data, the article suggests ways of writing the ethnographic research. THE INQUIRY PROCESS Inquiry process begins consciously and/or subconsciously along with the beginning of human life. The complex nature of our life, problems and challenges that we encounter both in personal and professional lives and the several unanswered questions around us make us think and engage in the inquiry process. Depending upon the nature of the work that one does and the circumstances around them, people choose the inquiry process that fits into their inquiry framework that is built upon the context they are engaged in. This inquiry process in education is termed as research and research in education has several dimensions. The inquiry process in education is also context dependent and it is driven by the nature of the inquiry questions that one wants to answer. UNDERSTANDING ETHNOGRAPHY Ethnography, as a form of qualitative research, has now emerged as one of the powerful means to study human life and social behavior across the globe. Over the past fifteen years there has been an upsurge of ethnographic work in British educational research, making ethnography the most commonly practiced qualitative research method. -
Review on Advanced Machine Learning Model: Scikit-Learn P
International Journal of Scientific Research and Engineering Development-– Volume 3 - Issue 4, July - Aug 2020 Available at www.ijsred.com RESEARCH ARTICLE OPEN ACCESS Review on Advanced Machine Learning Model: Scikit-Learn P. Deekshith chary*, Dr. R.P.Singh** *CSE, Vageswari college of Engg, Telangana. **Computer science Engineering ,SSSUTMS, Bhopal Email: [email protected] ---------------------------------------- ************************ ---------------------------------- Abstract: Scikit-learn is a Python module integrating a huge vary of ultra-modern computer gaining knowledge of algorithms for medium-scale supervised and unsupervised problems. This bundle focuses on bringing machine gaining knowledge of to non-specialists the usage of a general-purpose high-level language. Emphasis is put on ease of use, performance, documentation, and API consistency. It has minimal dependencies and is disbursed beneath the simplified BSD license, encouraging its use in each academic and business settings. Source code, binaries, and documentation can be downloaded from http://scikit-learn.sourceforge.net. Keywords —Python, supervised learning, unsupervised learning, model selection ---------------------------------------- ************************ ---------------------------------- MDP (Zito et al., 2008) and pybrain (Schaul et al., I. INTRODUCTION 2010), iii) it relies upon solely on numpy and The Python programming language is setting up scipyto facilitate handy distribution, not like itself as one of the most famous languages for pymvpa (Hanke et al., 2009) that has optional scientific computing. Thanks to its high-level dependencies such as R and shogun, and iv) it interactive nature and its maturing ecosystem of focuses on quintessential programming, in contrast scientific libraries, it is an attractive desire for to pybrain which makes use of a data-flow algorithmic improvement and exploratory records framework[3]. -
Research Techniques in Network and Information Technologies, February
Tools to support research M. Antonia Huertas Sánchez PID_00185350 CC-BY-SA • PID_00185350 Tools to support research The texts and images contained in this publication are subject -except where indicated to the contrary- to an Attribution- ShareAlike license (BY-SA) v.3.0 Spain by Creative Commons. This work can be modified, reproduced, distributed and publicly disseminated as long as the author and the source are quoted (FUOC. Fundació per a la Universitat Oberta de Catalunya), and as long as the derived work is subject to the same license as the original material. The full terms of the license can be viewed at http:// creativecommons.org/licenses/by-sa/3.0/es/legalcode.ca CC-BY-SA • PID_00185350 Tools to support research Index Introduction............................................................................................... 5 Objectives..................................................................................................... 6 1. Management........................................................................................ 7 1.1. Databases search engine ............................................................. 7 1.2. Reference and bibliography management tools ......................... 18 1.3. Tools for the management of research projects .......................... 26 2. Data Analysis....................................................................................... 31 2.1. Tools for quantitative analysis and statistics software packages ...................................................................................... -
Customer Intelligence Appliance
IBM Software Customer Intelligence Appliance An appliance-based joint solution for omni-channel customer analytics from IBM and Aginity Customer Intelligence Appliance Information Management Contents By leveraging pre-developed, proven, industry best practice solution components and appliance technology from IBM and 3 Executive Summary Aginity, the CIA can be up and running in as few as twelve weeks. Utilizing CIA, retailers are able to understand the value 4 Challenges facing retailers today of individual customers and customer segments to the business 5 An appliance-based solution for omni-channel and prioritize marketing spend to target customers based on customer analytics propensity to respond and net derived value. CIA enables retailers to dynamically score customers utilizing built-in 7 Use Cases behavioral attributes, facilitating trigger based offers that may be executed in real-time across any device or channel. CIA 15 Get Started improves campaign response rate by 10-50%, as retailers leverage omni-channel insights and predictive analytics to attract, engage and retain customers. The CIA solution consists Executive Summary of the Netezza data warehouse appliance, a flexible omni- Customer Intelligence Appliance (CIA) channel data model, data loading wizards, retail reports, ExecutiveFor retailSummary executives and analysts, who are dissatisfied with siloed, analytic modules, behavioral attributes and behavioral black-box, inflexible CRM and analytics solutions, the Customer segmentation capability. The following short stories show how Intelligence Appliance (CIA) is an appliance-based solution, that retailers use CIA. provides an integrated multi-channel view of customers, best • Data Deluge. Integration and identification of customers practice reporting, and customer behavior segmentation and across all channels, despite the mountains of data created from analytics accelerators.