Documents software 38 results

"95% des PowerPoint sont réalisés sans aucune méthode ! Le résultat est catastrophique et sans appel : l'attention de l'auditoire décline, l'orateur parle plus à son PowerPoint qu'à son public et les échanges disparaissent. Et pourtant, si vous prenez la parole en réunion, en conférence ou en formation, il a de fortes chances pour que vous accompagniez votre intervention d'une présentation PowerPoint... En s'appuyant sur les dernières découvertes des neurosciences, sur des techniques d'animation éprouvées et souvent sur le simple bon sens, l'auteur exerce son oeil critique sur les diapositives que l'on voit sans arrêt et propose une méthode ultra-performante pour enfin réaliser des diaporamas efficaces ! Cet ouvrage n'est pas un manuel d'utilisation technique de PowerPoint, c'est l'outil indispensable qui mettra en valeur votre discours, à la condition de bien vous en servir... Parce que les mots c'est vous, et votre PowerPoint c'est du visuel !"

"Alan C. Acock's A Gentle Introduction to Stata, Fifth Edition, is aimed at new Stata users who want to become proficient in Stata. After reading this introductory text, new users will be able not only to use Stata well but also to learn new aspects of Stata. Acock assumes that the user is not familiar with any statistical software. This assumption of a blank slate is central to the structure and contents of the book. Acock starts with the basics; for example, the portion of the book that deals with data management begins with a careful and detailed example of turning survey data on paper into a Stata-ready dataset on the computer. When explaining how to go about basic exploratory statistical procedures, Acock includes notes that will help the reader develop good work habits. This mixture of explaining good Stata habits and good statistical habits continues throughout the book. Acock is quite careful to teach the reader all aspects of using Stata. He covers data management, good work habits (including the use of basic do-files), basic exploratory statistics (including graphical displays), and analyses using the standard array of basic statistical tools (correlation, linear and logistic regression, and parametric and nonparametric tests of location and dispersion). He also successfully introduces some more advanced topics such as multiple imputation and structural equation modeling in a very approachable manner. Acock teaches Stata commands by using the menus and dialog boxes while still stressing the value of do-files. In this way, he ensures that all types of users can build good work habits. Each chapter has exercises that the motivated reader can use to reinforce the material. The tone of the book is friendly and conversational without ever being glib or condescending. Important asides and notes about terminology are set off in boxes, which makes the text easy to read without any convoluted twists or forward-referencing. Rather than splitting topics by their Stata implementation, Acock arranges the topics as they would appear in a basic statistics textbook; graphics and postestimation are woven into the material in a natural fashion. Real datasets, such as the General Social Surveys from 2002 and 2006, are used throughout the book. The focus of the book is especially helpful for those in the behavioral and social sciences because the presentation of basic statistical modeling is supplemented with discussions of effect sizes and standardized coefficients. Various selection criteria, such as semipartial correlations, are discussed for model selection. Acock also covers a variety of commands available for evaluating reliability and validity of measurements. The fifth edition of the book includes two new chapters that cover multilevel modeling and item response theory (IRT) models. The multilevel modeling chapter demonstrates how to fit linear multilevel models using the mixed command. Acock discusses models with both random intercepts and random coefficients, and he provides a variety of examples that apply these models to longitudinal data. The IRT chapter introduces the use of IRT models for evaluating a set of items designed to measure a specific trait such as an attitude, value, or a belief. Acock shows how to use the irt suite of commands, which are new in Stata 14, to fit IRT models and to graph the results. In addition, he presents a measure of reliability that can be computed when using IRT."

"Der Artikel entfaltet einen systematisierenden Überblick über Open-Source-Communitys und ihre sozioökonomischen Kontexte. Nach einer historischen Rekonstruktion zur Ausdifferenzierung quelloffener Entwicklungsvorhaben und ihren Relationen zu etablierten IT-Unternehmen werden vier Varianten derzeitiger Open-Source-Gemeinschaften voneinander abgegrenzt – von korporativ geführten Kollaborationsprojekten und elitezentrierten Projektgemeinschaften über heterarchisch angelegte Infrastrukturvorhaben bis hin zu egalitär ausgerichteten Entwicklergruppen. Dabei zeigt sich, dass die quelloffene Softwareentwicklung in den letzten 15 Jahren zu einer allgemeinen Branchenmethode und einem Baustein der Innovationsstrategien aller großen Technologiekonzerne avanciert ist, aber ihre Formatierung als Gegenentwurf zur proprietären Herstellung weitgehend verloren hat. Als Ankerpunkt für Hoffnungen auf eine insgesamt offenere, dezentraler und demokratischer strukturierte Arbeitswelt eignen sich die meisten Open-Source-Projekte heute nicht mehr."

"This research deals with an analysis of forms of participation in a participatory design (PD) process of a software that assesses the sustainability of agricultural cropping systems. We explore the actual forms of participation of designers and users by adapting an Actual Role Analysis in Design approach (Barcellini et al., 2013) to capture the levels of abstraction (conceptual, functional and operational) of participants' discussions. We show that: (1) the process does not only concern the design of the artifact itself, but also the design of the concept of sustainability; (2) all participants (users & designers) have a role in co-designing the concept (in our case, sustainability); (3) some roles and profiles are key to this co-design. We discuss our contributions to both the research and the practices of participatory design. These contributions deal with the production of a method and related knowledge about actual activities in participatory design situations. They may support the development of relevant training programs regarding participatory situations, or be reflexive activities that can help those who are involved in designing and leading in participatory situations, to make improvements."

"L'utilisation des automates programmables dédiés à la gestion des fonctions de sécurité des systèmes de commande de machine pose le problème du développement du logiciel applicatif. Un travail de sensibilisation à une bonne pratique de développement du logiciel est nécessaire. C'est en effet un des moyens pour éviter d'introduire des fautes dans le logiciel et s'assurer que le système développé pourra remplir sa mission.Le projet de norme FDIS CEI 62061 comporte des prescriptions relatives au cycle de développement d'un logiciel. Cet article propose une hiérarchisation de ces prescriptions afin d'en faciliter l'usage. Une présentation sous forme d'étapes à atteindre est proposée, allant d'un ensemble minimal de prescriptions pour finir par un ensemble plus complet. L'article donne aussi des renseignements complémentaires sur ces prescriptions et énumère des moyens adaptés pour les satisfaire."