268 research outputs found
The imputation of wages above the contribution limit with the German IAB employment sample
"Researchers analyzing wages with the German IAB employment sample are confronted with a censoring problem: The data comes from the social security accounts. Therefore the wages are only given up to the contribution limit of the social security (A documentation of the data set is found in Bender, Haas, and Klose (2000)). To avoid biased estimation the censored wages can be imputed with estimated wages. The estimation can be done with a tobit model. The independent variables of the estimation are for example qualification, region and branch." (Author's abstract, IAB-Doku) ((en)) Additional Information Anlage zum FDZ-Methodenreport Nr. 02/2005: ado-Programm: imputwIAB-Beschäftigtenstichprobe, Sozialversicherung, sozialversicherungspflichtige Arbeitnehmer, Schätzung, Lohnhöhe, Datengewinnung, Datenaufbereitung, Imputationsverfahren
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University Memories from the Texas Fashion Collection Department
Photograph of Gigi Gartner standing next to an ensemble by Page Boy Maternity, which was founded by Gigi's mother Louis Gartner, who also served as the company's designer for many decades. Gartner is seen in the Texas Fashion Collection's space in Welch Street Complex 1
University Memories from the Texas Fashion Collection Department
Photograph of Gigi Gartner standing next to an ensemble by Page Boy Maternity, which was founded by Gigi's mother Louis Gartner, who also served as the company's designer for many decades. Gartner is seen in the Texas Fashion Collection's space in Welch Street Complex 1
Benchmarking performance management systems
The Balanced Scorecard and associated performance management approaches, has become a widely practiced and popular management reporting method in recent times. Moreover, enabling technology, which assists in the delivery and personalisation of corporate performance information, is having a deeper and more rapid impact than ever before. This paper presents a brief comparative benchmarking study of leading enterprise performance management systems. Also, the author discusses the merits of bespoke internet technology development and out-of-the-box portal functionalities. An analysis of key business drivers and implementation risks of such approaches is highlighted via a case study example, and concludes the paper
Entrepreneurship as organizing: selected papers of william b gartner
This book draws together William B. Gartner's key contributions to entrepreneurship research over the past 25 years. An original introduction by the author offers a comprehensive overview and analysis of his work as it pertains to the development of entrepreneurship as a scholarly field, and the articles demonstrate the many ways in which his research has explored entrepreneurship in relation to individuals, firms, environments, and processes
Game Engine-based Point Cloud Visualization and Perception for Situation Awareness of Crisis Indoor Environments
Because unknown interior layouts can have serious consequences in time-sensitive situations, crisis response teams request many potential solutions for visualizing indoor environments in crisis scenarios. This research uses a game engine to directly visualize point cloud data input of indoor environments for generating clear interaction between the environment and viewers, to aid decision-making in high-stress moments. The prospective final product is an integration of game-oriented visualization and cartography, hosted within Unreal Engine 4 (UE4), allowing users to navigate throughout an indoor environment, and customizing certain interaction features. The UE4 project consists of 4 modules: data preprocessing, render style, functional module, and user interface. Finally, this research uses a single-floor indoor point cloud dataset collected from a building in Rotterdam, the Netherlands for the implementation.GIS Technologi
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High-resolution quantification of tissue structure and its variability in the pancreatic islet
Appropriate 3D tissue structure supports cell and tissue function; inappropriate tissue structure correlates with cell and tissue dysfunction. Quantitative studies of this structure-function relationship are hampered by a paucity of techniques for tissue structure analysis. Using pancreatic islets as a model system, I have developed a novel method for high-resolution quantitative analysis of 3D tissue structure. Here, I summarize what is known about tissue structure in pancreatic islets, outline the processes of collecting high-resolution spatially quantitative 3D images of tissue and of extracting spatial data, detail qualitative observations of structural phenomena gleaned from observation of hundreds of 3D images of adult human and mouse pancreatic islets, and provide a proof-of-concept quantitative analysis of adult mouse and human islet tissue structure. My dissertation work sets the stage for quantitative study of tissue structure and function not just in healthy adult islets but also in other tissue types, and in unhealthy, developing, or engineered tissue. The rich image datasets acquired are also a valuable resource for both pancreatic biologists and those developing tools for image processing and image analysis
Embryonic brain development is hampered by environmental and genetic insults
status: Publishe
A2B: Identifying movement patterns from largescale Wi-Fi based location data
The distribution of people in buildings, the occupancy of lecture-, work- and study places and the accessibility of facilities are essential information at university campuses who have to cope with limited and even shrinking budgets and huge, rising real estate costs. Only little insight is gained in both occupancy and movement patterns with traditional counting techniques and user-based questionnaires. Management teams state that rooms and facilities are hardly used, though staff and students complain about overcrowded facilities and limited flexibility. Actual and accurate data on a 24/7 scale with high-granularity is missing.In general Facility- and Asset Management lacks efficient methods for realtime, comprehensive and high-granularity information of location, capacity and use of tangible and intangible assets. Asset management could benefit from more detailed, more accurate and longitudinal data on assets, providing more insight into efficiency and effectiveness on different levels of scale through time.Existing technologies could provide a platform delivering those required insights. Navigation- and communication technologies such as GNSS, Wi-Fi, Bluetooth, RFID can be used to ‘locate’ users, estimate intensities and reveal patterns of movement and patterns of use. For Asset management indoor localisation is essential.OLD Urban DesignOLD Department of GIS Technolog
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