Results 11 to 20 of about 4,350,912 (327)

When and how should multiple imputation be used for handling missing data in randomised clinical trials – a practical guide with flowcharts

BMC Medical Research Methodology, 2017
BackgroundMissing data may seriously compromise inferences from randomised clinical trials, especially if missing data are not handled appropriately. The potential bias due to missing data depends on the mechanism causing the data to be missing, and the ...
J. Jakobsen, C. Gluud, J. Wetterslev, P. Winkel   +3 more
semanticscholar   +1 more source

Design of the measuring device of the agricultural tractor´s external hydraulic circuit [PDF]

MATEC Web of Conferences, 2021
The main goal of the presented paper was to design the measuring device of the external hydraulic circuit of the agricultural tractor, with the implementation of verification measurement and functionality of the device.
Jablonický Juraj, Kožuch Peter, Nosian Jozef, Tulík Juraj, Kaszkowiak Jerzy, Zastempowski Marcin   +5 more
doaj   +1 more source

Analysis of a tram car ride when passing point frog and when entering curve by specific rail geometry

MATEC Web of Conferences, 2019
In urban railway environments, the problem of tramcars passing small radius arches appears to be topical. In this regard, the authors proposed that the wheelsets should be complemented on the outer side of the wheels with a second tread of a lower radius,
Hauser Vladimír, Gerlici Juraj, Kravchenko Kateryna, Lack Tomáš, Loulová Mária   +4 more
doaj   +1 more source

Business to Business Marketing: Service Recovery and Customer Satisfaction Issues with Ocean Shipping Lines [PDF]

, 2000
The tenets of relationship marketing are useful in understanding the success of a service provider. Based on a sample of 221 firms in Singapore that use ocean freight shipping services, examines service recovery issues related to satisfaction.
Durvasula, Srinivas, Lysonski, Steven, Mehta, Subhash   +2 more
core   +2 more sources

Pesticides Handling Practices Among Potato Growers in Kavrepalanchok, Nepal [PDF]

, 2020
The rate of pesticide application in the agricultural field is surging. Farmers are getting exposed to pesticide hazards from the misuse and unsafe handling of pesticides.
Katuwal, K. (Krishna), Sapkota, K. R. (Kashi), Sapkota, S. (Sanjib), Sapkota, S. (Sundar)   +3 more
core  

Rebutting Existing Misconceptions About Multiple Imputation as a Method for Handling Missing Data

Journal of Personality Assessment, 2019
Missing data is a problem that occurs frequently in many scientific areas. The most sophisticated method for dealing with this problem is multiple imputation. Contrary to other methods, like listwise deletion, this method does not throw away information,
Joost R. van Ginkel, M. Linting, Ralph C. A. Rippe, Anja van der Voort   +3 more
semanticscholar   +1 more source

Handling missing values in trait data

Global Ecology and Biogeography, 2020
Aim Trait data are widely used in ecological and evolutionary phylogenetic comparative studies, but often values are not available for all species of interest. Researchers traditionally have excluded species without data from analyses, but estimation of
T. F. Johnson, N. Isaac, Agustín Paviolo, Manuela González‐Suárez   +3 more
semanticscholar   +1 more source

Implant Prophylaxis: The Next Best Practice Toward Asepsis in Spine Surgery. [PDF]

, 2018
Study designA literature review.ObjectivesAn evaluation of the contaminants prevalent on implants used for surgery and the aseptic methods being employed against them.MethodsPubMed was searched for articles published between 2000 and 2017 for studies ...
Agarwal, Aakash, Agarwal, Anand, Anand, Neel, Garfin, Steve R, Goel, Vijay K, Schultz, Christian, Wang, Jeffrey C   +6 more
core   +1 more source

Definition of composite profiles for the needs of a dynamic analysis of a rail vehicle

MATEC Web of Conferences, 2019
When modelling the dynamics of a rail vehicle ride, one of the important input parameters is the profile geometry of the wheel and rail treads. Commonly available simulation programs have databases containing some standardized profiles, or allow the ...
Hauser Vladimír, Gerlici Juraj, Kravchenko Kateryna, Lack Tomáš, Loulová Mária, Potapenko Olha A.   +5 more
doaj   +1 more source

On handling urban informality in southern Africa [PDF]

, 2013
In this article I reconsider the handling of urban informality by urban planning and management systems in southern Africa. I argue that authorities have a fetish about formality and that this is fuelled by an obsession with urban modernity.
AAPS, Abdoul M., Amin A., Amin Y. Kamete, AMNESTY INTERNATIONAL, Bauman Z., Bayat A., Beall J., Berman M., Blunch N.‐H., Bromley R., Bromley R., Butcher C., Caldeira T. P. R., Campbell E. K., Castells M., CHRA, CITY of HARARE, CITY of HARARE, Cresswell T., de soto H., Foucault M., Friedman E., García canclini N., Ghertner D. A., Gospodini A., Gueye C., Hansen K. T., Hart K., Holston J., ILO, Jimu I. M., Kamete A. Y., Kamete A. Y., Kamete A. Y., Kamete A. Y., Kayuni H. M., King K., Legg S., Lindell I., Lindell I., Llobera J. R., Maloney W. F., Marcuse H., Meagher K., Misztal B. A., Misztal B. A., Mooya M. M., Moser C. O. N., MPSLSW, MPSLSW, Mubvami T., Odendaal N., Popke E. J., Prakash G., Rakodi C., Rakodi C., Robins S., Roy A., Roy A., Roy A., Roy A., Roy A., Rupiya M., Samers M., Sandercock L., SDI, SDI, Simone A., Simone A., Simone A., Stern R. E., Stren R. E., Swilling M., Thomas J., Tibaijuka A. K., Tipple A. G., Tokman V. E., UN‐HABITAT, UN‐HABITAT, Watson V., Watson V., Wekwete K. H., Yiftachel O.   +83 more
core   +1 more source