This article describes the implementation and use of the R package dbscan, which provides complete and fast implementations of the popular density-based clustering algorithm DBSCAN and the augmented ordering algorithm OPTICS. Compared to other implementations, dbscan offers open-source implementations using C++ and advanced data structures like k-d trees to speed up computation. An important ad...

for a few decades has proposed sustainable developing in different sciences and professions including architecture and urbanization and its origins  is in environmental crises  and also excessive use of fossilized energies in the world. problems such as global warming, increasingly developing of green house gases in atmosphere that its origin  is  in global warming , air and soil  pollution, an...

cryptosporidium species are one of the most common causes of gastrointestinal infection in humans around the world. this study has aimed to investigate the hyper variable region of the 18s rrna gene in cryptosporidium for exact parasite identification . dna was extracted from 26 fecal samples from which initially cryptosporidium oocysts were identified by ziehl-neelsen acid-fast , auramine phen...

context distributing health care services in remote and rural areas have become a major health problem for many developing countries. telemedicine presents solutions to developing countries for better disease prevention, disease management, emergency services and practicing medicine in areas with limited access to healthcare services and facilities. although the willingness of developing countr...

conclusions: the major barriers for thrombolytic therapy for patients with ais in this setting were delays in the provision of in-hospital services, like initial patient assessment, ct scans or laboratory studies. these results were in contrast with previous reports. background: intravenous thrombolysis is an approved treatment method for patients with acute ischemic stroke (ais) and is recomme...

this manuscript illustrates how the human resource management concept of employee empowerment likely has benefits in both developed and developing economies. studies in the hospitality sector and the manufacturing sector in canada, india, and turkey show that, in general, empowering supervisory behaviors, such as transformational leadership, increase feelings of psychological empowerment of emp...

car accidents are documented as a growing public health problem in iran as well as other developing countries. generally growing number of population and vehicles are not accompanied by extending road construction programs. these could be result in high death, disability, and economic loss in such country compare to develop one. this mainly affected young person who are economically more active...