The exchange of information is an innate and natural process that assist in content dispersal. Social networking sites emerge to enrich their users by providing the facility for sharing social interaction. extensive adoption also resulted user generation. There are diverse research areas explored researchers investigate influence media on confirmed have a significant impact markets, politics li...

in recent years, the implementation of integrated information systems in the iranian public sector has significantly increased. this is of more importance in holdings and multi-branch organizations. considering the fact that the cost, time-span and quality of implementation of these systems, has a dramatic impact on public sector effectiveness, therefore, identification and classification of fa...

The aims of this study were to evaluate the genetic diversity racing line Quarter Horse breed in Brazil and provide data on most influential ancestors by pedigree analysis. All horses that had participated sprint races between 1978 2016 evaluated. There 5,861 athletes (2,474 males 3,387 females) born 1971 2014. These animals referred as population (Pr), which was divided into three subpopulatio...

In applications such as market analysis, it is of great interest to product manufacturers to have their products ranked as highly as possible for a significant number of customers. However, customer preferences change over time, and product manufacturers are interested in monitoring the evolution of the popularity of their products, in order to discover those products that are consistently high...

Coefficient of determination (R (2)) and its leave-one-out cross-validated analogue (denoted by Q (2) or R cv (2) ) are the most frequantly published values to characterize the predictive performance of models. In this article we use R (2) and Q (2) in a reversed aspect to determine uncommon points, i.e. influential points in any data sets. The term (1 - Q (2))/(1 - R (2)) corresponds to the ra...

background: cesarean section is a surgery to deliver a baby and remove the placenta and membranes through an incision made on the mother's abdomen and uterus. while the rate of cesarean section is 10-30% of all deliveries in the world, it is 50-65% in iran. the aim of this study was to identify factors leading to cesarean section in bam, iran. methods: in this cross-sectional study, 200 mothers...