Abstract Background Feature selection sofia barclay sexy and prediction are the most important tasks for big data mining.The common strategies for feature selection in big data mining are L 1, SCAD and MC+.However, none of the existing algorithms optimizes L 0, which penalizes the number of nonzero features directly.Results In this paper, we develo
Aiming at the problems of untimely manual flow path switching under abnormal working conditions and long time required for pressure regulation through the PID control of the regulating valves of A-Du-Wu-Shan system, risk analysis was carried out for the two operation modes after transformation, appropriate risk prevention measures were developed, a
Background: The real-world safety profile of COVID-19 mRNA vaccines remains incompletely elucidated.Methods: We performed a nationwide post-market safety surveillance analysis in Singapore, on vacinees aged 5 years and older, through mid-September 2022.Observed-over-expected (O/E) analyses were performed to identify potential safety signals among e
The success or failure of governance in any regime in power is basically determined by the quality of leadership of such administration.The study of the connection between leadership and good governance aluminum lotion for national development has become essential with the restoration of democratic governance in Nigeria.In the first ten years of Ni
A reliable tuber yield prognosis requires a complex statistical analysis of potato nutritional status in the fully developed 4th leaf at the onset of tuberisation.This hypothesis was validated in the series of field experiments conducted in 2006-2008 in Poland.The experimental design was composed of two nitrogen (N) rates (60, 120 kg/ha), two N fer