A predictive pricing method based on k-means++ clustering and multiple linear regression is proposed to solve the unreasonable initial of used cars evaluate model's low accuracy. To begin, all vehicles are divided into three categories transaction period data sample. The K-Means++ algorithm then cluster best-selling cars, a equation fitted for each category as prediction evaluation. Finally, re...

one of the most important aspects of software project management is the estimation of cost and time required for running information system. therefore, software managers try to carry estimation based on behavior, properties, and project restrictions. software cost estimation refers to the process of development requirement prediction of software system. various kinds of effort estimation patter...

length of hospital stay (los) is a key indicator for hospital management. reducing hospital stay is a priority for all health systems. we aimed to determine the length of hospital stay following coronary artery bypass surgery (cabg) based on its clinical and non-clinical factors. a cross-sectional study of 649 consecutive patients who underwent coronary artery bypass graft surgery was conducted...

this research was done aimed to investigation the effective factors on production skills of tobacco growers in mazandaran province. this is an applied study based on descriptive-correlation method. statistical population of this research consisted of 1500 tobacco growers  of mazandaran province, and 306 people were selected based on morgan table. content validity of the questionnaire was determ...

following innovations in intelligence and its radical changes from a unitary concept (iq) to a multi-dimensional conceptualization, i.e. multiple intelligences and the need to design classroom activities based on the l2 learners’ cognitive styles, this study examined the impact of linguistic intelligence and emotional intelligence on the reading comprehension ability of the iranian efl learners...