Cluster validity indices have been used to evaluate the quality of fuzzy partitions. In this paper, we propose a new index, which uses concepts of Fuzzy Rough sets to evaluate the average intra-cluster similarity of fuzzy clusters produced by the fuzzy c-means algorithm. Experimental results show that contrasted with several well-known cluster validity indices, the proposed index can yield more...

We present a probabilistic approach for the study of systems with exclusions, in the regime traditionally studied via cluster-expansion methods. In this paper we focus on its application for the gases of Peierls contours found in the study of the Ising model at low temperatures, but most of the results are general. We realize the equilibrium measure as the invariant measure of a loss-network pr...

the main purpose of this descriptive–survey research was to analysis organizational intelligence components in agricultural organization (jihad-e-keshavrzi) of guilan province. the statistical population of the study consisted of agricultural organization of guilan province’s staffs (n=1296). in order to determine sample size (n=183), the table for determining sample from a given population, de...

OBJECTIVES To assess aspects of the internal validity of recently published cluster randomised trials and explore the reporting of information useful in assessing the external validity of these trials. DESIGN Review of 34 cluster randomised trials in primary care published in 2004 and 2005 in seven journals (British Medical Journal, British Journal of General Practice, Family Practice, Preven...

Based on the basic theory of fuzzy set, this paper suggests the notion of FCM fuzzy set, which is subject to the constraint condition of fuzzy c-means clustering algorithm. The cluster fuzzy degree and the lattice degree of approaching for the FCM fuzzy set are presented, and their functions in the validation process of fuzzy clustering are deeply analyzed. A new cluster validity index is propo...

Facial expression is one of the most important social indicators that allows people to know our emotions. Emotion recognition mostly defined as an ability understand facial expressions. The study aimed at designing a test measure emotion and determine its psychometric properties. A consists 44 (male/female mild/intense) expressions were designed 6 basic 240 students selected using cluster sampl...

We develop a scale to measure fundamentalism among the followers of Abrahamic faiths. The is intended overcome challenges that beset comparative analysis subject: variability religious fundamentalist movements historically, cross-nationally, and across these religions; differences in definition fundamentalism, etymological ambiguity term. conceptualized as cluster core orientations toward one's...