We focus on mixtures of factor analyzers from the perspective of a method for model-based density estimation from high-dimensional data, and hence for the clustering of such data. This approach enables a normal mixture model to be fitted to a sample of n data points of dimension p, where p is...

In the present study we attempt to trace the diffusion of h-related literature over a five-year period beginning with the introduction of the h-index. The study is based on a reliable and representative publication set of 755 papers retrieved from the Web of Science database using keywords and...

Development of the infrastructure is one of the key factors in determining the competitiveness of a nation. Most world competitiveness reports include infrastructure development as a primary set of indicators in assessing the competitiveness of nations. We ranked the indicators based on their...