The classification procedure based on the K-means method with an unknown number of classes first proposed by professor Sergey Aivazian is designed and investigated in the article. The adaptive Mahalanobis metrics and dynamically computed measures of observation anomaly and class homogeneity are...

This study has used a cross-sectional, 'bottom-up' design to determine the cost to society of multiple sclerosis (MS) in Sweden in 1998. The total cost of MS was estimated at 4 868 MSEK, meaning an annual cost of 442 500 SEK per patient. Direct costs accounted for about 67% of total cost, and...