The index is sensitive to time changes of quantity and price data, over time, drawn from sub-measures, partially additive as they are measured in different units. The index summarizes these in a time series which includes the updates in quantities and prices’ values.Because usually data are...

The sensitive statistical indicators, among which the gross domestic product is a significant one, have been always, mainly during the periods of economic and financial crises, analyzed from all points of view: from the data sources and construction to the processing and dissemination.

In view of knowing the essence of phenomena it is necessary to perform statistical data processing operations. This allows for shifting from individual data to derived, synthetic indicators that highlight the essence of various phenomena. The high volume and diversity of processing operations...