The internal consistency of the data series is open to question.

ART uses long-standing data series to record changes, and develop models to answer current questions.

Administrative data series go back to 1979 and are now updated annually.

This database covers 11 major data series for over 200 countries.

This process is repeated over the entire data series.

Thus, an historical data series is obtained for the growth of the capital stock over a period of time.

Both data series are volatile, but the new figures do not increase confidence in the state of the economy.

This is of particular importance for areas that have a low density of stations with long, daily data series.

The C test further assumes that each individual data series is normally distributed.

The corresponding data series is then omitted from the full data set.