For instance, to build an index on Brazil’s GDP, base year 2010:
- search for Brazil’s GDP - copy the 2010 value - change to the calculator menu - find the formula generator, the one which shows Brazil’s GDP identifier already… - divide it by the base year as stored in your clipboard (don’t forget to add the “/” first) - and finally, multiply the formula by 100 to build the index number…
For any single time series some general statistical figures are calculated automatically:
- the minimum and maximum value - the mean - the standard deviation - the co-variance
Ref. the above example: simply click to the corresponding icon beside the new calculated “Brazil GDP index number” series.
The calculator also provides a powerful transformation tool which comes with a number of predefined hard wired functions:
- lag - moving average - interpolation of missing values - forecast
- for calculating the difference per time series selected (t-(t-1)) and - the rate of change (t/t-1): compounded or continuously compounded