@pcha |

One-period percentage change, annualized (in decimal fraction).

Syntax: @pcha(x)

x: series

n: integer, series

Return: series

Returns one-period percentage change (in decimal fraction) in the series x:

where is the lag associated with the yearly frequency (e.g., for quarterly data, for monthly data).

This function is panel aware.

Examples

If x is a series of monthly profits, then

show @pcha(x)

produces a linked series of annualized profit growth in decimal fraction.

Cross-references