@cumbprod |

Backward cumulative products of a series.

Decreasing samples calculation of the product of the values in x.

Syntax: @cumbprod(x[, s])

x: series

s: (optional) sample string or object

Return: series

Compute the product of the values in x from to the end of the workfile or from to the end of the optional sample s:

where is the last period of the cumulative process. Note that this function is prone to numeric overflow.

This function is panel aware.

Examples

show @cumbprod(x)

generates a linked series of the backward cumulative product of the observations in series x.

Cross-references

For the forward variant of this function, see
@cumprod.