@varpsby |

Population variances (non-d.f. corrected) of a series for each specified group.

Syntax: @varpsby(x, y[y1, y2, ... yn, s])

x: series

y series, alpha

s: (optional) sample string or object

Return: series

Returns the Pearson product moment population (non-d.f. corrected) variance for x each group defined by distinct values of y.

EViews will use the current or specified workfile sample.

Examples

show @varpsby(x, g1, g2)

produces a linked series of the by-group population variance of the series x, where members of the same group have identical values for both g1 and g2.

Cross-references