@rfirst |

First non-missing value in rows of group.

Value of the first non-missing value in each row of the group.

Syntax: @rfirst(x)

x: group

Return: series

For each observation corresponding to a row in the group of series, find the first non-missing value in the row.

Examples

show @rfirst(g

returns a linked series of the first non-missing observations in the rows of group g.

Cross-references