@ifirst |

Index of the first non-missing value in the data object.

Syntax: @ifirst(m)

m: data object

Return: scalar

Returns a scalar containing the index of the first non-missing value of the data object.The series version uses the current workfile sample.

Examples

Let V be a vector of length 4 whose elements are NA, NA, 4.2, and 1.7. Then

= @ifirst(v)

returns 3.

Cross-references