Trailing moving non-missing observations.

n-period trailing number of non-missing observations, ignoring NAs.

Syntax: @mobs(x, n)

x: series, alpha

n integer, series

Return: series

For each observation and integer , count the number of non-missing (non-NA) observations in the current and previous observations of the series,

Equivalent to @movobs.

Examples

show @mobs(x, 12)

produces a linked series of non-NA counts based on a 12-period moving window over the series x.

Cross-references

See also
@mnas.