Am 12.10.2018 um 15:15 schrieb Allin Cottrell:
On Thu, 11 Oct 2018, Filipe Rodrigues da Costa wrote:


Let's say I haveĀ  series1, series2, ...,series100. I want to delete all
series with less than 20 observations. But, Gretl doesn't allow this
kind of massive deletion.

What exactly do you mean by "doesn't allow"? I suspect that you get some error message like "series in use", right?

If so, you could perhaps start a fresh gretl session. The 'clear' command might be enough.
cheers,
sven