hodrick-prescott applied to a group of variables

[veni]

Dear Group members,
I have several variables and I want to apply the HP filter. Who to automate this? I grouped them but the hpf does not work.
Many thanks in advance,
Veni

[EViews Gareth]

Perhaps you could show us what you've done so far, and explain how it doesn't work, then we can give you some pointers.

[veni]

group g1 * not resid
hpf(lambda=69) g1

g1 is a group of 100 series
Instead having
hpf(lambda=69) series1
.
.
.
hpf(lambda=69) series100
I'm looking for a way to automate this. Unless the only way is to include it in a for loop.
Thanks again

[EViews Gareth]

If you read through this thread, you can get tips on using for loops to automate such tasks:
viewtopic.php?f=5&t=1638