• kdb+

  null first n terms for mavg

  Posted by powerpeanuts on August 10, 2022 at 12:00 am

  Hello, how can i set null for first n terms in mavg? For example,

  a: til 10

  3 mavg a gets:

  0 0.5 1 2 3…..

   

  How can I set null for the first 2 terms?

  i.e. I want to get:

  0n 0n 1 2 3…..

   

  powerpeanuts replied 8 months, 1 week ago 2 Members · 1 Reply
• 1 Reply

• 

  baichen

  Member

  August 10, 2022 at 12:00 am

  To set value in a list, we can use @

  n:2
  @[3 mavg a;til n;:;0n]
  0n 0n 1 2 3 4 5 6 7 8

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