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Added commend about PBUF having no effect on 'Average' algorithm

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This commit is contained in:
Simon Rose
2022-05-16 08:55:51 +02:00
committed by Michael Davidsaver
parent 579c125b01
commit b963a4564e
1 changed files with 5 additions and 0 deletions
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5
modules/database/src/std/rec/compressRecord.dbd.pod
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@@ -175,6 +175,11 @@ of all four records will be calculated and placed into the VAL field.
If PBUF is set to YES, then after each process the average of the first several
elements will be calculated.
Note that PBUF has no impact on the C<<< Average >>> method. If one wishes to have a
rolling average computed, then the best way to achieve that is with two compress
records: a C<<< Circular buffer >>> which is linked to an C<<< N to 1 Average >>>
record with PBUF set to YES.
The compression record keeps NSAM data samples.
The field N determines the number of elements to compress into each result.