Functions Reference

Aggregate functions
F
ILEMAKER PRO FUNCTIONS REFERENCE 28
StDevP
Purpose
Returns the standard deviation of a population represented by a series of non-blank values in a
field.
Format
StDevP(field{;field... })
Parameters
field - any related field, repeating field, or set of non-repeating fields; or an expression that returns
a field, repeating field, or set of non-repeating fields.
Parameters in braces { } are opt
ional.
Data type returned
number
Originated in
FileMaker Pro 6.0 or earlier
Description
Field can be any of the following:
• a
repeating field (repeatingField).
• a
field in matching related records specified by (table::field), whether or not these
records appear in a
portal.
• sever
al non-repeating fields in a record (field1;field2;field3...).
• co
rresponding repetitions of repeating fields in a record
(repeatingField1;repeatingField2;repeatingField3), if the result is r
eturned
in a repeating field with at least the same number of repeats.
• several fields in the first
matching record specified by
(table::field1;table::field2;...). You can include fields from different
tables
(table 1::field A;table 2::field B...).
StDevP
x
1
2
x
2
2
… x
n
2
+++
n
--------------------------------------------
x
1
x
2
… x
n
+++
n
-------------------------------------------
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2
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