Functions Reference

Table Of Contents
Chapter 2
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Aggregate functions 19
StDevP
Format
StDevP(field{;field... })
Parameter
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 curly braces { } are optional.
Data type returned
number
Description
Returns the standard deviation of a population represented by a series of non-blank
values in:
a repeating field (repeatingField).
a field in matching related records specified by (table::field), whether or not
these records appear in a portal.
several non-repeating fields in a record (field1;field2;field3...).
corresponding repetitions of repeating fields in a record
(repeatingField1;repeatingField2;repeatingField3), if the result is
returned 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...).
ΣτΔεϖΠ
ξ
1
2
ξ
2
2
…ξ
ν
2
+++
ν
------------------------------------------
ξ
1
ξ
2
…ξ
ν
+++
ν
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2
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