Filemaker Pro 8.5 Educational Maintenance T2 TJ085LL/A 用户手册
产品代码
TJ085LL/A
26 FileMaker Functions Reference
StDevP(Field2) returns
1.11803398...
for a non-repeating field.
StDevP(Field1;Field2;Field3) returns
2.16024689...
,
2.49443825...
,
1.5
,
2
for
repeating fields.
Note
When a referenced field is a repeating field, the StDevP function returns the
standard deviation of a population in the first repetition fields, then the standard deviation
of a population in the second repetition fields, and so on.
of a population in the second repetition fields, and so on.
Sum
Format
Sum(field{;field...})
Parameter
field - any
,
; or an
that returns a field, repeating field, or set of non-repeating fields.
Parameters in curly braces { } are optional.
Parameters in curly braces { } are optional.
Data type returned
number
Description
Returns the total of all valid, non-blank values in:
•
•
a repeating field (repeatingField).
•
a field in matching
specified by (table::field), whether or not
these records appear in a
.
•
several non-repeating fields in a
(field1;field2;field3...).
•
corresponding repetitions of repeating fields in a record
(repeatingField1;repeatingField2;repeatingField3), if the result is
(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
(table::field1;table::field2;...). You can include fields from different
(table 1::field A;table 2::field B...).
Examples
An Invoice table has a portal showing line items.
Sum(LineItems::ExtendedPrice) totals the amounts for all items on the invoice.
A TimeBilling table has a portal showing time worked on a project. Hours is a time field.
A TimeBilling table has a portal showing time worked on a project. Hours is a time field.
Sum(Hours::BillableHours) returns the total number of billable hours on a project.
Thus, if the portal shows
40
hours and
15:30
hours, the total billable hours are
55:30
, or
55 1/2
hours.