General
Information and Conventions
Unless noted otherwise:
- Transforms operate only on numeric values.
- x refers to any numeric constant or variable, and var is any numeric variable.
- dtVal is any date/time constant or variable, and dtVar is any date/time variable.
- string is any string constant or variable, and stringVar is any string variable. String constants are surrounded by double quotes (") or single quotes (').
- Output of transforms is a single real variable that can be the same as or different from an input variable.
Date/time constants are specified as date followed
by time, separated by at least one space, surrounded by backslash
(\) characters. The date and time must be in a form that the parser
can recognize. The recommended form is \ mm/dd/yy hh:mm:ss.ttt \
with seconds and thousandths optional.
Date/time increments are specified as a value
and a unit, surrounded by backslash (\) characters. The value is
a real number. The unit can be milliseconds, seconds, minutes, hours,
or days (but not months or years); it can be spelled out or abbreviated
to the first unique character.
Some status transforms operate on a variable's
status only, and some on its status and value.
Function and constant names are not case-sensitive.
Sometimes we display and document them in uppercase or mixed case,
but this is solely for ease of recognition.
Provide Feedback