atleast(optional)Gives a minimum estimated value for an approximate measurement.
Value is a decimal number.
atmost(optional)Gives a maximum estimated value for an approximate measurement.
Value is a decimal number.
confidence(optional)Specifies the degree of statistical confidence (between zero and one) that a value
falls within the range specified by min and max, or the proportion of observed values
that
fall within that range.
Value conforms to data.CONFIDENCE.
extent(optional)Captures a measurement, count, or description. When extent contains a numeric value,
use the unit attribute to indicate the measurement unit.
Value is plain text.
max(optional)Where the measurement summarizes more than one observation or a range of values,
supplies the maximum value observed.
Value is a decimal number.
min(optional)Where the measurement summarizes more than one observation or a range of values,
supplies the minimum value observed.
Value is a decimal number.
unit(optional)Indicates the unit of measurement. Suggested values are: "byte" (Byte.), "char" (Character.), "cm" (Centimeter.), "deg" (Degree.), "in" (Inch.), "issue" (Serial issue.), "ft" (Foot.), "m" (Meter.), "mm" (Millimeter.), "page" (Page.), "pc" (Pica.), "pt" (Point.), "px" (Pixel.), "rad" (Radian.), "record" (Record.), "vol" (Serial volume.), "vu" (MEI virtual unit.)