Numerical Variable Encode with bad label value

[cfkstat]

Description

]-inf;21.5] => (-inf, 21.5]
]30.5;33.5] => (30.5, 33.5]

Context

[marcboulle]

Imho, the two notations are used.
But indeed, the value separator should be ‘,’ instead of ‘;’.

cf. https://en.wikipedia.org/wiki/Interval_(mathematics)
Including or excluding endpoints
To indicate that one of the endpoints is to be excluded from the set, the corresponding square bracket can be either replaced with a parenthesis, or reversed. Both notations are described in International standard ISO 31-11.