MissingValueCode

A structured missing value definition from an external standard.

Usage

Source

MissingValueCode(
    value,
    label,
    category=None,
    reason=None,
)

In SPSS, SAS, and clinical data, missing values carry meaning (REFUSED, NOT_APPLICABLE, NOT_ASKED, etc.).

Parameters

value: Any

The sentinel value (e.g., -99, ".A", "").

label: str

What this missing code means.

category: str | None = None

Category of missingness (e.g., "system_missing", "user_missing").

reason: str | None = None

Why data is missing.