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Example of the necessary variable metadata included in a Dataset JSON file based on the Iris data frame.

Usage

iris_items

Format

iris_items A data frame with 5 rows and 6 columns:

OID

Unique identifier for Variable. Must correspond to ItemDef/@OID in Define-XML.

name

Display format supports data visualization of numeric float and date values.

label

Label for Variable

type

Data type for Variable

length

Length for Variable

displayFormat

Display format supports data visualization of numeric float and date values.

keySequence

Indicates that this item is a key variable in the dataset structure. It also provides an ordering for the keys.