CSV Data Dictionary quick guide

Elements of the data dictionary:

Column or Row Name

Metadata_Element

Column_or_Row_Name

Reporting format statement

Column or row name from the data file.

Reporting format definition

Provide entries for each column or row name from the data matrix in the data file.

Required, Recommended or Optional

required

Unit

Metadata_Element

Unit

Reporting format statement

Provide the format or variable unit of measurement.

Reporting format definition

Provide variable units of measurement. Insert "N/A" when units aren't applicable. Data should be represented with units of measurement approved by the International System of Units (SI). Non-SI units are accepted for use and should be defined and referenced.

Required, Recommended or Optional

required

Definition

Metadata_Element

Definition

Reporting format statement

A complete unambiguous description.

Reporting format definition

A complete unambiguous description. Information may include: formulas used to calculate entry; definitions of coding systems (e.g. missing values, quality flags, etc.); detection limits; timestamp calculation; measurement of uncertainty, etc.

Required, Recommended or Optional

required

Column or Row Long Name

Metadata_Element

Column_or_Row_Long_Name

Reporting format statement

Human-readable name.

Reporting format definition

Longer human-readable column or row name. Sometimes this may be identical to Definition or even Column_or_Row_Name.

Required, Recommended or Optional

recommended

Data type

Metadata_Element

Data_Type

Reporting format statement

Define the data type.

Reporting format definition

Define the data type for each column (e.g. text, numeric, date)

Required, Recommended or Optional

recommended

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