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About sub-classifications

Adobe Analytics support both single-level and multiple-level classifications models. A classification hierarchy allows you to apply a classification to a classification.
Sub-classification refers to the ability to create classifications of classifications. However, this is not the same as a Classification Hierarchy used to create Hierarchy reports. For more information about Classification hierarchies, see Classification Hierarchies .
For example:
Each classification in this model is independent and corresponds to a new sub-report for the selected reporting variable. Furthermore, each classification constitutes one data column in the data file, with the classification name as the column heading. For example:
KEY
PROPERTY 1
PROPERTY 2
123
ABC
A12B
456
DEF
C3D4
For more information about the data file, see Classification Data Files .
Multiple-level classifications are comprised of parent and child classifications. For example:
Parent classifications: A parent classification is any classification that has an associated child classification. A classification can be both a parent and child classification. The top-level parent classifications correspond to single-level classifications (See Single-Level Classifications ).
Child classifications: A child classification is any classification that has another classification as its parent instead of the variable. Child classifications provide additional information about their parent classification. For example, a Campaigns classification might have a Campaign Owner child classification. Numeric classifications also function as metrics in classification reports.
Each classification, either parent or child, constitutes one data column in the data file. The column heading for a child classification using the following naming format:
<parent_name>^<child_name>
For more information about the data file format, see Classification Data Files .
For example:
KEY
PROPERTY 1
Property 1^Property 1-1
Property 1^Property 1-2
Property 2
123
ABC
Green
Small
A12B
456
DEF
Red
Large
C3D4
Although the file template for a multilevel classification is more complex, the power of multilevel classifications is that separate levels can be uploaded as separate files. This approach can be used to minimize the amount of data that needs to be uploaded periodically (daily, weekly, and so forth) by grouping data into classification levels that change over time versus those that don't.
If the Key column in a data file is blank, Adobe automatically generates unique keys for each data row. To avoid possible file corruption when uploading a data file with second-level or higher-level classification data, populate each row of the Key column with an asterisk (*).
See Common Classification Upload Issues for troubleshooting help.
Product classification data is limited to data attributes directly related to the product. The data is not limited to how the products are categorized or sold on the website. Data elements like sale categories, site browse nodes, or sale items are not product classification data. Rather, these elements are captured in report conversion variables.
When uploading data files for this product classification, you can upload the classification data as a single file or as multiple files (see below). By separating the color code in file 1 and the color name in file 2, the color name data (which may only be a few rows) needs to be updated only when new color codes are created. This eliminates the color name (CODE^COLOR) field from the more frequently updated file 1 and reduces file size and complexity when generating the data file.

Product Classification - Single File

KEY
PRODUCT NAME
PRODUCT DETAILS
GENDER
SIZE
CODE
CODE^COLOR
410390013
Polo-SS
Men's Polo Shirt, Short Sleeve (M,01)
M
M
01
Stone
410390014
Polo-SS
Men's Polo Shirt, Short Sleeve (L,03)
M
L
03
Heather
410390015
Polo-LS
Women's Polo Shirt, Long Sleeve (S,23)
F
S
23
Aqua

Product Classification - Multiple Files (File 1)

KEY
PRODUCT NAME
PRODUCT DETAILS
GENDER
SIZE
CODE
410390013
Polo-SS
Men's Polo Shirt, Short Sleeve (M,01)
M
M
01
410390014
Polo-SS
Men's Polo Shirt, Short Sleeve (L,03)
M
L
03
410390015
Polo-LS
Women's Polo Shirt, Long Sleeve (S,23)
F
S
23

Product Classification - Multiple Files (File 2)

KEY
CODE
CODE^COLOR
*
01
Stone
*
03
Heather
*
23
Aqua