Master Data Table
From Open Risk Manual
Revision as of 16:59, 7 September 2020 by Wiki admin (talk | contribs)
Definition
In the context of Model Development, Master Data Table is a data table (stored e.g. in a spreadsheet or a database) that captures the definitive collection of historical data that will be used for the development of a Risk Model
A master data table is the outcome of any Data Quality processes applied to input Risk Data
Examples
- In the context of building a credit scorecard the master data table will contain all required data for estimating a model in suitably formatted table
1 6 4 12 5 5 3 4 1 67 3 2 1 2 1 0 0 1 0 0 1 0 0 1 1 2 48 2 60 1 3 2 2 1 22 3 1 1 1 1 0 0 1 0 0 1 0 0 1 2 4 12 4 21 1 4 3 3 1 49 3 1 2 1 1 0 0 1 0 0 1 0 1 0 1 1 42 2 79 1 4 3 4 2 45 3 1 2 1 1 0 0 0 0 0 0 0 0 1 1 1 24 3 49 1 3 3 4 4 53 3 2 2 1 1 1 0 1 0 0 0 0 0 1 2 4 36 2 91 5 3 3 4 4 35 3 1 2 2 1 0 0 1 0 0 0 0 1 0 1 4 24 2 28 3 5 3 4 2 53 3 1 1 1 1 0 0 1 0 0 1 0 0 1 1
Issues and Challenges
- In modern big data environments the concept of a single data table may not be adequate