Portal:Data for credit ratings
Data for credit ratings
This area is intended to be the container for all used data/documents (checked and approved under the aspect of reliability) on Wikirating. It concerns textual reports, direct (raw) data, as well as derived (computed) data files in a common and convenient format for computing:
 General Sources
- Bank for International Settlements (BIS) - Data
- CIA World Factbook - Data of all countries of the world
- DefaultRisk.com - Resource for credit risk modeling
- International Monetary Fund (IMF) - Data and Statistics
- OpenSpending - Data about Mapping the Money
- United Nations Statistics Division
- The World Bank - Data
 Papers and Publications
- Norbert Gaillard (2013) "Credit rating agencies and the Eurozone Crisis: What is the value of sovereign ratings?"
- Marwan Elkhoury (2008) "Credit rating agencies and their potential impact on developing countries", UNCTAD - No. 186
Report with examples of, mostly, overrating of countries (Table on p. 10) by the commercial rating agencies in the period 1997-2008
 Specific Sources
 Derived Sources: Computed results from the Wikirating community
Spiderweb plots of countries[link not working since September 2013] showing current Wikirating sovereign ratings (SWI and poll method) as well as Standard & Poor's, Moody's, Fitch and Dagong, ratings in a glimpse, for countries with at least one rating. The compound ratings are updated each 30 minutes.
- Download .csv file or view sovereign credit ratings table as collected on Wikirating (updated /30 min.)
- Download .csv file or view corporate credit ratings table as collected on Wikirating (updated /30 min.)
- Currency siblings Data plots for finding similar-trend currencies using correlation analysis.
 How-to: Statistical methodologies, numerical methods
- Wikipedia - Combined ranking: How to merge several ranked lists into a single combined (compound) ranking
- Wikipedia - Cross validation: How to perform multiple tests for cross validating - e.g., for random selection of polling data and subsequent k-fold evaluation
- Wikipedia - Outlier detection: How to detect outliers, overview of outlier phenomena.