Portal:Data

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Mp diagrams.jpg

Introduction

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:


Credit Rating Agency Ratings History Data

Under SEC Regulation 17g-7, Nationally Recognized Statistical Rating Organizations (NRSROs) are required to report their historical rating assignments, upgrades, downgrades and withdrawals since 2010. The files must be updated monthly, formatted in XBRL and posted to each rating agency's website. Rating data are generally reported on a one year delay.


General Sources

Sources in alphabetcial order:


Papers and Publications


Specific Sources


Derived Sources: Computed results from the Wikirating community

Ratings of S&P, Moody's, Fitch, Dagong and Wikirating (SWI and poll method) - visualized with a spiderplot diagram (Example here: Poland)


  • 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.


References