Exploratory Data Analysis Methods for TSX Mining Companies

This article presents methods for exploratory data analysis for all mining companies listed on the TSX Inc., focusing on data from a specifi c day, December 17, 2025, when the total market capitalization exceeded $1 trillion. The methods in this paper can be extended from cross-sectional data to longitudinal data, enabling tracking of market capitalization over decades of daily data. This paper shows diff erent combinations of data, including market capitalization, stock trading value, the ratio of trading value to market cap, and the age of the listing. The paper also shows some logarithmic transformations of diff erent data series to highlight statistical features related to extreme values.