The defensive interval ratio (DIR) is a financial metric that can help investors assess a company's ability to meet its short-term operating expenses using its liquid assets.

Following Gart (1985, Biometrika 72, 673-677), we extend this correction to the case of estimating the common ratio in a series of two-by-two tables. Computing algorithms are given and applied to ...

Gentleman & Geyer (1994) discuss the analysis of interval censored data and present results based on standard convex optimisation theory. Here, this problem is viewed from the perspective of a mixing ...

The advertising-to-sales ratio is designed to show whether the resources a firm spends on an advertising campaign helped to generate new sales, and to what extent it generated those sales.