Changes in version 1.0.0 (2026-05-12) - CRAN submission - Minor spellcheck edits - Added logo, displayed on readme Changes in version 0.0.1.9000 - Function pprodcor corrected low accuracy of calculations for abs(rho) values between 0.95 and 1, which gets particularly worse as 1 is approached, and caused large errors at 0.999, for example. Correction solves problems upstream, in qprodcor and rho_from_median. - Added vignette Changes in version 0.0.0.9000 - First commit, includes all functions well documented with examples, thoroughly tested, and exported as needed; also description, readme, and this news; passes check.