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All four of ‘{col,row}{Sums,Means}(Z, na.rm=TRUE)’ now correctly work with complex ‘Z’ where ‘is.na(Re(Z))’ differs from ‘is.na(Im(Z))’, fixing PR#18942, unearthed by Dirk Eddelbuettel.
Tanguy Barthelemy and colleagues at the ‘R Dev Day’ following Rencontres R in May 2025 extended the help page of ‘lm()’, fixing PR#18058. As suggested by Thomas Soeiro, such notes were also added to the ‘glm()’, ‘poly()’ and ‘splines::bs()’ and ‘ns()’ pages.