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A general description is here.
‘diff(m, lag, dif)’ for matrix ‘m’ now still returns matrices, also when ‘lag * dif > nrow(m)’ (PR#18972, thanks to Mikael Jagan and Suharto Anggono). ‘diff(<ts-matrix>)’ remains matrix, even when it has length zero.
Tweaks to binning for ‘bw.SJ()’ and ‘bw.ucv()’ in the very rare case of data which have an extremely small range compared to their absolute values, e.g., ‘x <- 6e9 + 6:9’.