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‘prcomp()’ gains a new option ‘rank.’ allowing to directly aim for less than ‘min(n,p)’ PC's. The ‘summary()’ and its ‘print()’ method have been amended, notably for this case.
‘as.roman(ch)’ now correctly deals with more diverse character vectors ‘ch’; also arithmetic with the resulting roman numbers works in more cases. (PR#16779)
‘gzcon()’ gains a new option ‘text’, which marks the connection as text-oriented (so e.g. ‘pushBack()’ works). It is still always opened in binary mode.