![]() tools::Rd2latex() now escapes hashes and ampersands when writing URLs, fixing LaTeX errors with such URLs in \tabular.qt(*, log.p=TRUE) in outer tails no longer produces NaN in its final steps, thus fixing PR#18360.Rscript -e would fail if stdin were closed (Reported by Henrik Bengtsson.).(Windows) The default format of readClipboard() and writeClipboard() has been changed to 13 (CF_UNICODETEXT).The \mathscr LaTeX command is also provided (via the mathrsfs package, if available, or the amsfonts bundle otherwise), fulfilling the wish of PR#18398. The LaTeX style for producing the PDF manuals, Rd.sty, now loads the standard amsmath, amsfonts and amssymb packages for greater coverage of math commands in the Rd \eqn and \deqn macros.(macOS) The run-time check for libraries from XQuartz for X11 and Tcl/Tk no longer uses otool from the Apple Developer Tools (PR#18400).This reduces security, but may be needed for downloads to work with MITM proxies (PR#18379). On Windows, environment variable R_LIBCURL_SSL_REVOKE_BEST_EFFORT can be used to switch to only 'best-effort' SSL certificate revocation checks with the default "libcurl" download method. ![]() tools::Rdiff(useDiff = TRUE) checks for the presence of an external diff command and switches to useDiff = FALSE if none is found.Great care has been taken over the defaults for the minor design choices in graphics, but the user retains full control. One of R's strengths is the ease with which well-designed publication-quality plots can be produced, including mathematical symbols and formulae where needed. The S language is often the vehicle of choice for research in statistical methodology, and R provides an Open Source route to participation in that activity. ) and graphical techniques, and is highly extensible. R provides a wide variety of statistical (linear and nonlinear modelling, classical statistical tests, time-series analysis, classification, clustering. There are some important differences, but much code written for S runs unaltered under R. R can be considered as a different implementation of S. ![]() It is a GNU project which is similar to the S language and environment which was developed at Bell Laboratories (formerly AT&T, now Lucent Technologies) by John Chambers and colleagues. ![]() R is a language and environment for statistical computing and graphics. ![]()
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