Windows-specific changes to R ============================= See the file NEWS for changes that affect all versions of R. rw1010 ====== There is now a GUI preferences editor on the Edit menu in Rgui. A data entry editor is now implemented. This is similar to the Unix one (see ?dataentry: that has itself been considerably enhanced in parallel with the Windows version) with the additional features that double-clicking in a cell turns it into an editable field (entered as a new value by navigating away from the cell), and there is a right-click popup menu. Rterm will now load and save the commands history (as Rgui does). There is a new item on the File menu in Rgui to save the commands history at that point in a session, and a new function savehistory() (only applicable in Rgui and Rterm). Colours in Rconsole can be specified as "Windows" and will be taken from the current Windows colour scheme. (The preferences editor will save the actual colour, though.) The placement of multiple pagers is now `random' (so they will not always appear in the exact centre of the screen) and under the MDI interface the pager rows and columns settings are now used. The postscript() device can now spool plots to a printer. You will need a suitable program to send a file to the spooler (or even to send it to ghostscript to interpret PostScript for the printer): the RedMon suite available from http://www.cs.wisc.edu/~ghost/rjl.html and GhostScript distribution sites should provide suitable tools. See ?postscript for further details. The new xfig() device can be used, and a port of xfig to Windows (with an X server and the Cygwin B20.1 environment and X11R6.4 installed) is at ftp.franken.de:/pub/win32/develop/gnuwin32/cygwin/porters/Humblet_Pierre_A/B20 as xfig-3.2.2-cygwin-b20.1-bin.tar.gz. The R DLL and executables now contain standard Windows version information, which will appear on a Version tab of the Properties dialog box in Explorer. The internal unzip and the installer now use unzip5.41, not unzip5.40, and the DLL interface is incompatible. There are changes in the tools needed to build R (see the file INSTALL) and those recommended for building packages from source (see the file readme.packages). New makefile target zipdata-% to zip up data directories in packages. If there is a file `Makefile.win' in a package src directory this will be used rather than MakePkgs (and the tcltk package provides an example). There is an example package `windlgs' in the package sources distribution that shows how to use graphapp to build dialog boxes to be called from menus, with a worked example of a t test done in three ways. More details of graphapp, including a tutorial and a reference manual, are at http://www.cs.usyd.edu.au/~loki/GraphApp. Optional support for the Tcl/Tk interface. To use this you need to install tcl831.exe from dev.scriptics.com, and you will need the Tcl and Tk dlls in your path. Also, you need to set the environment variable TCL_LIBRARY, to something like c:/Program Files/Tcl/lib/tcl8.3. The demos(tk*) will work on Windows. The R mathematical functions can now be built as a DLL for use with your own C programs. See src/nmath/standalone/README in the sources. Rdconv.bat no longer depends on having a Unix-compatible `cat' program in your path. A long-standing bug in the (vertical) alignment of symbols in plotmath has been corrected. Pagers should no longer flash when launched. Launching a pager or data editor or graphics window now brings it to the front, even from Rterm.exe. (Not for Tcl/Tk windows, unfortunately.) Failure to load a DLL with dyn.load now gives extended error information. rw1001 ====== The installer, rwinst.exe, now checks for ZIP files as well as zip files, as some browsers manage to map filenames to uppercase. There are batch files Rd2txt.bat Rdconv.bat Rdindex.bat Sd2Rd.bat which are the equivalent of the Unix `R CMD foo' utilities mentioned in `Writing R Extensions'. To use these you must have R_HOME set as an environment variable (using the form P:/R/rw1001). There is also a shell script Rd2dvi.sh which you can use if you have sh.exe (as used to compile packages) and latex etc. The environment variable XDVI sets the previewer, defaulting to xdvi.bat. A file `Makevars' in the `src' directory of a package can be used to add to/override the MakeDll makefile used to make foo.dll, as on Unix. (See `Creating shared libraries', section 3.4 of `Writing R Extensions'.) Under rare conditions (lots of very short input lines) the history buffer could overrun and so cause crashes. This has been possible since rw0623, but first caused reported problems in rw1000 and has now been fixed. Certain HP printer drivers (e.g. the 6/6MP-Postscript driver) reset the FPU and so were causing crashes. This has been circumvented in this version by restoring the settings before and after each page. Building on a non-default drive should be more reliable, as Perl is used to find the current drive. ------------------------------------------------------------------- For changes prior to the release of R 1.0.0 on 29 Feb 2000 see the file CHANGES0 in the source distribution.