search for: unreduc

Displaying 2 results from an estimated 2 matches for "unreduc".

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2011 Dec 08
2
Compilation error of R-2.14.0 on Mac OS 10.7.2
...t to install the latest version of R from source on my MacBook Pro, using latest versions of Xcode and gfortran for Lion and configure options: ./configure --with-libintl-prefix=/sw --enable-R-shlib (this last option necessary to further install the Rpy Python package) I got the following unreduced compilation error: gcc -std=gnu99 -dynamiclib -Wl,-headerpad_max_install_names -undefined dynamic_lookup -single_module -multiply_defined suppress -L/sw/lib -L/usr/local/lib -o tools.so text.o init.o Rmd5.o md5.o signals.o -L../../../../lib -lR -dylib_file lib...
2000 Aug 10
1
Problems with levels of factors
....0.25). For example, after splitting a data frame accordinng to whatever criterion, it might well happen that not all levels of a factor are present in all new data frames. However, R doesn't seem to care about. When performing some kind of analysis seperately on the new frames, each time the unreduced number of levels is present. That can be very problematic, as a lot of methods tend to crash because no data are found for the "lost" level. Neither explicit setting of "data=data.frame.xyz" nor any straightforward use of "detach()" or "attach()" nor &qu...