R help - May 2006 - R-2.3.0 make error

Dear list,

When compiling the R-2.3.0 on FC4 x86_64, I got the following errors:

make[3]: Entering directory
`/project/scratch3/ligroup/wuming/src/R-2.3.0/src/main'
gcc -Wl,--export-dynamic -L/usr/local/lib64 -o R.bin Rmain.o
CConverters.o CommandLineArgs.o Rdynload.o Renviron.o RNG.o apply.o
arithmetic.o apse.o array.o attrib.o base.o bind.o builtin.o
character.o coerce.o colors.o complex.o connections.o context.o cov.o
cum.o dcf.o datetime.o debug.o deparse.o deriv.o dotcode.o dounzip.o
dstruct.o duplicate.o engine.o envir.o errors.o eval.o format.o
fourier.o gevents.o gram.o gram-ex.o graphics.o identical.o internet.o
iosupport.o lapack.o list.o localecharset.o logic.o main.o mapply.o
match.o memory.o model.o names.o objects.o optim.o optimize.o
options.o par.o paste.o pcre.o platform.o plot.o plot3d.o plotmath.o
print.o printarray.o printvector.o printutils.o qsort.o random.o
regex.o registration.o relop.o rlocale.o saveload.o scan.o seq.o
serialize.o size.o sort.o source.o split.o sprintf.o startup.o
subassign.o subscript.o subset.o summary.o sysutils.o unique.o util.o
version.o vfonts.o xxxpr.o   ../unix/libunix.a ../appl/libappl.a
../nmath/libnmath.a  -lgfortran -lm -lgcc_s  ../extra/zlib/libz.a
../extra/bzip2/libbz2.a ../extra/pcre/libpcre.a  -lreadline -lncurses 
-ldl -lm
../appl/libappl.a(cmplxblas.o)(.text+0x1100a): In function `zrotg_':
/project/scratch3/ligroup/wuming/src/R-2.3.0/src/appl/cmplxblas.f:5579:
undefined reference to `z_abs'
../appl/libappl.a(cmplxblas.o)(.text+0x11069):/project/scratch3/ligroup/wuming/src/R-2.3.0/src/appl/cmplxblas.f:5585:
undefined reference to `z_abs'
../appl/libappl.a(cmplxblas.o)(.text+0x11079):/project/scratch3/ligroup/wuming/src/R-2.3.0/src/appl/cmplxblas.f:5585:
undefined reference to `z_abs'
../appl/libappl.a(cmplxblas.o)(.text+0x110de):/project/scratch3/ligroup/wuming/src/R-2.3.0/src/appl/cmplxblas.f:5586:
undefined reference to `z_abs'
../appl/libappl.a(cmplxblas.o)(.text+0x11146):/project/scratch3/ligroup/wuming/src/R-2.3.0/src/appl/cmplxblas.f:5586:
undefined reference to `z_abs'
../appl/libappl.a(cmplxblas.o)(.text+0x1116e):/project/scratch3/ligroup/wuming/src/R-2.3.0/src/appl/cmplxblas.f:5588:
more undefined references to `z_abs' follow
collect2: ld returned 1 exit status
make[3]: *** [R.bin] Error 1
make[3]: Leaving directory
`/project/scratch3/ligroup/wuming/src/R-2.3.0/src/main'
make[2]: *** [R] Error 2
make[2]: Leaving directory
`/project/scratch3/ligroup/wuming/src/R-2.3.0/src/main'
make[1]: *** [R] Error 1
make[1]: Leaving directory
`/project/scratch3/ligroup/wuming/src/R-2.3.0/src'
make: *** [R] Error 1

Is there any way to fix this problem?

Thanks,

Wuming

"Wuming Gong" <wuming.gong at gmail.com> writes:
> Dear list,
> 
> When compiling the R-2.3.0 on FC4 x86_64, I got the following errors:
> 
> make[3]: Entering directory
> `/project/scratch3/ligroup/wuming/src/R-2.3.0/src/main'
> gcc -Wl,--export-dynamic -L/usr/local/lib64 -o R.bin Rmain.o
> CConverters.o CommandLineArgs.o Rdynload.o Renviron.o RNG.o apply.o
> arithmetic.o apse.o array.o attrib.o base.o bind.o builtin.o
> character.o coerce.o colors.o complex.o connections.o context.o cov.o
> cum.o dcf.o datetime.o debug.o deparse.o deriv.o dotcode.o dounzip.o
> dstruct.o duplicate.o engine.o envir.o errors.o eval.o format.o
> fourier.o gevents.o gram.o gram-ex.o graphics.o identical.o internet.o
> iosupport.o lapack.o list.o localecharset.o logic.o main.o mapply.o
> match.o memory.o model.o names.o objects.o optim.o optimize.o
> options.o par.o paste.o pcre.o platform.o plot.o plot3d.o plotmath.o
> print.o printarray.o printvector.o printutils.o qsort.o random.o
> regex.o registration.o relop.o rlocale.o saveload.o scan.o seq.o
> serialize.o size.o sort.o source.o split.o sprintf.o startup.o
> subassign.o subscript.o subset.o summary.o sysutils.o unique.o util.o
> version.o vfonts.o xxxpr.o   ../unix/libunix.a ../appl/libappl.a
> ../nmath/libnmath.a  -lgfortran -lm -lgcc_s  ../extra/zlib/libz.a
> ../extra/bzip2/libbz2.a ../extra/pcre/libpcre.a  -lreadline -lncurses 
> -ldl -lm
> ../appl/libappl.a(cmplxblas.o)(.text+0x1100a): In function `zrotg_':
> /project/scratch3/ligroup/wuming/src/R-2.3.0/src/appl/cmplxblas.f:5579:
> undefined reference to `z_abs'
>
../appl/libappl.a(cmplxblas.o)(.text+0x11069):/project/scratch3/ligroup/wuming/src/R-2.3.0/src/appl/cmplxblas.f:5585:
> undefined reference to `z_abs'
>
../appl/libappl.a(cmplxblas.o)(.text+0x11079):/project/scratch3/ligroup/wuming/src/R-2.3.0/src/appl/cmplxblas.f:5585:
> undefined reference to `z_abs'
>
../appl/libappl.a(cmplxblas.o)(.text+0x110de):/project/scratch3/ligroup/wuming/src/R-2.3.0/src/appl/cmplxblas.f:5586:
> undefined reference to `z_abs'
>
../appl/libappl.a(cmplxblas.o)(.text+0x11146):/project/scratch3/ligroup/wuming/src/R-2.3.0/src/appl/cmplxblas.f:5586:
> undefined reference to `z_abs'
>
../appl/libappl.a(cmplxblas.o)(.text+0x1116e):/project/scratch3/ligroup/wuming/src/R-2.3.0/src/appl/cmplxblas.f:5588:
> more undefined references to `z_abs' follow
> collect2: ld returned 1 exit status
> make[3]: *** [R.bin] Error 1
> make[3]: Leaving directory
> `/project/scratch3/ligroup/wuming/src/R-2.3.0/src/main'
> make[2]: *** [R] Error 2
> make[2]: Leaving directory
> `/project/scratch3/ligroup/wuming/src/R-2.3.0/src/main'
> make[1]: *** [R] Error 1
> make[1]: Leaving directory
`/project/scratch3/ligroup/wuming/src/R-2.3.0/src'
> make: *** [R] Error 1
> 
> Is there any way to fix this problem?
Hmm... It's not happening to me on a similar setup

$ uname -a
Linux janus 2.6.16-1.2096_FC4smp #1 SMP Wed Apr 19 16:01:54 EDT 2006
x86_64 x86_64 x86_64 GNU/Linux

gcc -Wl,--export-dynamic -L/usr/local/lib64 -o R.bin Rmain.o
CConverters.o CommandLineArgs.o Rdynload.o Renviron.o RNG.o apply.o
arithmetic.o apse.o array.o attrib.o base.o bind.o builtin.o
character.o coerce.o colors.o complex.o connections.o context.o cov.o
cum.o dcf.o datetime.o debug.o deparse.o deriv.o dotcode.o dounzip.o
dstruct.o duplicate.o engine.o envir.o errors.o eval.o format.o
fourier.o gevents.o gram.o gram-ex.o graphics.o identical.o internet.o
iosupport.o lapack.o list.o localecharset.o logic.o main.o mapply.o
match.o memory.o model.o names.o objects.o optim.o optimize.o
options.o par.o paste.o pcre.o platform.o plot.o plot3d.o plotmath.o
print.o printarray.o printvector.o printutils.o qsort.o random.o
regex.o registration.o relop.o rlocale.o saveload.o scan.o seq.o
serialize.o size.o sort.o source.o split.o sprintf.o startup.o
subassign.o subscript.o subset.o summary.o sysutils.o unique.o util.o
version.o vfonts.o xxxpr.o   ../unix/libunix.a ../appl/libappl.a
../nmath/libnmath.a -lblas -lgfortran -lm -lgcc_s
../extra/zlib/libz.a ../extra/bzip2/libbz2.a ../extra/pcre/libpcre.a
-lreadline -lncurses  -ldl -lm

Apparently, you are configuring without a BLAS library, but it is not
like I get into trouble by removing them from my setup. I'm puzzled.

You might check whether you need to upgrade something in your system.


-- 
   O__  ---- Peter Dalgaard             ?ster Farimagsgade 5, Entr.B
  c/ /'_ --- Dept. of Biostatistics     PO Box 2099, 1014 Cph. K
 (*) \(*) -- University of Copenhagen   Denmark          Ph:  (+45) 35327918
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk)                  FAX: (+45) 35327907

Hi Peter,

This is mine:

AR = ar
BLAS_LIBS C_VISIBILITY = -fvisibility=hidden
CC = gcc
CFLAGS = -g -O2 -std=gnu99
CPICFLAGS = -fpic
CPPFLAGS = -I/usr/local/include
CXX = g++
CXXCPP = g++ -E
CXXFLAGS = -g -O2
CXXPICFLAGS = -fpic
DYLIB_EXT = .so
DYLIB_LD = gcc
DYLIB_LDFLAGS = -shared
DYLIB_LINK = $(DYLIB_LD) $(DYLIB_LDFLAGS) $(LDFLAGS)
ECHO_C ECHO_N = -n
ECHO_T F77 = gfortran
F77_VISIBILITY = -fvisibility=hidden
FC = f95
FCFLAGS = -g -O2
FFLAGS = -g -O2
FLIBS =  -lgfortran -lm -lgcc_s
FCPICFLAGS = -fpic
FPICFLAGS = -fpic
JAVA = /usr/bin/java
JAVA_HOME = /usr/lib/jvm/java-1.4.2-gcj-1.4.2.0/jre
JAVA_LD_LIBRARY_PATH JAVA_LIBS = -L -ljvm
LAPACK_LIBS = -L$(R_HOME)/lib$(R_ARCH) -lRlapack
LIBM = -lm
LIBR LIBS =  -ldl -lm
LIBTOOL = $(SHELL) $(R_HOME)/bin/libtool
LDFLAGS = -L/usr/local/lib64
R_ARCH RANLIB = ranlib
SAFE_FFLAGS = -g -O2 -ffloat-store
SED = /bin/sed
SHELL = /bin/sh
SHLIB_CFLAGS SHLIB_CXXFLAGS SHLIB_CXXLD = g++
SHLIB_CXXLDFLAGS = -shared
SHLIB_EXT = .so
SHLIB_FCLD = f95
SHLIB_FCLDFLAGS = -shared
SHLIB_FFLAGS SHLIB_LD = gcc
SHLIB_LDFLAGS = -shared
SHLIB_LIBADD SHLIB_LINK = $(SHLIB_LD) $(SHLIB_LDFLAGS) $(LDFLAGS)
TCLTK_CPPFLAGS TCLTK_LIBS 


On 02 May 2006 08:51:21 +0200, Peter Dalgaard <p.dalgaard at
biostat.ku.dk> wrote:
> "Wuming Gong" <wuming.gong at gmail.com> writes:
>
> > Dear Peter,
> >
> > $ uname -a
> > Linux bl3 2.6.15-1.1833_FC4smp #1 SMP Wed Mar 1 23:55:52 EST 2006
> > x86_64 x86_64 x86_64 GNU/Linux
> >
> > When ./configure, I did not claim any options...
> >
> > Wuming
>
> Hm. Which are your compilers? I have (in etc/Makeconf).
>
> AR = ar
> BLAS_LIBS > C_VISIBILITY = -fvisibility=hidden
> CC = gcc
> CFLAGS = -O2 -g -pipe -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -m64
> -mtune=nocona
> CPICFLAGS = -fpic
> CPPFLAGS = -I/usr/local/include
> CXX = g++
> CXXCPP = g++ -E
> CXXFLAGS = -O2 -g -pipe -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -m64
> -mtune=nocona
> CXXPICFLAGS = -fpic
> DYLIB_EXT = .so
> DYLIB_LD = gcc
> DYLIB_LDFLAGS = -shared
> DYLIB_LINK = $(DYLIB_LD) $(DYLIB_LDFLAGS) $(LDFLAGS)
> ECHO_C > ECHO_N = -n
> ECHO_T > F77 = gfortran
> F77_VISIBILITY = -fvisibility=hidden
> FC = f95
> FCFLAGS = -g -O2
> FFLAGS = -O2 -g -pipe -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -m64
> -mtune=nocona
> FLIBS =  -lgfortran -lm -lgcc_s
> FCPICFLAGS = -fpic
> FPICFLAGS = -fpic
> JAVA = /usr/bin/java
> JAVA_HOME = /usr/lib/jvm/java-1.4.2-gcj-1.4.2.0/jre
> JAVA_LD_LIBRARY_PATH > JAVA_LIBS = -L -ljvm
> LAPACK_LIBS = -L$(R_HOME)/lib$(R_ARCH) -lRlapack
> LIBM = -lm
> LIBR > LIBS =  -ldl -lm
> LIBTOOL = $(SHELL) $(R_HOME)/bin/libtool
> LDFLAGS = -L/usr/local/lib64
> R_ARCH > RANLIB = ranlib
> SAFE_FFLAGS = -O2 -g -pipe -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -m64
> -mtune=nocona -ffloat-store
> SED = /bin/sed
> SHELL = /bin/sh
> SHLIB_CFLAGS > SHLIB_CXXFLAGS > SHLIB_CXXLD = g++
> SHLIB_CXXLDFLAGS = -shared
> SHLIB_EXT = .so
> SHLIB_FCLD = f95
> SHLIB_FCLDFLAGS = -shared
> SHLIB_FFLAGS > SHLIB_LD = gcc
> SHLIB_LDFLAGS = -shared
> SHLIB_LIBADD > SHLIB_LINK = $(SHLIB_LD) $(SHLIB_LDFLAGS) $(LDFLAGS)
> TCLTK_CPPFLAGS = -I/usr/include -I/usr/include -I/usr/X11R6/include
> TCLTK_LIBS = -L/usr/lib64 -ltcl8.4 -L/usr/lib64 -ltk8.4
> -L/usr/X11R6/lib64 -lX11
>
>
> > On 01 May 2006 19:30:48 +0200, Peter Dalgaard <p.dalgaard at
biostat.ku.dk> wrote:
> > > "Wuming Gong" <wuming.gong at gmail.com> writes:
> > >
> > > > Dear list,
> > > >
> > > > When compiling the R-2.3.0 on FC4 x86_64, I got the
following errors:
> > > >
> > > > make[3]: Entering directory
> > > > `/project/scratch3/ligroup/wuming/src/R-2.3.0/src/main'
> > > > gcc -Wl,--export-dynamic -L/usr/local/lib64 -o R.bin Rmain.o
> > > > CConverters.o CommandLineArgs.o Rdynload.o Renviron.o RNG.o
apply.o
> > > > arithmetic.o apse.o array.o attrib.o base.o bind.o builtin.o
> > > > character.o coerce.o colors.o complex.o connections.o
context.o cov.o
> > > > cum.o dcf.o datetime.o debug.o deparse.o deriv.o dotcode.o
dounzip.o
> > > > dstruct.o duplicate.o engine.o envir.o errors.o eval.o
format.o
> > > > fourier.o gevents.o gram.o gram-ex.o graphics.o identical.o
internet.o
> > > > iosupport.o lapack.o list.o localecharset.o logic.o main.o
mapply.o
> > > > match.o memory.o model.o names.o objects.o optim.o
optimize.o
> > > > options.o par.o paste.o pcre.o platform.o plot.o plot3d.o
plotmath.o
> > > > print.o printarray.o printvector.o printutils.o qsort.o
random.o
> > > > regex.o registration.o relop.o rlocale.o saveload.o scan.o
seq.o
> > > > serialize.o size.o sort.o source.o split.o sprintf.o
startup.o
> > > > subassign.o subscript.o subset.o summary.o sysutils.o
unique.o util.o
> > > > version.o vfonts.o xxxpr.o   ../unix/libunix.a
../appl/libappl.a
> > > > ../nmath/libnmath.a  -lgfortran -lm -lgcc_s 
../extra/zlib/libz.a
> > > > ../extra/bzip2/libbz2.a ../extra/pcre/libpcre.a  -lreadline
-lncurses
> > > > -ldl -lm
> > > > ../appl/libappl.a(cmplxblas.o)(.text+0x1100a): In function
`zrotg_':
> > > >
/project/scratch3/ligroup/wuming/src/R-2.3.0/src/appl/cmplxblas.f:5579:
> > > > undefined reference to `z_abs'
> > > >
../appl/libappl.a(cmplxblas.o)(.text+0x11069):/project/scratch3/ligroup/wuming/src/R-2.3.0/src/appl/cmplxblas.f:5585:
> > > > undefined reference to `z_abs'
> > > >
../appl/libappl.a(cmplxblas.o)(.text+0x11079):/project/scratch3/ligroup/wuming/src/R-2.3.0/src/appl/cmplxblas.f:5585:
> > > > undefined reference to `z_abs'
> > > >
../appl/libappl.a(cmplxblas.o)(.text+0x110de):/project/scratch3/ligroup/wuming/src/R-2.3.0/src/appl/cmplxblas.f:5586:
> > > > undefined reference to `z_abs'
> > > >
../appl/libappl.a(cmplxblas.o)(.text+0x11146):/project/scratch3/ligroup/wuming/src/R-2.3.0/src/appl/cmplxblas.f:5586:
> > > > undefined reference to `z_abs'
> > > >
../appl/libappl.a(cmplxblas.o)(.text+0x1116e):/project/scratch3/ligroup/wuming/src/R-2.3.0/src/appl/cmplxblas.f:5588:
> > > > more undefined references to `z_abs' follow
> > > > collect2: ld returned 1 exit status
> > > > make[3]: *** [R.bin] Error 1
> > > > make[3]: Leaving directory
> > > > `/project/scratch3/ligroup/wuming/src/R-2.3.0/src/main'
> > > > make[2]: *** [R] Error 2
> > > > make[2]: Leaving directory
> > > > `/project/scratch3/ligroup/wuming/src/R-2.3.0/src/main'
> > > > make[1]: *** [R] Error 1
> > > > make[1]: Leaving directory
`/project/scratch3/ligroup/wuming/src/R-2.3.0/src'
> > > > make: *** [R] Error 1
> > > >
> > > > Is there any way to fix this problem?
> > >
> > > Hmm... It's not happening to me on a similar setup
> > >
> > > $ uname -a
> > > Linux janus 2.6.16-1.2096_FC4smp #1 SMP Wed Apr 19 16:01:54 EDT
2006
> > > x86_64 x86_64 x86_64 GNU/Linux
> > >
> > > gcc -Wl,--export-dynamic -L/usr/local/lib64 -o R.bin Rmain.o
> > > CConverters.o CommandLineArgs.o Rdynload.o Renviron.o RNG.o
apply.o
> > > arithmetic.o apse.o array.o attrib.o base.o bind.o builtin.o
> > > character.o coerce.o colors.o complex.o connections.o context.o
cov.o
> > > cum.o dcf.o datetime.o debug.o deparse.o deriv.o dotcode.o
dounzip.o
> > > dstruct.o duplicate.o engine.o envir.o errors.o eval.o format.o
> > > fourier.o gevents.o gram.o gram-ex.o graphics.o identical.o
internet.o
> > > iosupport.o lapack.o list.o localecharset.o logic.o main.o
mapply.o
> > > match.o memory.o model.o names.o objects.o optim.o optimize.o
> > > options.o par.o paste.o pcre.o platform.o plot.o plot3d.o
plotmath.o
> > > print.o printarray.o printvector.o printutils.o qsort.o random.o
> > > regex.o registration.o relop.o rlocale.o saveload.o scan.o seq.o
> > > serialize.o size.o sort.o source.o split.o sprintf.o startup.o
> > > subassign.o subscript.o subset.o summary.o sysutils.o unique.o
util.o
> > > version.o vfonts.o xxxpr.o   ../unix/libunix.a ../appl/libappl.a
> > > ../nmath/libnmath.a -lblas -lgfortran -lm -lgcc_s
> > > ../extra/zlib/libz.a ../extra/bzip2/libbz2.a
../extra/pcre/libpcre.a
> > > -lreadline -lncurses  -ldl -lm
> > >
> > > Apparently, you are configuring without a BLAS library, but it is
not
> > > like I get into trouble by removing them from my setup. I'm
puzzled.
> > >
> > > You might check whether you need to upgrade something in your
system.
> > >
> > >
> > > --
> > >    O__  ---- Peter Dalgaard             ?ster Farimagsgade 5,
Entr.B
> > >   c/ /'_ --- Dept. of Biostatistics     PO Box 2099, 1014
Cph. K
> > >  (*) \(*) -- University of Copenhagen   Denmark          Ph: 
(+45) 35327918
> > > ~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk)                  FAX:
(+45) 35327907
> > >
> >
>
> --
>    O__  ---- Peter Dalgaard             ?ster Farimagsgade 5, Entr.B
>   c/ /'_ --- Dept. of Biostatistics     PO Box 2099, 1014 Cph. K
>  (*) \(*) -- University of Copenhagen   Denmark          Ph:  (+45)
35327918
> ~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk)                  FAX: (+45)
35327907
>

On 5/7/06, Alexander Nervedi <alexnerdy at hotmail.com>
wrote:
> Hi
>
> is there an R equivalent of the Stata collpase command?
>
> suppose i have:
>
> classes <- 1:5
> schools <- letters[1:5]
> stud <- 1:10
>
> dat <- expand.grid(School = schools, Grade = classes, Student.ID = stud)
> with(dat, table(Student.ID, School))
> dat$marks <- rnorm(nrow(dat), 50, 25)
>
>
> I  want to get the mean score by school and class  while the data is at the
> school-class-student level. I could write something up but I was wondering
> if there is already something otu there.
>
library(doBy)
summaryBy(marks ~ School + Grade, dat) # by school/Grade combo

# or
library(Hmisc)
with(dat, summarize(marks, dat[,1:2], mean)) # same

# or (not quite the same)
library(Hmisc)
summary(marks ~ School + Grade, dat) # by School and separately by Grade

Also see ?tapply, ?by, colMeans?

Dear R-users,

are there pre-programmed packages that implement integer maximization? A 
preliminary google search didnt uncover anything that seemed to match.

I want to solve something like Max{U(x) + beta*U(x+y)} with respect to y, 
where y can take only integer values.

thanks.

Alnuddy

On Sun, 2006-05-14 at 19:29 +0000, Alexander Nervedi
wrote:
> Hi All,
> 
> I would like to control the order in which my boxplots are drawn. When i 
> issue the lines below I find that group "a" get plotted lowest,
while the
> highest letter grade is plotted on the top. I want to plot the letter
grades
> in descending order and I was wondering if tere is a quick way to do that.
> 
> thanks.
> Alex.
> 
> 
> play <- data.frame(code = letters[round(runif(100)*10+1)], income = 
> runif(100))
> with(play, boxplot(income~code, horizontal = TRUE, boxwex = 0.1))

The boxplot group order is based upon the factor levels for the RHS of
the formula. By default, the levels are done with an alpha sort.

So, to change the order, you can use the reorder() function, which has a
factor method:

with(play, boxplot(income ~ reorder(code, rev(levels(code))), 
                   horizontal = TRUE, boxwex = 0.1))

or you could break out the reorder() component into a separate line of
code if you find that easier to read.

See ?reorder for more information and an example.

HTH,

Marc Schwartz

Change the order of the levels in the factor:

with(play, boxplot(income~factor(code, levels = rev(levels(code))),
horizontal = TRUE, boxwex = 0.1))

On 5/14/06, Alexander Nervedi <alexnerdy at hotmail.com>
wrote:
> Hi All,
>
> I would like to control the order in which my boxplots are drawn. When i
> issue the lines below I find that group "a" get plotted lowest,
while the
> highest letter grade is plotted on the top. I want to plot the letter
grades
> in descending order and I was wondering if tere is a quick way to do that.
>
> thanks.
> Alex.
>
>
> play <- data.frame(code = letters[round(runif(100)*10+1)], income >
runif(100))
> with(play, boxplot(income~code, horizontal = TRUE, boxwex = 0.1))
>
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