See ?sub for more information. Be cautious in this case, as you will
need to coerce any factors to character vectors as I have done above,
and then possibly re-coerce to a factor as you may require.
HTH,
Marc Schwartz
On Fri, 2005-07-08 at 20:10 -0400, Gabor Grothendieck wrote:
trim in package
with the bar centers
curve(dnorm(x, 2.84 + 0.5, 1.57), add = TRUE)
I think that does it.
HTH,
Marc Schwartz
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rrr hhh 01
str(df)
`data.frame': 2 obs. of 3 variables:
$ name : chr xx rrr
$ surname: chr yyy hhh
$ answer : chr 00100 01
See the colClasses argument in ?read.table.
HTH,
Marc Schwartz
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first using dev.off() before the subsequent plots. However, you lose the
current plot as soon as you close it.
X11(width = 11, height = 8)
plot(1:10)
dev.off()
X11(width = 5, height = 5)
barplot(1:5)
dev.off()
HTH,
Marc Schwartz
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On Tue, 2005-07-19 at 13:08 -0500, Marc Schwartz (via MN) wrote:
For the TAB delimited columns, adjust the 'sep' argument to:
read.table(data.gct, skip = 2, header = TRUE, sep = \t)
The 'quote' argument is by default:
quote = \'
which should take care of the quoted strings and bring
and
down from the upper left hand corner by 10% of the plot region
width/height.
One more tweak in the legend() call. Use rep() for the pch characters.
HTH,
Marc Schwartz
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in date based arithmetic, etc.
HTH,
Marc Schwartz
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signs in the second line should similarly be surrounded:
$-$0.37
I have cc:d Frank here for his clarifications.
HTH,
Marc Schwartz
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,
Marc Schwartz
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to compute hash(x) should be quite short.
Any suggestions welcome
thanks
Adrian Baddeley
Take a look at Dirk Eddelbuettel's digest() function in the package of
the same name on CRAN. Be sure to read the details section for caveats
regarding collisions.
HTH,
Marc Schwartz
2 3 4 5
thank you,
simone
Nothe indexing of R objects is 1 based. Thus your first loop tried
to set i[0], which is a non-existent entry.
i - 0:5
i
[1] 0 1 2 3 4 5
i[0]
numeric(0)
i[1]
[1] 0
HTH,
Marc Schwartz
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On Thu, 2005-08-04 at 00:25 +0200, Simone Gabbriellini wrote:
how can I have a 0 evaluated in my loop then?
it is important for my algorithm
do you have any hints?
simone
Il giorno 03/ago/05, alle ore 23:37, Marc Schwartz ha scritto:
On Wed, 2005-08-03 at 23:24 +0200, Simone
per inch
HTH,
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,
Marc Schwartz
On Thu, 2005-08-25 at 14:57 +0200, TEMPL Matthias wrote:
Look more carefully at
?lm
at the See Also section ...
X - rnorm(30)
Y - rnorm(30)
lm(Y~X)
summary(lm(Y~X))
Best,
Matthias
Hi all
I used a function
qtrregr - by(AB, AB$qtr, function(AB) lm(AB
,
Marc Schwartz
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, 314.3, 20.1, 204.0, 96.0, 96.0,
115.0, 36.0, 0.0, 0.0)
barplot2(xrow, plot.ci = TRUE, ci.l = ci.l, ci.u = ci.u)
HTH,
Marc Schwartz
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postscript here will also better enable the 50% reduction that is
mentioned, given the vector based format here.
The key here also is to be sure that the plot looks good in the target
format, not on the screen, which includes text size, readability and
positioning, etc.
HTH,
Marc Schwartz
On Fri
registration. The 'Strib site seems to be open
for the moment:
http://www.startribune.com/stories/1519/5591930.html
I thought folks might find it interesting.
Best regards,
Marc Schwartz
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mtext(3, line = 2, text = Main Barplot Title, cex = 4)
Again, with the above, be sure to check the output in the target format,
not on the screen. They will not always be the same.
HTH,
Marc Schwartz
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LOL Ted! That's a great quote for fortune()!
On Sat, 2005-09-03 at 01:06 +0100, Ted Harding wrote:
On 02-Sep-05 Sean O'Riordain wrote:
I can't lay my hands n it at the moment - its around here somewhere,
but in Numerical Methods That Work by Forman Acton, the author
points out that the
that if you want to create an EPS output file, you would need
something like:
postscript(foo.ps, width = 6, height = 6,
horizontal = FALSE, onefile = FALSE, paper = special)
See the Details section of ?postscript and also ?layout.
HTH,
Marc Schwartz
(which is targeted more to statistics education
discussion) has been split off as a gateway to the edstat-L list, which
has substantively reduced its daily volume.
HTH,
Marc Schwartz
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'.
HTH,
Marc Schwartz
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.
HTH,
Marc Schwartz
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= paste(file, i, .csv, sep = ),
row.names = FALSE, col.names = FALSE, sep = ,)
}
HTH,
Marc Schwartz
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(http://tinyurl.com/bwha8)
ED-STATS (http://lists.psu.edu/archives/edstat-l.html)
and a few more http://tinyurl.com/a8wo4
Regards, Adai
On Fri, 2005-09-30 at 07:32 -0500, Marc Schwartz wrote:
On Thu, 2005-09-29 at 23:47 -0500, José Raul Capablanca wrote:
Dear All,
How can I can
On Sat, 2005-10-01 at 16:00 -0500, Paul Roebuck wrote:
On Sat, 1 Oct 2005, Marc Schwartz wrote:
On Sat, 2005-10-01 at 06:07 -0500, Paul Roebuck wrote:
Can someone tell me how to fix the left margin of plot region
such that the tick values don't overwrite the x-axis label?
I haven't
liner R command
to do what I want.
Any tips would be appreciated.
See the examples in ?plot.ts for some approaches.
You will need to review ?ts to create time series objects from your data
to be used in plot.ts().
Another approach, which is not specific to time series, is ?matplot.
HTH,
Marc
with axTicks(), after using 'xaxt = n'
and/or 'yaxt = n' in the plot call, depending upon the circumstances.
HTH,
Marc Schwartz
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On Sat, 2005-10-08 at 16:37 +0100, Prof Brian Ripley wrote:
On Sat, 8 Oct 2005, Marc Schwartz wrote:
On Sat, 2005-10-08 at 09:28 -0400, Denis Chabot wrote:
Hi,
A few times I tried to control the number and position of tick marks
in plots with the yasp or xasp parameters. For example
on plotting mathematical expressions.
HTH,
Marc Schwartz
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, alpha, alpha, alpha, alpha,
alpha, beta, beta, alpha, alpha)
Thus, 'greek' can be used in text() as an expression.
HTH,
Marc Schwartz
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PLEASE do read the posting
, row.names = FALSE,
quote = FALSE)
If needed, you can of course change the default delimiter from a to
another character in write.table().
See ?write.table and ?sprintf.
HTH,
Marc Schwartz
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to write.table().
See ?subset and ?write.table for more information.
HTH,
Marc Schwartz
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On Tue, 2005-10-11 at 08:42 +0100, Prof Brian Ripley wrote:
On Mon, 10 Oct 2005, Marc Schwartz wrote:
On Mon, 2005-10-10 at 19:50 -0400, Richard Hedger wrote:
Hi,
I'm trying to ouput to a filled with a fixed precision:
eg. if I have data x=c(1.0,1.4,2.0), I want to be able to ouput
' argument to skip columns.
HTH,
Marc Schwartz
Greetings from Eden Prairie
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, the date format is consistent with the default. Pay
attention to the 'format' argument in as.Date() if your dates should be
in other formats.
HTH,
Marc Schwartz
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PLEASE
, before you post a bug report, as that would avoid
a more energetic response.
Marc Schwartz
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comment better on this.
HTH,
Marc Schwartz
On Tue, 2005-10-11 at 18:02 -1000, Parlamis Franklin wrote:
## Code was long, so I simplified it by creating vectors from scratch
so it would run as is. Putative bug is still evidenced on the x axis
discount.factors.dates - seq.dates(from=09/30
is
operated upon in the same fashion as col.
HTH,
Marc Schwartz
On Tue, 2005-10-11 at 21:06 -1000, Parlamis Franklin wrote:
Thanks all for following up. I'll consider the bug filed.
I should note for the record that if 'col=red' is replaced in my
code by 'col.main=red' the x axis
this.
-Original Message-
From: Marc Schwartz [mailto:[EMAIL PROTECTED]
Sent: Tuesday, October 11, 2005 10:16 PM
To: t c
Cc: r-help@stat.math.ethz.ch
Subject: Re: [R] adding 1 month to a date
On Tue, 2005-10-11 at 16:26 -0700, t c wrote:
Within an R dataset, I have a date
is 'sep = ', which is any
whitespace.
Hence, if your file is tab delimited, you need to modify your call to:
ttbar - read.table(test2.dat, header = TRUE, sep = \t)
HTH,
Marc Schwartz
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On Wed, 2005-10-12 at 14:56 +0200, Roger Bivand wrote:
On Wed, 12 Oct 2005, Jan Conrad wrote:
Hi R,
I have a seemingly simple problem. I have a table in following format
(tab seperated)
Njets NBjets NElec NMuon Meff HTHT3j HEAplan
Plan
on the same
page, you would have seen that all three show the use of quotes around
the command and indeed two of the three use the 'ls' command
specifically.
Marc Schwartz
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are indicating that the delimiter is a TAB character, not a
comma.
HTH,
Marc Schwartz
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and provide
(maximum gain =,p))
See ?paste for concatenating multiple vectors into a single character
vector (string).
HTH,
Marc Schwartz
On Wed, 2006-07-26 at 07:29 -0400, Gabor Grothendieck wrote:
This was just discussed yesterday. See the thread:
https://www.stat.math.ethz.ch/pipermail/r-help/2006
in a negative interval. In the second case, it is
slightly greater than 0.1, which is OK.
HTH,
Marc Schwartz
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running on RHEL, however Oracle provides the ODBC driver for Linux that
can work with the unixODBC facilities.
Also, note that there is a R-sig-DB e-mail list:
https://stat.ethz.ch/mailman/listinfo/r-sig-db
HTH,
Marc Schwartz
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On Wed, 2006-07-26 at 21:38 -0500, Dirk Eddelbuettel wrote:
On 26 July 2006 at 20:56, Marc Schwartz wrote:
| On Wed, 2006-07-26 at 17:52 -0400, Armstrong, Whit wrote:
| Anyone out there using Linux RODBC and unixODBC to connect to a
| Microsoft SQL server?
[...]
| Do you have a Linux ODBC
source.
You did not indicate which Linux distribution you are using, but if you
are on an RPM based distribution, you need to install 'unixODBC-devel'.
It looks like Debian based distributions use 'unixodbc-devel' (Note lack
of capitalization).
HTH,
Marc Schwartz
)))
Can someone suggest a way to extract the variable names when they are
passed as a list via ... ?
Thanks,
Whit
Try this:
x - 1:10
y - 10:20
foo - function(...) {
sapply(match.call()[-1], deparse)
}
foo(x, y)
[1] x y
HTH,
Marc Schwartz
On Sat, 2006-08-19 at 13:30 +0100, Prof Brian Ripley wrote:
On Sat, 19 Aug 2006, Marc Schwartz wrote:
On Sat, 2006-08-19 at 07:58 -0400, Charles Annis, P.E. wrote:
Greetings, Amigos:
I have been trying without success to convert a character string,
repeated.measures.columns
an understanding of where the time is spent
in the processing by profiling and then consider how to introduce
efficiencies, which in some cases may very well require the use of
compiled C/FORTRAN as may be appropriate if times become too long.
HTH,
Marc Schwartz
wn k.A.
how can i change the order of the boxes
bye
thomas
See the following post from last week:
https://stat.ethz.ch/pipermail/r-help/2006-August/111289.html
HTH,
Marc Schwartz
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:
RSiteSearch(do.points, restrict = functions)
will search the online function documentation, bringing up a browser
window, where the first link gets you to ?plot.stepfun.
HTH,
Marc Schwartz
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] 0.5
[1] 0.6
for (i in seq(along = x)) {print (x[i])}
[1] 0.1
[1] 0.5
[1] 0.6
Which approach you take tends to depends upon what else you are doing
within the loop.
I would also take a look at ?sapply, depending up what is it you are
doing.
HTH,
Marc Schwartz
= box.lwd, lty = box.lty)
HTH,
Marc Schwartz
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and provide commented, minimal, self
,
Marc Schwartz
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
:5, col = black, density=c(1:5), add = TRUE)
Just be sure that any other arguments, such as axis limits, are
identical between the two calls.
HTH,
Marc Schwartz
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PLEASE
, along with other such measures, will eventually find its
way into the CrossTable() function in the gmodels CRAN package when time
permits (which seems to be in short supply of late...)
HTH,
Marc Schwartz
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, ?text and ?format (or ?formatC or ?sprintf).
HTH,
Marc Schwartz
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and provide commented
Emmanuel,
I wouldn't be surprised if Gabor comes up with something, but since
aggregate() can only return scalars, you can't do it in one step here.
There are possibilities using other functions such as split(), tapply()
or by(), but each has it own respective limitations requiring more than
one
-help/2006-August/111352.html
HTH,
Marc Schwartz
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and provide commented, minimal, self
, then just put it
in the body of your main .tex file and you don't have to worry about
multiple files or using \input, etc.
HTH,
Marc Schwartz
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PLEASE do read the posting
)
HTH,
Marc Schwartz
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and provide commented, minimal, self-contained, reproducible code.
= 23.9298, df = 11, p-value = 0.01303
BTW, a quick Google search shows that the pcochran() function is in the
'outliers' package on CRAN, which also has a cochran.test() function
HTH,
Marc Schwartz
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within the environment of the
data frame:
with(fish3.fis, hist(CPUE))
4. Use the [ function:
hist(fish3.fis[, CPUE])
5. Use the [[ function:
hist(fish3.fis[[CPUE]])
This is covered in An Introduction to R.
HTH,
Marc Schwartz
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[1] 10
HTH,
Marc Schwartz
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and provide commented, minimal, self-contained, reproducible
On Sun, 2006-09-24 at 14:14 -0500, Sundar Dorai-Raj wrote:
Marc Schwartz said the following on 9/24/2006 1:56 PM:
On Sun, 2006-09-24 at 11:31 -0700, Jonathan Greenberg wrote:
Another newbie question for you all:
In a function, say I have:
countme - function() {
for(i in 1:10
about this:
X - c(0, 0.1, 0.4, 0.45, 0.55)
Y - c(25, 22, 11, 21)
barplot(Y, space = 0, width = diff(X))
axis(1)
See ?barplot and ?diff
HTH,
Marc Schwartz
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PLEASE do read
Also section of ?text
HTH,
Marc Schwartz
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and provide commented, minimal, self-contained
3.5
2red 6.0
3 green 4.0
4 orange NA
HTH,
Marc Schwartz
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that process or alternatively, coerce 'x' to numeric:
x.num - as.numeric(x)
x.num
[1] 122.0 126.5 136.0 148.0 147.0 150.5 143.5
x.num / 1
[1] 122.0 126.5 136.0 148.0 147.0 150.5 143.5
HTH,
Marc Schwartz
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character \n will return the cursor to the next line, so that
the R prompt is not at the end of the last line output.
HTH,
Marc Schwartz
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Yulei,
It would appear that the default mechanism for the function (which
appears to be Windows specific) is to read in the data from the current
system clipboard as a _character vector_. Thus, perhaps something like:
x.num - as.numeric(readClipboard())
would be helpful.
With respect to
with:
$ uname -a
Linux horizons 2.6.17-1.2187_FC5 #1 Mon Sep 11 01:17:06 EDT 2006 i686
i686 i386 GNU/Linux
HTH,
Marc Schwartz
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,Insp9
paste() is vectorized and note the use of 'collapse' in lieu of 'sep':
paste(repeated.measures.FACTOR.names, collapse = ,)
[1] Insp1,Insp2,Insp3,Insp4,Insp5,Insp6,Insp7,Insp8,Insp9
HTH,
Marc Schwartz
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On Thu, 2006-10-12 at 12:07 -0500, Marc Schwartz wrote:
On Thu, 2006-10-12 at 12:43 -0400, Charles Annis, P.E. wrote:
I have a vector, (not a list)
repeated.measures.FACTOR.names
[1] Insp1 Insp2 Insp3 Insp4 Insp5 Insp6 Insp7 Insp8 Insp9
and would like to convert this into a single
like:
VADeaths
See ?barplot for more information.
There is also an R Graphics Gallery with code at:
http://addictedtor.free.fr/graphiques/index.php
and From Data to Graphics at:
http://zoonek2.free.fr/UNIX/48_R/03.html
Both of which are helpful.
HTH,
Marc Schwartz
transforming your data.
For example:
# Generate 100 random values from a log normal dist:
x - rlnorm(100)
# Now do a histogram on x
hist(x, freq = FALSE)
# Now use log(x)
hist(log(x), freq = FALSE)
Does that help?
Marc Schwartz
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functions. This avoids the confusion of
having multiple copies of the source data set and wondering why changes
made can become confusing and problematic.
HTH,
Marc Schwartz
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, yy, pch = 21, bg = col, cex = 3)
The unfilled circles in this case are actually solid white or black.
So instead of altering the point character (pch), we alter the colors.
HTH,
Marc Schwartz
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(..., col = cols, ...)
See ?ifelse
HTH,
Marc Schwartz
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and provide commented, minimal
, as plot.factor() will be used.
You should be using:
d - read.table(c:/test/sp.txt, header = TRUE)
Use:
str(d)
to review the current structure of your data frame. That should give you
some hints.
HTH,
Marc Schwartz
On Mon, 2006-10-16 at 10:54 -0500, tom soyer wrote:
Hi David and Duncan,
Thanks
,
labels = labels, xpd = TRUE)
# plot x axis label at line 6 (of 7)
mtext(1, text = X Axis Label, line = 6)
You can adjust the value of the '0.25' offset as required to move the x
axis labels up or down relative to the x axis.
HTH,
Marc Schwartz
of the four columns in your list
matrices.
You can then adjust the additional arguments to boxplot() as you
require.
See ?sapply for more information on accessing list member elements and
returning a vector or matrix.
HTH,
Marc Schwartz
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On Sun, 2004-09-12 at 11:42, Prof Brian Ripley wrote:
On Sun, 12 Sep 2004, Marc Schwartz wrote:
On Sun, 2004-09-12 at 10:10, Laura Quinn wrote:
I have a list containing 48 objects (each with 30 rows and 4 columns, all
numeric), and wish to produce 4 boxplot series (with 48 plots in each
)
The backtrace from gdb follows. It would probably make sense to move
this thread to r-devel. As you can see, it got through 10,546 runs
before segfaulting.
cc: to Doug.
HTH,
Marc Schwartz
dump-sapply( 1:5, function(i) {
+ fm - lme(langPOST ~ IQ.ver.cen + avg.IQ.ver.cen, data = bdf
2003), in the first example, with a standard linear
regression model.
HTH,
Marc Schwartz
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On Fri, 2004-09-24 at 15:02, Liaw, Andy wrote:
Sorry for the cross-post. Not sure where the problem is...
A while back I posted an R function to R-help:
cd - function (dir = tclvalue(tkchooseDirectory()), saveOld = FALSE,
loadNew = TRUE) {
stopifnot(require(tcltk))
if
that other string/character rotation (via argument srt to par) does
not affect the axis labels
Henric
See the new R FAQ:
7.27 How can I create rotated axis labels?
HTH,
Marc Schwartz
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with 64 bit R. Though again, I suspect other 64 bit users would
have commented on this already...
HTH,
Marc Schwartz
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the group names
mtext(side = 1, text = S$n, at = 1:length(S$names), line = 2)
HTH,
Marc Schwartz
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] 0.00 85.00 -4.379829 3.844485
You can do further adjustments to the x axis range as you require in the
call to plot.window().
HTH,
Marc Schwartz
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)
HTH,
Marc Schwartz
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On Fri, 2004-10-01 at 08:15, Marc Schwartz wrote:
On Fri, 2004-10-01 at 07:44, Luis Rideau Cruz wrote:
R-help
Is there any way to specify the color of grid lines in a simple plot?
par(color.tick.marks=c(grey))
plot(rnorm(10),tck=1)
Thank you
Oknow that I have finished
On Fri, 2004-10-01 at 09:31, [EMAIL PROTECTED] wrote:
I usually use something like
abline(h=seq(...),col=green)
abline(v=seq(...),col=green)
This allows you to have irregularly spaced grid lines if you want. (Say
for futures expiration dates in my case.)
Also, as Marc pointed out, you
On Fri, 2004-10-01 at 10:58, Peter Dalgaard wrote:
Michael Friendly [EMAIL PROTECTED] writes:
! Package graphics Error: Division by 0.
What am I doing wrong, or how could I do it differently so it would work?
You might try \usepackage{graphicx} instead. I seem to recall
(vaguely)
On Fri, 2004-10-01 at 12:54, Peter Dalgaard wrote:
Barry Rowlingson [EMAIL PROTECTED] writes:
Marc Schwartz wrote:
The one advantage of the Beamer package, for those that require it, is
that it supports pdflatex, which the others do not. Though, it can be
used with dvips/latex
{verbatim}
In the verbatim environment, all characters are treated literally,
rather than interpreted by any special meaning.
Outside of that, say in a regular LaTeX document, you can escape the
%:
\%
HTH,
Marc Schwartz
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