to start would be Prof. Venables' Exegeses on Linear
Models:
www.stats.ox.ac.uk/pub/MASS3/Exegeses.pdf
Searching the r-help archives will also yield many discussions.
Also, see R FAQ 7.18.
HTH,
Marc Schwartz
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for Windows but
could not find it.
Thank you in adavance
The splines package is part of the standard R installation. So you just
need:
library(splines)
?interpSpline
HTH,
Marc Schwartz
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,
Marc Schwartz
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and provide commented, minimal, self-contained, reproducible code.
/DataAnalysisDisc
HTH,
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and provide commented, minimal, self-contained
TRUE TRUE TRUE
To get the indices of b's elements in 'a', you can do:
which(a %in% b)
[1] 2 3 4 5 7 8 9
If you want to know whether or not ALL of the elements of 'b' are in
'a', you add the use of all() to the first example:
all(b %in% a)
[1] TRUE
See ?%in% and ?all
HTH,
Marc Schwartz
On Sat, 2007-10-13 at 22:16 -0500, David Kaplan wrote:
Yea, sorry, that was a typo when I copied into my emal.
Here it is again
matplot(battingagg$X, battingagg[, c(HR,RBI,X2B, BB,
R, SB)], type=b,lty=4,lwd=2, col=1:4,xlab = Year,
ylab = (1)HRs, (2)RBIs, (3)DOUBLES,(4)BB,(5)Runs,(6) BB,
of the plot are not flushed from the cache to the disk file
and you are left with an incomplete plot in the file.
HTH,
Marc Schwartz
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this:
HolyGrail
[1] Graham Chapman John CleeseTerry Gilliam Eric Idle
[5] Terry JonesMichael Palin
gsub(^(.{3}).+ (.{3}).+, \\1 \\2, HolyGrail)
[1] Gra Cha Joh Cle Ter Gil Eri Idl Ter Jon Mic Pal
See ?gsub and ?regex
HTH,
Marc Schwartz
A reading from the Book of Armaments
On Tue, 2007-10-16 at 07:49 -0700, Thomas Lumley wrote:
On Mon, 15 Oct 2007, Gabor Grothendieck wrote:
Here is an alternative:
sub(.*(..)$, \\1, x)
For sufficiently small values of 3 ;)
all.equal(2., 3)
[1] TRUE
;-)
Marc
__
, save the file in the older .xls format, which will enable
you to use the CRAN packages with functions that support it.
It is possible that Prof. Ripley's RODBC package might work, but I don't
recall any posts confirming that.
HTH,
Marc Schwartz
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of tosses, but not actually observe it.
HTH,
Marc Schwartz
On Tue, 2007-10-16 at 09:05 -0700, azzza wrote:
You are right, I was a bit too vague. I am trying to simulate 1000 coin
Tosses. Then to write a code for the number of heads/Tails.naturally, we
would expect the proportion of heads
On Tue, 2007-10-16 at 11:53 -0700, azzza wrote:
ok, so suppose a coin is tossed 1000 times. Each time head occurs, we win a
dollar, otherwise we lose a dollar. Let S(n) be our accumulated winnings
after n tosses. For instance, if the sequence HHHTT occurs in the first five
tosses, then
On Wed, 2007-10-17 at 20:53 +0200, kees wrote:
For me, it works. That is to say, not the simple way, which gave the error:
odbcConnectExcel(C:\\Users\\Kees\\Desktop\\Map1.xlsx)
But it does when you ask the correct driver
odbcDriverConnect(DRIVER=Microsoft Excel Driver (*.xls, *.xlsx, *.xlsm,
'.
So, for your data above:
Membersind06$actual06 - as.numeric(gsub([^0-9\\.], ,
Membersind06$actual06))
See ?gsub and ?regex
HTH,
Marc Schwartz
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here.
HTH,
Marc Schwartz
On Fri, 2007-10-19 at 10:49 -0700, Bert Gunter wrote:
John:
I agree: the Docs are not clear on this. VR's MASS (p.84 in the 4th
edition) gives an explanation:
Positions in the plot region may also be specified in absolute **user
coordinates**. Initially user
data type of integer, which is why you get
the behavior you observe:
typeof(factor(A))
[1] integer
However:
is.integer(factor(A))
[1] FALSE
HTH,
Marc Schwartz
On Fri, 2007-10-19 at 15:30 +0200, Neuer Arkadasch wrote:
Maybe I had to write that the original data what I read are
name
),
xpd = FALSE)
See ?par
That being said, this is a bad idea in general, as you impact the
ability to visually discern the relative difference (or lack of it) in
the bars. You would be better off using a dotplot.
HTH,
Marc Schwartz
__
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(A)), each = 2), ]
[,1][,2]
[1,] Kevin 1
[1,] Kevin 1
[2,] Alf 2
[2,] Alf 2
Use row indexing consisting of duplicate index values created by:
rep(seq(nrow(A)), each = 2)
[1] 1 1 2 2
See ?rep and ?seq
HTH,
Marc Schwartz
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of the read.table() family of
functions, see the 'as.is', 'colClasses' and 'stringsAsFactors'
arguments, which can be set so that character columns are not converted
to factors.
HTH,
Marc Schwartz
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-dimensions_003f
HTH,
Marc Schwartz
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and provide commented, minimal, self-contained, reproducible
that this returns a factor. If you want an actual integer value,
you would have to coerce the result.
See ?cut for more information.
HTH,
Marc Schwartz
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PLEASE do read
create a graphic file (eg. PDF, PS, JPG/PNG) which would not
be displayed on the screen. If one of those formats would meet your
ultimate goal, then see ?Devices for more information.
HTH,
Marc Schwartz
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then have the basis for a 'gap'
analysis and can move forward from there.
HTH,
Marc Schwartz
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
current UserID schema prefix is 'implied'.
However, if you want to access other objects within schema created by
other users, you need to explicitly use the schema prefix. You of course
also need appropriate access privileges for other schema that you have
not created.
HTH,
Marc Schwartz
data
1 1 1.5
2 2 4.3
3 3 5.6
4 4 6.7
5 5 NA
6 6 7.1
7 7 12.5
8 8 14.5
9 9 16.8
1010 3.4
See ?merge for more information.
HTH,
Marc Schwartz
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a typo above and that it should be:
xx = [2,1,1,1]
?
If so:
unlist(lapply(apply(prova, 2, rle),
function(x) length(x$lengths[x$values == 1])))
[1] 2 1 1 1
See ?rle to get the basics of identifying runs of values.
HTH,
Marc Schwartz
A. Stenberg, Umea University, Sweden
See ?summary.aov which is referenced in the See Also section of ?aov
and is used in the examples therein.
HTH,
Marc Schwartz
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PLEASE do
Thanks Gabor. Nice solution.
Marc
On Thu, 2007-11-15 at 12:35 -0500, Gabor Grothendieck wrote:
We can append a row of 0's to handle that case:
with(rle(as.vector(rbind(prova, 0))), table(lengths[values == 1]))
On Nov 15, 2007 11:36 AM, Marc Schwartz [EMAIL PROTECTED] wrote:
Ah...OK
Jim,
The one issue with those is that they remove duplicate elements in each
vector before applying their logic. Thus, would not likely work here:
x - c(3,3,4,4,4,4,5,5,6,8)
z - c(3,4,4,5,5)
In effect, you end up with:
unique(x)
[1] 3 4 5 6 8
unique(z)
[1] 3 4 5
Thus:
setdiff(x, z)
[1]
,]45
[6,] 147
[7,] 15 12
[8,]9 17
[9,] 19 18
[10,]1 13
t(t(A) * v)
[,1] [,2]
[1,] 306
[2,] 404
[3,] 55 40
[4,] 80 20
[5,] 20 10
[6,] 70 14
[7,] 75 24
[8,] 45 34
[9,] 95 36
[10,]5 26
HTH,
Marc
On Thu, 2007-11-15 at 17:53 +0100, A M Lavezzi wrote:
thank you.
I did not think about the case of overlapping of
1's from the end of one column to the start of the next,
this would actually be a problem
In the simulations I am running each column
corresponds to the path followed by an
]
I presume a typo above and that it should be:
xx = [2,1,1,1]
?
If so:
unlist(lapply(apply(prova, 2, rle),
function(x) length(x$lengths[x$values == 1])))
[1] 2 1 1 1
See ?rle to get the basics of identifying runs of values.
HTH,
Marc Schwartz
and that these decisions are supported.
Regards,
Marc Schwartz
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and provide commented, minimal, self-contained
. With Gmail, you
can just use the web interface, or use POP/IMAP clients to get the
e-mail on your desktop (or even on your smartphone ;-)
HTH,
Marc Schwartz
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PLEASE do read
/mailman/listinfo/ess-help
HTH,
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
. Use an alternative type of plot, such as a histogram or density plot
to present the shape of the distribution.
Some examples here:
http://addictedtor.free.fr/graphiques/RGraphGallery.php?graph=102
HTH,
Marc Schwartz
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() functions in Frank Harrell's Hmisc package
on CRAN.
HTH,
Marc Schwartz
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented
to cat.
Thus:
var - factor(a, levels = c(a, b, c))
var
[1] a
Levels: a b c
is.vector(var)
[1] FALSE
So 'var' is not an atomic vector and you must therefore coerce it to a
character vector using as.character() before passing it to cat():
cat(VAR: , as.character(var), \n)
VAR: a
HTH,
Marc
platform.
Regards,
Marc Schwartz
[EMAIL PROTECTED] wrote:
Thank you Gabor,
but with 1. or 2. I don´t get
a table, which can be changed and formatted using the WORD table functions
(like changing column width and formatting text in rows).
The result of 1. ist an bitmap and
the result of 2
-2 -1 0 1 2 3 4 5 6
5 14 27 44 65 90 115 100 81 58 31
If you want to sum the diagonals the other way replace the '-' in the
second argument in split() with a '+'.
See ?split, ?sapply, ?row and ?col for more information.
HTH,
Marc Schwartz
If the goal is to get a sense of the 'shape' of the overall distribution
of 'x', then why not use:
plot(density(x))
?
HTH,
Marc Schwartz
Peter Alspach wrote:
Andre
If I understand you correctly, you could try a barplot() on the result
of table().
HTH ..
Peter Alspach
in FF version 2 and 3 beta on F8.
HTH,
Marc Schwartz
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' is unspecified.
HTH,
Marc Schwartz
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
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/RGM2/R_current/library/gplots/man/plotmeans.html
3. errbar() in the Hmisc package:
http://cged.genes.nig.ac.jp/RGM2/R_current/library/Hmisc/man/errbar.html
4. arrows() and/or segments() in the default R installation, which can
be used like errbar() to add CI's to points.
HTH,
Marc Schwartz
for other applications on RH/FC/F Linux.
If you use:
yum list R-*
you will see the other R related RPMS that are available via the Fedora
repos.
HTH,
Marc Schwartz
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in the Excel spreadsheet. The
worksheet name will be the name of the data frame it contains or can
be specified by the user.
Author(s): Marc Schwartz marc_schwa...@me.com
Maintainer: Marc Schwartz marc_schwa...@me.com
License: GPL (=2)
Changes since version 1.8.0:
The data frames
the
list:
http://www.r-project.org/posting-guide.html
HTH,
Marc Schwartz
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and provide
line, at a given vertical or horizontal
position, or if given a linear model object, the fitted line.
HTH,
Marc Schwartz
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PLEASE do read the posting guide http://www.R
On Jun 25, 2009, at 1:51 PM, Ted Harding wrote:
On 25-Jun-09 18:38:37, Marc Schwartz wrote:
On Jun 25, 2009, at 1:30 PM, Lesandro wrote:
Hello all,
How to draw a line in plot when I know the start point(x1,y1)
and end point(x2,y2)? I need make this as additional information
in the graph
On Jun 25, 2009, at 4:47 PM, Frank E Harrell Jr wrote:
Dear Colleagues:
I have used
\SweaveOpts{prefix.string=plot, eps = FALSE, pdf = TRUE}
\SweaveOpts{width=5, height=4}
fig=T=
plot(...)
@
But the figure still has a width of 80% of the text width, the
default set up by Sweave, which
script, you can look at the R and Perl code in
the WriteXLS package on CRAN.
HTH,
Marc Schwartz
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/epel/4/i386/repoview/R-
core.html
There is usually a bit of a delay in the Fedora/EPEL repos releasing a
new version of R, but I would expect to see something soon.
HTH,
Marc Schwartz
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the case with
R, there is more than one way to get the same result.
HTH,
Marc Schwartz
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On Jun 30, 2009, at 10:44 AM, Ted Harding wrote:
On 30-Jun-09 14:52:20, Marc Schwartz wrote:
On Jun 30, 2009, at 4:54 AM, Renzi Fabrizio wrote:
I would like to know how R computes the probability of an event
in a logistic model (P(y=1)) from the score s, linear combination
of x and beta.
I
On Jun 30, 2009, at 12:54 PM, Ted Harding wrote:
On 30-Jun-09 17:41:20, Marc Schwartz wrote:
On Jun 30, 2009, at 10:44 AM, Ted Harding wrote:
On 30-Jun-09 14:52:20, Marc Schwartz wrote:
On Jun 30, 2009, at 4:54 AM, Renzi Fabrizio wrote:
I would like to know how R computes
Snippage
On Jun 30, 2009, at 2:12 PM, Marc Schwartz wrote:
Wellbarring a correction from someone with more low level
insight, I would tend to suspect that the difference in our findings
may be attributed to some interaction of hardware, OS, compiler and
BLAS, perhaps weighted more
to 0, using colSums() on the above
intermediate step, gives you a column by column count of the NA values
in each.
as.numeric(TRUE)
[1] 1
as.numeric(FALSE)
[1] 0
See ?colSums for more information and the sister function rowSums().
HTH,
Marc Schwartz
Try this:
subset(data_frame, name %in% c(sue, jane), select = c(name,
age, birthdate))
or if your vector of names is:
Names - c(mary, bob, danny, sue, jane)
subset(data_frame, name %in% Names, select = c(name, age, birthdate))
See ?%in% for more information.
HTH,
Marc Schwartz
that match between the two matrices. Note that
I transpose mat1 so that the structure matches that of mat2.
Then just use nrow() to get a count:
nrow(merge(t(mat1), mat2))
[1] 2
See ?merge for more information.
HTH,
Marc Schwartz
__
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/pipermail/r-help/2003-February/030400.html
and it has been updated to some extent in the package since then.
HTH,
Marc Schwartz
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On Jul 6, 2009, at 8:39 PM, Duncan Murdoch wrote:
On 06/07/2009 4:16 PM, Peter Dalgaard wrote:
Scott Zentz wrote:
Hello Everyone,
We have recently purchased a server which has 64GB of memory
running a 64bit OS and I have compiled R from source with the
following config
./configure
(x))
Grpsx
11 5.00
33 3.00
55 3.75
HTH,
Marc Schwartz
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and provide commented
, there are enough problems with it
(including data integrity issues), that I would not use it in
production work.
Unfortunately, I don't believe that you have a lot of options on Linux
at the moment.
HTH,
Marc Schwartz
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it to you to see whether this approach may or may not be
helpful from a time perspective.
HTH,
Marc Schwartz
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to
my past self, but I have not received it yet).
A definite Fortunes candidate.
Marc Schwartz
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
-matching ID's (Var1).
See ?table, ?as.data.frame and ?merge for more information.
HTH,
Marc Schwartz
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PLEASE do read the posting guide http://www.R-project.org/posting
that are in A, but not in B, using
'all.x = TRUE'.
Note also that by default, 'unique.id' will be alpha sorted in the
output.
HTH,
Marc Schwartz
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that you are seeing when using RODBC with
Oracle. I believe that it was Prof. Ripley who suggested that I use
the above approach and did not have any problems after that.
HTH,
Marc Schwartz
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' argument. A lot of folks, even experienced
useRs, don't realize that you can do that... :-)
HTH,
Marc Schwartz
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PLEASE do read the posting guide http://www.R-project.org
of the FAQ.
HTH,
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.
(fit)
See ?abline for more information there.
BTW, much of this is covered in An Introduction to R, which is
included in your R installation and on the main R web site under
Manuals link.
HTH,
Marc Schwartz
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where the two function calls
behave differently, please post back with it.
HTH,
Marc Schwartz
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returned within the model object.
You can review the structure of the returned model object by using:
str(fit)
HTH,
Marc Schwartz
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PLEASE do read the posting guide
[73] A73 A74 A75 A76 A77 A78 A79 A80 A81
[82] A82 A83 A84 A85 A86 A87 A88 A89 A90
[91] A91 A92 A93 A94 A95 A96 A97 A98 A99
[100] A100 A101 A102 A103 A104 A105 A106 A107 A108
[109] A109 A110 A111 A112 A113
HTH,
Marc Schwartz
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R
().
HTH,
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.
.
You may wish to review the relevant section in the R Admin Manual:
http://cran.r-project.org/doc/manuals/R-admin.html#Internationalization
HTH,
Marc Schwartz
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PLEASE do
is generally
smart enough to know the difference, but it is better to avoid getting
into trouble by not using it.
HTH,
Marc Schwartz
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PLEASE do read the posting guide http
(rather than electronic) medium.
I would also add a pointer to Bob Muenchen's book R for SAS and SPSS
Users:
http://rforsasandspssusers.com/
HTH,
Marc Schwartz
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on your actual
data.
HTH,
Marc Schwartz
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and provide commented, minimal, self-contained
5
HTH,
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.
= )
CMD - paste(apt-get, CMD)
and then use:
system(CMD)
after using 'sudo R' to get into R.
However, I would recommend that you consider posting a query to the r-
sig-debian list just to verify all of the above. More info at:
https://stat.ethz.ch/mailman/listinfo/r-sig-debian
HTH,
Marc
.
- Jan
On Tue, 14 Jul 2009 11:49:49 -0400, Marc Schwartz marc_schwa...@me.com
wrote:
On Jul 14, 2009, at 9:43 AM, Jan Theodore Galkowski wrote:
Is it possible to export a list of installed packages from WinXP,
and
use that export to import the same set of packages on Ubuntu
(Jaunty
and ?matlines
HTH,
Marc Schwartz
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Intro to OSX book,
of which there are many. Check your local bookstore or Amazon. Pogue's
books have generally worked well for folks:
http://www.amazon.com/Mac-OS-Leopard-Missing-Manual/dp/059652952X
http://www.amazon.com/Switching-Mac-Missing-Manual-Leopard/dp/0596514123/
HTH,
Marc
://www.macfixit.com/staticpages/index.php?page=2003111009264885
HTH,
Marc Schwartz
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and provide
On Jul 16, 2009, at 8:15 AM, Michael Knudsen wrote:
On Thu, Jul 16, 2009 at 3:04 PM, Marc Schwartzmarc_schwa...@me.com
wrote:
Actually, by default, the OSX HFS+ file system is not case sensitive:
Sorry. I just took that for granted, as Mac (at least in a terminal)
is very similar to
own characteristics
relative to budgets, politics, people and so forth. The points that I
raise above may be typical but only some may apply to your situation
and there may be others that I have not raised.
HTH,
Marc Schwartz
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(base
10), not natural logs (base e).
Since the y axis is already log10 transformed internally, you don't
need to set the maximum value of the y axis to log10(max(foundOr$s_)).
Just use max(foundOr$s_)...
HTH,
Marc Schwartz
__
R-help@r
output. See ?options and note
'show.signif.stars', which a lot of folks, myself included, set to
FALSE in .Rprofile.
HTH,
Marc Schwartz
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PLEASE do read the posting
model, even one with what
appears to be a reasonable formulation, without some consideration for
these issues and many others is not the way to go. The result will not
be worth the time you put into it and worst case, can be entirely
misleading in any conclusions inferred.
HTH,
Marc
-variable)...I wish to keep this as
general
as possible and not point to the original data.
Thanks in advance,
Mark
Mark,
par(usr)
after the plot has been created will give you the x,y corner extremes
of the plot region in user coordinates.
See ?par and scroll down to 'usr'.
HTH,
Marc
to a Date class, see ?as.Date.
HTH,
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
to most R
functions that take a formula argument.
HTH,
Marc Schwartz
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented
On Jul 23, 2009, at 8:59 AM, Greg Snow wrote:
Doing the computations in R then the graphs in Excel reminds me of
the maxim:
Measure with a micrometer
Mark with chalk
Cut with an ax
Definitely a fortunes candidate...
Marc Schwartz
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R-help@r
to force the result to be a list rather than a matrix. Of
course, in the case I have above, when there are uneven length
elements, the result will be a list anyway.
HTH,
Marc Schwartz
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))
HTH,
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.
10.0 12.0
See ?split, which is used by tapply(), which in turn is used in
aggregate().
HTH,
Marc Schwartz
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PLEASE do read the posting guide http://www.R-project.org
-manip:drop_unused_levels
HTH,
Marc Schwartz
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R-help@r-project.org mailing list
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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.
,
Marc Schwartz
__
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
Encoding
lengths: int [1:4] 1 2 3 4
values : num [1:4] 1 2 3 1
which is a list of two elements, that we coerce to a data frame using
do.call(), reversing the two columns to match your original order.
HTH,
Marc Schwartz
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