Displaying 20 results from an estimated 25 matches for "mmiller3".
2003 Jan 15
2
[lattice] lines for stripplot (like dotplot) or jitter for dotplot?
...have a jitter option and I'm not having any
success with getting panel.grid(h=-1) with stripplot. Can anyone
show me how to make dotplot-like lines on a stripplot? Or how to
jitter the vertical plotting position on a dotplot?
Thanks, Mike
--
Michael A. Miller mmiller3 at iupui.edu
Imaging Sciences, Department of Radiology, IU School of Medicine
2001 Dec 03
6
appending similar data frames?
Dear R gang,
Can anyone help me sort out how to append one data frame to
another while adding a factor to distinguish which was the
original frame?
For example, I have two frames, x and y
> x
exp size
1 a 10
2 b 9
3 c 10
4 d 12
5 e 11
> y
exp size
1 a 13
2 b 15
3 c 12
4 d 20
5 e 15
and I'd like to create a new frame that looks like
2002 Aug 13
1
tcltk - text widget with a scrollbar?
Can anyone show me how to connect a scrollbar to a text widget
using the tcltk library? I'm confused about how to make sure the
two widgets know about each other and how to set up the
appropriate call-backs for scrolling.
Mike
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2004 May 20
1
R 1.8.1 - 1.9.0 incompatability: Underscore in syntactically valid names
...maintain compatibility between R
versions? I suppose I could write a wrapper around make.names to
replace _ with ., but I'm not sure what that might break in 1.9.0
that now expects the new behavior. I'd appreciate any
suggestions.
Mike
--
Michael A. Miller mmiller3 at iupui.edu
Imaging Sciences, Department of Radiology, IU School of Medicine
2003 Mar 06
2
question about model formula
...m not sure how to write a formula in R that I can pass to
nls that will handle both the implicit loop over the data values
of t and the interpolation and numeric integration over t'.
Can anyone help me to get this properly coded for R?
Mike
--
Michael A. Miller mmiller3 at iupui.edu
Imaging Sciences, Department of Radiology, IU School of Medicine
2002 May 28
2
histogramming dates
...Can anyone suggest a way to do this? Or another method for
plotting this sort of month by month frequency plot? For a
single year I could histogram the month, but I'd like to be able
to span any date range, including multiple years.
Mike
--
Michael A. Miller mmiller3 at iupui.edu
Imaging Sciences, Department of Radiology, IU School of Medicine
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2001 Jul 30
2
functions, `...' and .Rprofile
...[1] "linux-gnu"
$system
[1] "i386, linux-gnu"
$status
[1] ""
$major
[1] "1"
$minor
[1] "3.0"
$year
[1] "2001"
$month
[1] "06"
$day
[1] "22"
$language
[1] "R"
--
Michael A. Miller mmiller3 at iupui.edu
Krannert Institute of Cardiology, IU School of Medicine
Indiana Center for Vascular Biology and Medicine
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2002 Jun 27
1
lattice and dates (correcting e-mail formatting glitch - sorry!!)
...cannot
be coerced to vector type 14 In addition: Warning
message: Both x and y should be numeric in: xyplot(
value ~ timestamp | subject ) I was sure I saw
something like this on r-help recently, but I can't
seem to track it down now. Can anyone help me out?
Thanks, Mike - -- Michael A. Miller mmiller3 at iupui.edu
Imaging Sciences, Department of Radiology, IU School
of Medicine -
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2007 Dec 20
1
creating a factor from dates by subject?
...you R gurus think of this? Is there a better more R-ish
way to do this with without creating the session variable in the
data frame and then looping? I find myself doing this sort of
thing all the time and it feels crufty to me.
Thanks, Mike
--
Michael A. Miller mmiller3 at iupui.edu
Imaging Sciences, Department of Radiology, IU School of Medicine
"ID","date","session"
1,05/24/2006,1
1,02/01/2007,2
1,05/23/2007,3
1,07/06/2007,4
2,07/28/2006,1
2,09/24/2006,2
2,01/18/2007,3
3,07/24/2006,1
3,01/17/2007,2
3,03/22/2007,3
4,05/08/2006,1...
2002 Jul 24
4
cumsum and subsets of a data frame?
...0 220
18 right 9 19 239
I know how to calculate the pieces with, for example,
> cumsum(tmp$y[tmp$f=='right'])
but I don't know how to get this piecewise into the data frame or
how to automate it. Any suggestions?
Thanks, Mike
--
Michael A. Miller mmiller3 at iupui.edu
Imaging Sciences, Department of Radiology, IU School of Medicine
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2002 Jun 27
0
lattice and dates
...ype 14 In addition: Warning message: Both x and y should be numeric in: xyplot( value ~ timestamp | subject )I was sure I saw something like this on r-help recently, but Ican't seem to track it down now. Can anyone help me out?Thanks, Mike- -- Michael A. Miller mmiller3 at iupui.edu Imaging Sciences, Department of Radiology, IU School of Medicine-
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2003 Dec 31
2
Plot grouped data: How to change x-axis? (nlme)
Hallo!
GENERAL QUESTION:
I'm trying to change the tick marks of the x-axis in a
grouped data plot (nlme).
CONCRETE EXAMPLE:
In the example (see below) I want the x-axis to have
tick marks at 0, 6, 12, 18, 24. How can I do this?
WHAT I TRIED
I tried "normal" methods like axis(...) but this does
not work with this plot. And I also tried xlim=c(0,24)
but the ticks are unchanged and
2001 Jul 12
1
Should gv be able to read bitmap(... type= "pdfwrite") ?
Hi there folks
I have R 1.3.0 running on Red Hat Linux 7.1 with GhostView 3.5.8. When
I produce a file like:
> bitmap("foo.pdf", type="pdfwrite")
> plot(foo)
> dev.off()
and then try to read it with gv, I get an unrecoverable error and
nothing displayed.
Any help as to whether this ***should*** work would be appreciated.
cheers,
John
--
John Williams
2003 Mar 20
1
Plot multi series on one plot
R help,
How can I plot the below data table by Data ~ Site and group by Grinder and Equip Id
so I get a chart like this Excel version? I have tried coplot with little success and lattice
makes a pretty good chart like I want, but I am using the DCOM so it does not display
correctly. I would like to make this using the base library if possible.
<<...OLE_Obj...>>
DATA TABLE
2002 Dec 06
3
smooth curves
I would like to draw smooth curves instead of polygons.
I could not find any spline function to do that : given an x and a y vectors, they all take the x in increasing order.
Is there a function to draw a smooth curve through a set of points in any order ?
with many thanks in advance
Alain Guerreau CNRS Paris
[[alternate HTML version deleted]]
2001 Aug 07
1
question about combining data in two frames
...or me to use tapply (or some other R
idiom) to do the same thing as this for-loop, but I haven't been
able to hit upon it. Can anyone offer suggestions?
Also, are there other ways to get my sums than the way I'm using
tapply above?
Thanks, Mike
--
Michael A. Miller mmiller3 at iupui.edu
Krannert Institute of Cardiology, IU School of Medicine
Indiana Center for Vascular Biology and Medicine
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2007 Aug 23
4
FAQ 7.x when 7 does not exist. Useability question
The FAQ Section 7 is a very useful place for new users
to find out any number of R idiosycracies. However
there is no numbering on the FAQ Table of Content or
on the Sections Tables of Contents.
An R-help list reply of "Read FAQ 7.10" in response to
a question about converting a factor to numeric is a
bit cryptic. The only time 7.10 appears is after the
searcher has found the entry.
2004 May 24
3
error in make.names docs (PR#6912)
Full_Name: Mike Miller
Version: 1.9.0
OS: win2000
Submission from: (NULL) (134.68.121.109)
The docs for make.names imply that the result of
make.names(c("a and b", "a_and_b"), unique=TRUE)
should be
"a.and.b" "a.and.b.1"
when it is actually
"a.and.b" "a_and_b"
The docs do not reflect this very major change in
2002 Sep 10
3
capturing the result of print in a variable?
I'd like to capture the results of a print() command so that I
can put the results in a tktext widget. I know I can redirect
the output to a file with sink. I'm looking for something like
that, but where I can redirect the output into a variable. Is
there a way to do that?
Mike
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2001 Jul 28
2
lattice and histogram
Hello again folks,
Thanks to all for the advice on getting hold of "grid"
and "lattice". I think I'm getting the hang of it.
This produces very satisfying arrays of histograms.
The typical command I am using is
histogram( ~ DATA.df$X | DATA.df$F, \
type=c("count"), layout=c(5,5) )
Now I'd like to ask a question slightly more subtle
than