Hi All,
I have vector of length 52, say, x=sample(30,52,replace=T). I want to
sort x and split into five *nearly equal groups*. Note that the
observations are repeated in x so in case of a tie I want both the
observations to fall in same group.
This seems a very common task to do, but still I
lattice:::equal.count may be what you want.
2009/5/4 utkarshsinghal utkarsh.sing...@global-analytics.com:
Hi All,
I have vector of length 52, say, x=sample(30,52,replace=T). I want to
sort x and split into five *nearly equal groups*. Note that the
observations are repeated in x so in case of
check functions cut() and quantile(), and cut2() from package Hmisc;
maybe the following is close to what you want:
x - sample(30, 52, replace = TRUE)
k - 5 # how many groups
qs - quantile(x, seq(0, 1, length.out = k + 1))
y - cut(x, round(qs), include.lowest = TRUE)
y
table(y)
I hope it
G'day Utkarsh,
On Mon, 04 May 2009 11:51:21 +0530
utkarshsinghal utkarsh.sing...@global-analytics.com wrote:
I have vector of length 52, say, x=sample(30,52,replace=T). I want to
sort x and split into five *nearly equal groups*.
What do you mean by *nearly equal groups*? The size of the
Hi All,
I am a newcomer to R. Could anyone explain me how to define link functions
for either mu/sigma to allow for quadratic trends in the same, when fitting
non-stationary GEV distributions?
Thanks
--
View this message in context:
Dear R user,
I am trying to estimate a quantile regression using panel data. I
am trying to use the model that is described in Dr. Koenker's article. So I
use the code the that is posted in the following link:
http://www.econ.uiuc.edu/~roger/research/panel/rq.fit.panel.R
I use plm package
Hello,
Do you know a R implemented normality test like the shapiro test but more
suitable for large data set ?
Thanks,
_
Découvrez toutes les possibilités de communication avec vos proches
[[alternative HTML version
TH == Ted Harding ted.hard...@manchester.ac.uk
on Sun, 03 May 2009 10:11:04 +0100 (BST) writes:
TH On 02-May-09 17:34:15, bogdanno wrote:
It seems division with numbers bigger than 10 000 000
doesn't work 2000/21 [1] 952381
/23
[1] 2415459
Devo risolvere un problema di minimo vincolato con vincoli di uguaglianza e un
altro con vincoli di uguaglianza e disuguaglianza.
Cosa posso utilizzare?
[[alternative HTML version deleted]]
__
R-help@r-project.org mailing list
Hi all,
i am new here and this is my first posting. My coding experience in R ist
okay, but I have a problem which is related to another aspect of R.
I am searching for a surface which execute my commands in R via a click on a
button OUTSIDE of R. Concrete: I will write some programs in R and
Hi
For a school project I have a file with 120 columns and ~2000 lines. This
file contains timestamps of spike detected in 60 channels, and the time
elapsed between the last spike.
I need to clean too high values. About 98% of values are between 0 and 2000
and 2% are between 2000 and 20'000. I
Dear ALL,
I would appreciate if someone help me by letting me know the code of above
model in R.I would request you to please let me know how i could
make arimax model in auto.arima.
Regards
Ramanath
[[alternative HTML version deleted]]
__
How about:
x - F
if (x) {
print(true)
} else {
print(false)
}
Bart
mli-2 wrote:
Dear R users,
Suppose I have 2 R script files: 'test1.R' and 'test2.R' and one R file
'main.R' which sources each of them. I wonder if there is a way to skip
rest of code in 'test1.R' once a condition
What is wrong in the following nested if-else statements:
if (Condition_1) { # begin IF_1
statement_1
statement_2
statement_3
if (Condition_2) { # begin IF_2
a- a +1
} # end
Hi,
The CRAN Task View on Optimization may help:
http://stat.ethz.ch/CRAN/web/views/Optimization.html
HTH,
Stephan
barbara.r...@uniroma1.it schrieb:
Devo risolvere un problema di minimo vincolato con vincoli di uguaglianza e un
altro con vincoli di uguaglianza e disuguaglianza.
Cosa posso
Hi
r-help-boun...@r-project.org napsal dne 04.05.2009 09:53:19:
Hi
For a school project I have a file with 120 columns and ~2000 lines.
This
file contains timestamps of spike detected in 60 channels, and the time
elapsed between the last spike.
I need to clean too high values. About
You can use R CMD BATCH if I'm correctly.
How about define a query through your routine, process the results of this
query through R, write this output in a new table, or a textfile, and load
this with your subroutine.
Bart
Felipe Carrillo wrote:
Steve: I am already using it importing
Hi,
I am new in R.I am trying to analysis of variance for Randomized-complete
blocks design. I have 4 treatments and 3 replication,
Without intraction.then .I is going to use LSD test or Duncan test for
comparison between average values of treatments.
I want to know, is there any
On 03/05/2009 6:50 PM, Charles Annis, P.E. wrote:
I’ve been using this routine for several years. I’m sorry, I don’t remember
where I got it. It works as it should, viz. it blanks the R console. But
it requires package rcom and now that requires rscproxy.
cls -
function ()
{
On 04/05/2009 5:08 AM, mau...@alice.it wrote:
What is wrong in the following nested if-else statements:
if (Condition_1) { # begin IF_1
statement_1
statement_2
statement_3
if (Condition_2) { # begin IF_2
a- a +1
Hi everyone:
I need to count the number of banks of each firm in my
data. The firm is identified by the fiscal number. The
banks of each firm appears like this:
Firm Banks
500600700 Citybank
500600700 CGD
500600700 BES
500600800
On 04/05/2009 4:12 AM, koj wrote:
Hi all,
i am new here and this is my first posting. My coding experience in R ist
okay, but I have a problem which is related to another aspect of R.
I am searching for a surface which execute my commands in R via a click on a
button OUTSIDE of R. Concrete: I
Dear All,
I am using Caretpackage for SVM regression and elastic net
regression . I can get the final fiited vs observed values. How can I get
the coefficients? Any ideas?
Thanks
Alex
[[alternative HTML version deleted]]
__
Try this,
# d - read.table(pipe(pbpaste), head=T) # read your data
table(d)
# library(reshape)
cast(as.data.frame(table(d)), .~Firm, fun=sum)
HTH,
baptiste
On 4 May 2009, at 13:19, Cecilia Carmo wrote:
Hi everyone:
I need to count the number of banks of each firm in my
data. The firm
Hi there,
I have a question concerning the behaviour of the colouring with levelplot. (I
hope, I manage to explain)
If I give the parameters at and col.regions like this:
at - c(1,2,3,4,5,6)
col.regions - c(blue,blue,blue,yellow,yellow,yellow)
Which color would have the value 3.5?
I would
Hi
r-help-boun...@r-project.org napsal dne 04.05.2009 13:19:15:
Hi everyone:
I need to count the number of banks of each firm in my
data. The firm is identified by the fiscal number. The
banks of each firm appears like this:
Firm Banks
500600700 Citybank
Hi Cecilia,
You can use table for this:
#Generate a dataframe
dat.df - data.frame(Firm =
sample(c(500600700,500600800,500600800),6,replace=TRUE),Banks=sample(c(Citybank,CGD,DES,Bank1),6,replace=TRUE)
)
#Get the counts in a table format
with(dat.df, table(Firm,Banks))
Banks
On Mon, May 4, 2009 at 6:50 AM, Duncan Murdoch murd...@stats.uwo.ca wrote:
On 03/05/2009 6:50 PM, Charles Annis, P.E. wrote:
I’ve been using this routine for several years. I’m sorry, I don’t
remember
where I got it. It works as it should, viz. it blanks the R console. But
it requires
Try aggregate. First we read the data into DF and
then apply aggregate:
Lines - Firm Banks
+ 500600700 Citybank
+ 500600700 CGD
+ 500600700 BES
+ 500600800 Citybank
+ 500600800 Bank1
+ 500600900 CGD
# DF -
pages 43-54 of:
http://cran.r-project.org/doc/Rnews/Rnews_2006-4.pdf
... is an article by Uwe Ligges on accesssing source code.
On Apr 2, 2009, at 4:20 AM, Ramanath Roy wrote:
Dear ALL,
I would appreciate if someone help me by letting me know the code of
above model in R.I would request
Hello all,
I don' like to have ( ) around my datetime, when send the csv file to somebody.
How to remove it?
library(chron)
mydate - c(2009-05-03,2009-06-07)
mytime - c(10:30:00,10:20:00)
mydatetime - chron(dates=mydate,times=mytime,format=c(y-m-d,h:m:s))
write.csv(mydatetime)
,x
1,(09-05-03
@Dieter:
You implicitly expect round().
Your question implies that you may also susceptible to the problem of
R FAQ 7.31, Why doesn't R think these numbers are equal?
No, I guess, you misunderstood my question. These vectors (at and col.regions)
are given to levelplot together with some
want an analysis. The best case were a surface of e.g. 8 Buttons, each click
leads to start a specific R file. My outputs are JPEG or CSV, so I don`t
need the output inside of R. Could anyone can give me some recommendations,
what could be a solution (e. g. Java)? Is such a solution possible?
Try:
write.csv(format(mydatetime, enclosed = c(, )))
,x
1,09-05-03 10:30:00
2,09-06-07 10:20:00
On Mon, May 4, 2009 at 10:34 AM, Qianfeng Li qflic...@yahoo.com wrote:
Hello all,
I don' like to have ( ) around my datetime, when send the csv file to
somebody.
How to remove it?
On May 4, 2009, at 8:52 AM, excalibur wrote:
This question is still unanswered.
Unanswered questions are often those which do not comply with the
guidelines in the Posting Guide. Many people have gotten tired of
either making up examples or of writing Read the Posting Guide, so
they
Alex,
I am using Caretpackage for SVM regression and elastic net
regression . I can get the final fiited vs observed values. How can I get
the coefficients? Any ideas?
You didn't say what version of caret and R you are using, what kernel
or what type of coefficients.
If you tune a model
Dear R Users,
I am executing the following command to produce a line graph:
matplot(aggregate_1986[,1], aggregate_1986[,2:3], type=l, col=2:3)
On the x-axis I have values of Latitude (in column 1) ranging from -60 to +80
(left to right on the x-axis). However, I wish to have these values
Hello,
my dataset is already aggregated: I have two categorical variables, say
continent and country and one non-negative metric variable population.
Now I would like to produce a mosaic plot which uses population to
determine how large each area of the plot is.
In other words, I fail to find out
Dear fellow R-users,
I am about to publish an HTML utility package to CRAN that expands on the
R2HTML package and includes a few goodies such as sorted tables, easy
automation of framed HTML reporting, etc.
However, some of the resulting dynamic HTML pages need to access JavaScript
code that
Hi Yihui,
In trying to make FLEX and R talk, I have decided to approach it by
using the Rserver JRclient as the middle tier in a three tier
approach.
Tier 1: FLEX Visualisation
Tier 2: JRclient (http://rosuda.org/Rserve/example.shtml)
Tier 3: Rserver
I have yet to begin working on this front, but
2009/5/4 Uwe Ligges lig...@statistik.tu-dortmund.de:
Markus Loecher wrote:
Dear fellow R-users,
I am about to publish an HTML utility package to CRAN that expands on the
R2HTML package and includes a few goodies such as sorted tables, easy
automation of framed HTML reporting, etc.
Martial Sankar wrote:
Do you know a R implemented normality test like the shapiro test but more
suitable for large data set ?
Try installing the nortest package.
--
View this message in context:
Antje niederlein-rstat at yahoo.de writes:
I have a question concerning the behaviour of the colouring with levelplot.
If I give the parameters at and col.regions like this:
at - c(1,2,3,4,5,6)
col.regions - c(blue,blue,blue,yellow,yellow,yellow)
Which color would have the value 3.5?
Thom_249 wrote:
Hi
For a school project I have a file with 120 columns and ~2000 lines. This
file contains timestamps of spike detected in 60 channels, and the time
elapsed between the last spike.
I need to clean too high values. About 98% of values are between 0 and 2000
and 2% are between
Dear Steve,
I'm not sure I properly understood the question. Try
x- aggregate_1986 # just a shortcut
n- dim(x)[[1]]
matplot(x[n:1,1], x[n:1,2:3], type=l, col=2:3)
is that what you needed?
Patrizio
2009/5/4 Steve Murray smurray...@hotmail.com:
Dear R Users,
I am executing the following
On Mon, 4 May 2009, Karsten Weinert wrote:
Hello,
my dataset is already aggregated: I have two categorical variables, say
continent and country and one non-negative metric variable population.
Now I would like to produce a mosaic plot which uses population to
determine how large each area of
This question is still unanswered.
Someone can explain me how use the svm function to make density estimation ?
Thanks ...
excalibur wrote:
Hi,
i try to use function svm of package e1071 to estimate a density.
But if my data are X=(X1,...,Xn) and m-svm(X) some values of m$SV are
Hello,
I'm getting an error message when I use the ordered probit model
oprobit in the zelig function. Using the same form as in the help
file, we get an error message. It produces coefficients, but no
standard errors. See results below. Any hints?
Thanks!
o.probit -
Finally, I'm getting to a point in working with R where I would like to start
to add some smart and custom error handling.
Specifically, I would like to add custom error handling to my code for
source(...), read.table(...), and readLines(...)
For example, right now I have the following:
See: http://finzi.psych.upenn.edu/R/Rhelp08/archive/136160.html
But the issue really comes down to the fact that the questions: exactly
normal?, and normal enough? are 2 very different questions (with the
difference becoming greater with increased sample size) and while the first is
the easier
Is there a function, like coxph for the proportional hazard model, for
fitting a discrete-time proportional odds model?
--
View this message in context:
http://www.nabble.com/Cox-Proportional-Odds-Model-tp23373426p23373426.html
Sent from the R help mailing list archive at Nabble.com.
Dear All,
Where can one find the code of the max() function? Is that written in C?
Thanks in advance,
Paul
__
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide
Hi everyone,
Do you know how to apply a If command to a vector in a data.frame, creating
a new column?
Example: If one species has 1 value in the Abundance column then it is
Solitary. If the abundance is higher than 1, is School.
I did:
aggregationFunction -function(x){
(if (x1) a-
Dear R user
We would be interested to talk with someone, living in Milan (Italy)
area, with good experience in Java-R based applications development.
We can provide good R skills but we are poor java programmers
Can anyone help?
Thanks in advance for any help
--
Andrea Spano'
Quantide s.r.l.
Nearly. The algorithm turns up slightly different graphs each time (and
set.seed doesn't seem to make it consistent) and periodically chokes. But
better than what I had. Hrm. I don't know much about the algorithm
graphviz uses for dot. Do you have a reference on hand? If it's simple,
I'd be
You should be looking at the ifelse function. Ihe if and else
constructs are not appropriate for recoding because they do not return
vectors.
Much easier than all that folderol would be:
df$Aggregation - ifelse( df$Number1, School, Solitary)
On May 4, 2009, at 12:31 PM, barbara horta e
Hi Koj,
I just completed a Windows application using the batch approach and it
works very well. In our case, we used VBA for Excel to call different
batch files that execute R code, but you can do the same from any
platform. Here is a simple step-by-step example on how to make the
batch
Hi,
I figure out the reason for the difference. There are ties in failure times
in the data set. Consequently, it matters which method is used to handle
ties in coxph. The default is efron. If I use method=breslow, there
is no difference between the 2 different ways of computing the
Dear all,
I'm attempting to insert a legend into a line graph. I've sorted out the
positioning, but I'm unable to display the sample line and associated colour to
go within the legend box. Instead, under the variable names, the numbers 1, 2,
2, 3 are displayed in a column (with '2' repeated
Hi,
I'm confused about the use of ellipsis in function arguments. I'm trying
to write a wrapper for plot to automate the combination of plot() and
points() calls for a data.frame. Some arguments seem to get passed
through to the inner plot, while others cause an error:
Error in eval(expr,
On May 4, 2009, at 2:06 PM, Paul Smith wrote:
Dear All,
Where can one find the code of the max() function? Is that written
in C?
pages 43-54 of:
http://cran.r-project.org/doc/Rnews/Rnews_2006-4.pdf
... is an article by Uwe Ligges on accesssing source code.
David Winsemius, MD
Heritage
Dear current (and future) users of the frontier package,
We are approaching the first stable version (1.0) of the frontier package,
which provides tools for microeconomic Stochastic Frontier Analysis (SFA).
I have uploaded a kind of beta release (version 0.99) of this package to CRAN.
The most
Hi all,
I'm hoping to add texts into a plot. I'm using text() to do it. I wonder if
the text() allow me to make the text vertically printed?
Thanks in advance for help,
phoebe
[[alternative HTML version deleted]]
__
R-help@r-project.org
Jarrett,
At 11:31 AM -0700 5/4/09, jebyrnes wrote:
Nearly. The algorithm turns up slightly different graphs each time (and
set.seed doesn't seem to make it consistent) and periodically chokes. But
better than what I had. Hrm. I don't know much about the algorithm
graphviz uses for dot. Do
Also see Rscript.bat in the same batchfiles distribution. It
automatically finds Rscript.exe by looking in the registry
in the same way that Rcmd.bat finds Rcmd.exe.
On Mon, May 4, 2009 at 2:43 PM, Francisco J. Zagmutt
gerifalt...@hotmail.com wrote:
Hi Koj,
I just completed a Windows
Steve Murray smurray...@hotmail.com wrote
I'm attempting to insert a legend into a line graph. I've sorted out the
positioning, but I'm unable to display the sample line and associated colour
to go within the legend box. Instead, under the variable names, the numbers 1,
2, 2, 3 are displayed
This works for me:
plot(1:10, 1:10)
legend(topleft, c(Simulation, Observation), lty=1:2, col=2:3)
Try that; if it does work, then we need more information about
exactly what you're doing, because there's a problem not contained
in just that single line of code (which has a problem of its own!).
Dear Steve,
Try this:
x-rnorm(100)
y-rnorm(100) + 2*x
plot(x,y)
legend('topleft', c(Simulation, Observation), lty=1:2, col=2:3)
abline(x,y,col=3,lty=2)
(you forgot a ) in your code :( )
HTH,
Jorge
On Mon, May 4, 2009 at 2:46 PM, Steve Murray smurray...@hotmail.com wrote:
Dear all,
I'm
On 5/4/2009 2:55 PM, tyler wrote:
Hi,
I'm confused about the use of ellipsis in function arguments. I'm trying
to write a wrapper for plot to automate the combination of plot() and
points() calls for a data.frame. Some arguments seem to get passed
through to the inner plot, while others cause
On Mon, May 4, 2009 at 7:47 PM, David Winsemius dwinsem...@comcast.net wrote:
Where can one find the code of the max() function? Is that written in C?
pages 43-54 of:
http://cran.r-project.org/doc/Rnews/Rnews_2006-4.pdf
... is an article by Uwe Ligges on accesssing source code.
Thanks,
your code is missing a closing bracket for the text labels,
legend(1,4, c(Simulation, Observation), lty=1:2, col=2:3)
baptiste
On 4 May 2009, at 20:46, Steve Murray wrote:
Dear all,
I'm attempting to insert a legend into a line graph. I've sorted out
the positioning, but I'm unable to
On May 4, 2009, at 3:04 PM, phoebe kong wrote:
Hi all,
I'm hoping to add texts into a plot. I'm using text() to do it. I
wonder if
the text() allow me to make the text vertically printed?
This worked in a plot I hapened to have lying around:
text(1,1,test, srt=90)
David Winsemius,
I have a data-set that is structured as follows:
spwgn v.realtime v.cputime v.tcputime v.idletime v.nswtch
9 0 11 28.61300 28.6128.6039 0.0e+00 407
1563 0 12 15.20270 30.3828.5981 9.80523e-01 483
3128 0 1
I've been using the sm.denstiy.compare function and would like to know some
specifics:
a) What kind of bootstrap sampling is used, with or without replacement?
b) A p-value is returned after running the following script (for example):
library(sm)
y - rnorm(100)
g - rep(1:2, rep(50,2))
to whomever that was. i deleted your email but I think below does what you
want. as always, there's probably some
improvement that could be done. whether it's  minor or major, i'm not sure
?
also, 3 things:Â Â
A)there are some Inf's in the output because of division by zero but
Here is a way -- you are dividing by zero in the scaling:
x
sp wg n v.realtime v.cputime v.tcputime v.idletime v.nswtch
9 0 1 1 28.61300 28.6128.6039 0.000 407
1563 0 1 2 15.20270 30.3828.5981 0.9805230 483
3128 0 1 4 12.50930 50.00
Markus Loecher wrote:
Dear fellow R-users,
I am about to publish an HTML utility package to CRAN that expands on the
R2HTML package and includes a few goodies such as sorted tables, easy
automation of framed HTML reporting, etc.
However, some of the resulting dynamic HTML pages need to access
Dear all,
I'm using the ellipse package and I would like to verify if the
confidence region that I
build with this package can be equivalent to an Union Intersection
Test. I used different
value for the t-statistic but I can not find the right equivalence.
Does someone know how to choose the
Hi all,
I cannot think of the technical name of this plot, but I want to create a
plot with the data below that looks like two back-to-back horizontal bar
plots.
Ideally, there would be a vertical line in the center of the plot at zero,
and on the right hand side would be 4 bars representing the
Thanks for the reply.
optim(initpar,Linn,NULL,method=BFGS,hessian=TRUE,control=list(trace=1,REPORT=1,maxit=300))
The optim is to minimize the negative likelihood function which is performed
in function Linn,
Every time the code stops right after optim, for example, the output looks
like:
Hi,
I am wondering whether there exist any function in R (any package) that
calculates Fourier Integrals.
Particularly, I am interested for estimation of a Cosine Fourier integral...
I would be much obliged if you could help me on this..
Thanks.
Andreas
--
Check out the back to back histogram here:
http://addictedtor.free.fr/graphiques/RGraphGallery.php?graph=136
On Mon, May 4, 2009 at 2:58 PM, dxc13 dx...@health.state.ny.us wrote:
Hi all,
I cannot think of the technical name of this plot, but I want to create a
plot with the data below that
Hi,
I work on order estimation for autoregressive processes and after some
inconsistencies cropped up I implemented the AIC criterion myself. Its
results do not match the implementation in R and there are a few
things I can not understand even after reading the source code of R.
I used the
It's sometimes called a pyramid plot.
The plotrix package has one. See ?pyramid.plot
dxc13 dx...@health.state.ny.us 05/04/09 7:58 PM
Hi all,
I cannot think of the technical name of this plot, but I want to create
a
plot with the data below that looks like two back-to-back horizontal bar
Duncan Murdoch murd...@stats.uwo.ca writes:
On 5/4/2009 2:55 PM, tyler wrote:
This looks like another manifestation of the following bug:
[...]
which has recently been fixed in R-patched. I haven't traced through
it, but I do see the same error as you in 2.9.0, but not in 2.9.0
patched.
I am having trouble declaring a slot of type connection or file in which to
store a file connection.
I get a warning message when class definition is loaded:
In .completeClassSlots(ClassDef, where) :
undefined slot classes in definition of Element: datafileConn(class file)
Can anyone
integrate offers some one-dimensional algorithms, but you need to
start with a smooth function to get it to converge properly. With a
cosine integral, there may be certain routines that offer better value
for money: the Clenshaw-Curtis integration, or perhaps the FFT. You
would have to recast
I've got read.table to successfully read in my table of three columns. Most of
the time I will have a set number of rows, but sometime that will be variable
and sometimes there will be only be two variables in one row, e.g.
Time Loc1 Loc2
1 22.33 44.55
2 66.77 88.99
3 222.33344.55
4 66.77
Well if you read in your data, you get:
x - read.table('clipboard', header=TRUE, fill=TRUE)
Warning message:
In read.table(clipboard, header = TRUE, fill = TRUE) :
incomplete final line found by readTableHeader on 'clipboard'
x
Time Loc1 Loc2
1122.33 44.55
22
Its not clear exactly what the rules are for this but if we assume
that numbers always end in a decimal plus two digits then
using stapply from the gsubfn package:
Lines - Time Loc1 Loc2
+ 1 22.33 44.55
+ 2 66.77 88.99
+ 3 222.33344.55
+ 4 66.77 88.99
library(gsubfn)
L -
Jim,
You guessed it. There are other problems with the data. Here is a closer
representation of the data:
Total time and location
are listed below.
Time Loc1 Loc2
---
1 22.33 44.55
2 66.77 88.99
3 222.33344.55
4 66.77 88.99
Avg. Loc1 = 77.88
Avg. Loc2 = 55.66
Final Time = 4
The last line should be as follows (as the previous post missed the
time column).
The regular expression says either start from beginning (^) and look
for a string of digits, [0-9]+, or look for digits [0-9]*, a dot [.] and two
more digits [0-9][0-9]. Each time strapply finds such a match
On Mon, May 04, 2009 at 04:44:37PM -0400, jim holtman wrote:
Here is a way -- you are dividing by zero in the scaling:
Thanks to both of you who answered. I know about division by zero, but I
basically ignore rows having n==1 when plotting.
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