elect: Total cost of electricity (including delivery and commodity
charges)
With Maryland's BGE/PSC/State Legislature rate control, does anybody
_really_ know what the total cost is? That may be what you paid then,
but was that the total cost?
The cost data may be difficult to compare with
To quote one of the previous answers you've got: The formula you're
using is the TV. The one binom.test() uses is the ballpark. Take your
pick.
Andy
From: Ethan Johnsons
Thank you for the info. It helps.
After all, it would be:
0.1304348-1.96*(sqrt((0.1304348*(1-0.1304348))/46))
Hello All,
Is it possible to plot each factor in a different color on the multiple
correspondence plot?
What is the implication and statistical meaning behind the coordinates for
the rows on the plot? Could I just plot a symbol instead of a number for the
coordinates?
Thanks!
Hi,
Just to signal that when I want to plot POSIXct variable on x using
format within plot(), I get what I want on the plot but with a number of
warnings:
plot(y~x,format=%y-%m)
Warning messages:
1: format is not a graphical parameter in: plot.window(xlim, ylim,
log, asp, ...)
2: format is
Folks,
I have got a strange behaviour when testing this:
sum(x) != 1
let us set
x-c(70,134,1,5,0)
and transform it in a vector of probabilities
x-x/sum(x)
One expect sum(x) should be equal to 1, which is apparently the case
sum(x)
[1] 1
However, when I try to test it I get:
if(sum(x)
Patrick,
the problem arises because computers can't exactly represent real
numbers. Try this for your test:
if(!all.equal(sum(x),1)) print(lost) else (OK)
see FAQ
http://cran.r-project.org/doc/FAQ/R-FAQ.html#Why-doesn_0027t-R-think-these-numbers-are-equal_003f
I hope that this helps
Andrew
On Sat, 21 Oct 2006, Patrick Giraudoux wrote:
Folks,
I have got a strange behaviour when testing this:
sum(x) != 1
FAQ 7.31 Why doesn't R think these numbers are equal?:
print(sum(x), digits=20)
identical(sum(x), 1)
all.equal(sum(x), 1)
let us set
x-c(70,134,1,5,0)
and
To solve the problem you have in general, you will need
something more powerful than 'constrOptim'. This is called
a mixed integer problem, and arises in several fields including
financial portfolio optimization.
If you really only have 3 variables, then there are only 3
combinations of 2
Dear r-helpers,
Following up on http://finzi.psych.upenn.edu/R/Rhelp02a/archive/
81159.html where Douglas Bates gives a helpful application of lmer()
to data(sleepstudy, package = 'lme4'), I need a bit more help in
order to plot the correct confidence intervals of a designed
experiment
On Sat, Oct 21, 2006 at 11:04:13AM +0200, Patrick Giraudoux wrote:
Which means that actually sum(x) is NOT considered equal to 1...
Any idea about what is going wrong?
Others have already pointed out the problem and I would like to add a
reference to a classical paper on this topic:
David
Hi
I have just (finally) started to poke around in R and wanted to analyse
a stream fish dataset with 28 sites and 18 species. When trying to
follow the Vegan manual to run nmds from distance measures calculated by
the vegdist function it turns out that I have two sites (streams) with
the
I'm getting the following error:
headerinfo=readLines(met_station_file,n=8)
headerinfo
[1] Plot Title: tahoe met validation ,,,
[2]Error: invalid multibyte string
met_station_file's first 8 lines are as follows:
Plot Title: tahoe met validation ,,,
#,Time, GMT-07:00,Temp, F,Coupler
On Sat, 21 Oct 2006, Jonathan Greenberg wrote:
I'm getting the following error:
headerinfo=readLines(met_station_file,n=8)
headerinfo
[1] Plot Title: tahoe met validation ,,,
[2]Error: invalid multibyte string
met_station_file's first 8 lines
On Sat, 2006-10-21 at 13:19 +0200, Leonard Sandin wrote:
Hi
I have just (finally) started to poke around in R and wanted to analyse
a stream fish dataset with 28 sites and 18 species. When trying to
follow the Vegan manual to run nmds from distance measures calculated by
the vegdist
Sorry, dumb typo. Should be 18-Dec-2005. -Kevin
From: Richard M. Heiberger [mailto:[EMAIL PROTECTED]
Sent: Fri 10/20/2006 5:43 PM
To: Zembower, Kevin
Subject: Re: [R] Dataset on Baltimore home energy costs
Thanks for the data. Can you clarify the date here.
Colleagues
After reading in some clinical data, I discovered that the subject ID
column contains entries only for the first record for each
individual; subsequent rows are recorded as NA. For example:
1
NA
NA
NA
NA
2
NA
NA
NA
NA
3
NA
NA
...
I can think of various approaches to
The zoo package has na.locf (last occurrernce carried foward)
for this purpose:
x
[1] 1 NA NA NA NA 2 NA NA NA NA 3 NA NA
library(zoo)
na.locf(x)
[1] 1 1 1 1 1 2 2 2 2 2 3 3 3
On 10/21/06, Dennis Fisher [EMAIL PROTECTED] wrote:
Colleagues
After reading in some clinical data, I
Actually I think its last _observation_ carried forward.
On 10/21/06, Gabor Grothendieck [EMAIL PROTECTED] wrote:
The zoo package has na.locf (last occurrernce carried foward)
for this purpose:
x
[1] 1 NA NA NA NA 2 NA NA NA NA 3 NA NA
library(zoo)
na.locf(x)
[1] 1 1 1 1 1 2 2 2 2
Sorry - this must be obvious, but i haven't been able to find the
answer in the guides i've searched. The examples seem to assume you
always want to look at all the data.
I want to be able to filter data in a dataframe before analyzing it.
For example, I'd like to plot(a,b) but only include
Dear Larry,
Data can be filtered in the following manner:
a = c(1,2,3,4)
b = c(1,2,3,4)
b = b[a3]
b = b[b3]
a
b
[1] 4
Or if the data is in a data frame:
b = data.frame(seq(1:10),seq(1:10)
names(b) = c(a,b)
b
b = b[b$a 5,]
b
The trailing comma at the end is important.
Hopes this helps,
Paul
Dear R-help,
I am trying to make logistic regression analysis using the R function
glm, with the parameter family set to binomial, in order to use a
logistic regression model.
I have 70 samples. The dependent variables has two levels (0 and 1) and
one of the independent variables has too two
Hi all,
I have a problem using rdirichlet{gtools}.
For Dir( a1, a2, ..., a_n), its mode can be found at $( a_i -1)/ (
\sum_{i}a_i - n)$;
The means are $a_i / (\sum_{i} a_i ) $;
I tried to study the above properties using rdirichlet from gtools. The code
are:
##
library(gtools)
Larry White wrote:
Sorry - this must be obvious, but i haven't been able to find the
answer in the guides i've searched. The examples seem to assume you
always want to look at all the data.
I want to be able to filter data in a dataframe before analyzing it.
For example, I'd like to
On Sat, 21 Oct 2006, Gabriele Stocco wrote:
Dear R-help,
I am trying to make logistic regression analysis using the R function
glm, with the parameter family set to binomial, in order to use a
logistic regression model.
I have 70 samples. The dependent variables has two levels (0 and 1) and
Dear List
I am looking for a script that will calculate the Box M test to test the
homogeneity of the variance/covariance matrix between two matrices.
If anyone could send me the script I would appreciate it.
I am aware of the scepticism about this test, where due to extreme
Dear List
I am looking for a script that will calculate the Box M test to test the
homogeneity of the variance/covariance matrix between two matrices.
If anyone could send me the script I would appreciate it.
I am aware of the scepticism about this test, where due to extreme
Hi,
I noticed that max(x) returns the maximum value of a vector, but the
function doesn't give the user the option of retrieving the row index number
instead. If I used max(x) to find the maximum value of vector x, then is
there a function I can use to find the index number, or row name, of the
Larry White wrote:
Sorry - this must be obvious,
Yes, it is :-)
I want to be able to filter data in a dataframe before analyzing it.
For example, I'd like to plot(a,b) but only include values where b
1000.
If a and b are vectors, then b 1000 is another vector of logical
values.
You can
--- tom soyer [EMAIL PROTECTED] wrote:
Hi,
I noticed that max(x) returns the maximum value of a
vector, but the
function doesn't give the user the option of
retrieving the row index number
instead. If I used max(x) to find the maximum value
of vector x, then is
there a function I can
?which.max
On 10/21/06, tom soyer [EMAIL PROTECTED] wrote:
Hi,
I noticed that max(x) returns the maximum value of a vector, but the
function doesn't give the user the option of retrieving the row index number
instead. If I used max(x) to find the maximum value of vector x, then is
there a
Thanks John! I got it.
On 10/21/06, John Kane [EMAIL PROTECTED] wrote:
--- tom soyer [EMAIL PROTECTED] wrote:
Hi,
I noticed that max(x) returns the maximum value of a
vector, but the
function doesn't give the user the option of
retrieving the row index number
instead. If I used
Patrick Burns ([EMAIL PROTECTED]) wrote:
You may be interested in S Poetry.
Hi,
I do find your book very helpful. Thank you.
Best regards,
Marcin Jaworski
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PLEASE do
Original Message
Subject: [AGDG-LIST:405] R Computing Contest
Date: Sat, 21 Oct 2006 12:08:13 -0400
From: Larry Schaeffer [EMAIL PROTECTED]
Reply-To: [EMAIL PROTECTED]
To: Animal Geneticist's Discussion [EMAIL PROTECTED]
For those that are interested only:
R Computer
That looks to me like an infinity sign (I have no idea why that is part of
the header of this file, but it is there). How do I modify the encoding to
read this in?
--j
On 10/21/06 4:33 AM, Roger Bivand [EMAIL PROTECTED] wrote:
On Sat, 21 Oct 2006, Jonathan Greenberg wrote:
I'm getting
See
http://finzi.psych.upenn.edu/R/Rhelp02a/archive/0.html
Andy
From: GRAHAM LEASK
Dear List
I am looking for a script that will calculate the Box M
test to test the homogeneity of the variance/covariance
matrix between two matrices.
If anyone could send me the
On Sat, 21 Oct 2006, Jonathan Greenberg wrote:
That looks to me like an infinity sign (I have no idea why that is part of
the header of this file, but it is there). How do I modify the encoding to
read this in?
The problem is the degree sign. Under linux:
$ file
Roger Bivand [EMAIL PROTECTED] writes:
On Sat, 21 Oct 2006, Jonathan Greenberg wrote:
That looks to me like an infinity sign (I have no idea why that is part of
the header of this file, but it is there). How do I modify the encoding to
read this in?
The problem is the degree sign.
I found that
seek(..., origin = 'current', ...)
and
readBin(..., what = 'integer', ...)
or 'int'
do not work correctly.
Did anyone have the same experience?
__
R-help@stat.math.ethz.ch mailing list
Hi,
I would like to draw a pie chart. I've already tried out the standard
pie-function in the GRAPH-package. My question: is there any 'better'
function or package to draw a pie chart. For example I would like to
draw a 3D pie chart.
Dietrich Tissen
Dear list,
I have multiple (BWidget) listboxes in the same toplevel window.
The problem is, if I select (by left clicking) on one of those
listbox elements, the current selection in the *other* listboxes is
cleared!
Anybody knows how I can prevent this?
Here's my code (sorry not complete):
(E.g.
On Sat, 2006-10-21 at 22:46 +0200, Dietrich Tissen wrote:
Hi,
I would like to draw a pie chart. I've already tried out the standard
pie-function in the GRAPH-package. My question: is there any 'better'
function or package to draw a pie chart. For example I would like to
draw a 3D pie
Richard M. Heiberger [EMAIL PROTECTED] writes:
I recommend emacs
http://ftp.gnu.org/pub/gnu/emacs
It has modes for TeX and LaTeX and automatically chooses the
right one.
As a side benefit once you have emacs you can then
run R through ESS, the package that provides the modes for handling
Ram Dessau [EMAIL PROTECTED] writes:
[...]
Window binary for ROracle 10 ?
Is there anyone who could help with a version of ROracle for windows
which is compatible with Oracle 10 or more general just uses the
default-home The available (not officially released) version only
supports Oracle 9
Adrian Dragulescu [EMAIL PROTECTED] writes:
I've seen from earlier posts that other people had problems installing
ROracle under Windows. I run R-2.3.1.
I got the Windows binaries for ROracle from
http://stat.bell-labs.com/RS-DBI/download/index.html
Here is my session:
require(ROracle)
On 21 Oct 2006, Peter Dalgaard wrote:
Roger Bivand [EMAIL PROTECTED] writes:
On Sat, 21 Oct 2006, Jonathan Greenberg wrote:
That looks to me like an infinity sign (I have no idea why that is part of
the header of this file, but it is there). How do I modify the encoding
to
hong qin alongway at gmail.com writes:
Hi all,
I have a problem using rdirichlet{gtools}.
For Dir( a1, a2, ..., a_n), its mode can be found at $( a_i -1)/ (
\sum_{i}a_i - n)$;
The means are $a_i / (\sum_{i} a_i ) $;
I believe the problem is that the marginal
modes are not equal
Hi,
Sometime when I attach a dataset, R gives me the following
message/warning:The following object(s) are masked from package:datasets:
column_name. Does anyone know what it means? Since it seems that the
dataset was attached and I could manipulate the data from the dataset
without problems, I
I am creating a model attempting to predict the probability someone will
reoffend after being caught for a crime. There are seven total inputs and I
planned on using a logistic regression. I started with a null deviance of
182.91 and ended up with a residual deviance of 83.40 after accounting
On Sat, 2006-10-21 at 20:02 -0400, Chris Linton wrote:
I am creating a model attempting to predict the probability someone will
reoffend after being caught for a crime. There are seven total inputs and I
planned on using a logistic regression. I started with a null deviance of
182.91 and
tom soyer tom.soyer at gmail.com writes:
Hi,
Sometime when I attach a dataset, R gives me the following
message/warning:The following object(s) are masked from package:datasets:
column_name. Does anyone know what it means? Since it seems that the
dataset was attached and I could
cannot exec 'f951': No such file or directory
Reply-To:
Hi all,
I'm using R on an Suse Linux system. Since Hmisc and Design need both
fortran, I installed gfortran (through rpm). However, I still get an
error message, namely:
gfrotran: error cannot exec 'f951': No such file or directory
And
Dear Listers,
I am wondering how to convert multiple dummy variables to 1 factor variable.
Thanks.
wensui
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PLEASE do read the posting guide
Chris Linton connect.chris at gmail.com writes:
I am creating a model attempting to predict the probability someone will
reoffend after being caught for a crime. There are seven total inputs and I
planned on using a logistic regression. I started with a null deviance of
182.91 and ended
On Sat, 2006-10-21 at 18:43 -0500, tom soyer wrote:
Hi,
Sometime when I attach a dataset, R gives me the following
message/warning:The following object(s) are masked from package:datasets:
column_name. Does anyone know what it means? Since it seems that the
dataset was attached and I could
Dear list,
I'm trying to fit a multilevel (mixed-effects) model using the lme function
(package nlme) in R 2.4.0. As a mixed-effects newbie I'm neither sure about
the modeling nor the correct R syntax.
My data is structured as follows: For each subject, a quantity Y is measured
at a number (= 2)
On Sat, 2006-10-21 at 21:04 -0400, Wensui Liu wrote:
Dear Listers,
I am wondering how to convert multiple dummy variables to 1 factor variable.
Thanks.
wensui
I was thinking of a function that is essentially the reverse of
model.matrix() which is used by R modeling functions. I did not
-- apologies if this is a dup - i got a bounce saying the message was
unprocessed.
Is there a straightforward way to get a table with percents in the
cells rather than counts? I've looked at table, ftable, xtabs, and
ctab, which did the conversion but returned the results in a single
row without
Maybe _CrossTable_ in gmodels package is what you want.
2006/10/22, Larry White [EMAIL PROTECTED]:
-- apologies if this is a dup - i got a bounce saying the message was
unprocessed.
Is there a straightforward way to get a table with percents in the
cells rather than counts? I've looked at
Thanks Marc and Gregor for the detailed explanation. You are right, the
masking is potentially dangerous. Since R is object oriented, I am surprised
that this is an issue. Does this mean that encapsulation does not exist in
R?
On 10/21/06, Marc Schwartz [EMAIL PROTECTED] wrote:
On Sat,
try prop.table()
On 10/21/06, ronggui [EMAIL PROTECTED] wrote:
Maybe _CrossTable_ in gmodels package is what you want.
2006/10/22, Larry White [EMAIL PROTECTED]:
-- apologies if this is a dup - i got a bounce saying the message was
unprocessed.
Is there a straightforward way to get
Dear all,
I have a question on the shardsplot package:klaR(see the below Example).
Plese tell me the meanings of logstand - t((t(logcount) / sdlogcount) *
c(1,2,6,5,5,3)), much more.
Why does this example use c(1,2,6,5,5,3) ?
Examples:
# Compute clusters and an Eight Directions
Larry White wrote:
-- apologies if this is a dup - i got a bounce saying the message was
unprocessed.
Is there a straightforward way to get a table with percents in the
cells rather than counts? I've looked at table, ftable, xtabs, and
ctab, which did the conversion but returned the results
Does anyone can provide a code to implement least median squares
regression in R (not using the lqs function or calling C functions)?
Reason: teaching/learning purposes
Thanks
PM
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Try this using builtin data set BOD:
medsq - function(p, DF) median((p[1] + p[2] * DF[[1]] - DF[[2]])^2)
init - coef(lm(demand ~ Time, BOD))
optim(init, medsq, DF = BOD)
library(MASS)
lqs(demand ~ Time, BOD, method = lms)
On 10/22/06, Pedro Mardones [EMAIL PROTECTED] wrote:
Does anyone can
Thanks to everyone for many useful tips to more information.I
think this thread is worth reading, if only for that reason alone
(despite some disparaging comments about my research abilitites). I
appreciate the advice from those who have more experience with these
finance tools than me (that
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