Hi Roger,
I think it does! Try multiplying with 100 or similar. It is just a matter
of displaying your result.
best
d
Feladó: R-help [r-help-boun...@r-project.org] ; meghatalmaz#243;: Bos, Roger
[roger@rothschild.com]
Küldve: 2015. július 2.
Dear Narua,
Others might suggest other things but here are some of my points.
In general it is not a good idea to call a function F as it is an abbreviation
for FALSE.
Also it might be a good idea to write your functions in a way that they check
the length of the arguments and behave
Hi Silvano,
your attachment did not go through (only a couple of formats are supported).
Please try to give your code next time and what error you get but first read
this, it might help:
http://www.statmethods.net/input/dbinterface.html
best,
daniel
Hello,
please set your mailing program to plain text instead of HTML if you post to
this list.
If you google read tiff in R you end up with the package called 'tiff'.
(http://cran.r-project.org/web/packages/tiff/tiff.pdf)
In case you do not know how to install and load a package, please consult
Hi there,
this is not a Coursera Forum. Please ask your question there or search the
Forums, these are quite regular problems there.
PS: do you really have a user name and a password in your e-mail?
Feladó: R-help [r-help-boun...@r-project.org] ;
Hi,
type
res #ENTER (now it contains your results as a vector)
or
head(res) #so you only see the first couple of values
or
plot(res) #to see a basic plot (you could set axis labels etc, but I suggets
you to go ahead and read a tutorial on R!
Best, have a great time with R,
kd
Dear Dawood,
it is not a really good idea to open a new email with the same problem you
already posted earlier.
I see you accepted some suggestions (HTML, seq) but not others (pi is a defined
constant in R, do not change it, type pi ENTER to see this.). I would like to
add one more, c is a
Hi Andre,
I think you'll have to give some more information about what you want to see on
your plot. The 4 intervals with labels? A bar with an interval maybe? Four bars
with the intervals? Only two showing differences between conf and pred
intervals?
Also you do miss a 1 here I guess:
hi,
did you try this?
http://lmgtfy.com/?q=runs+test+in+r
best,
d
Feladó: R-help [r-help-boun...@r-project.org] ; meghatalmaz#243;: Hosesin
Nezami [hosseinnezami1...@yahoo.com]
Küldve: 2015. május 2. 9:48
To: R-help@r-project.org
Tárgy: [R] (no subject)
Hello,
I am not sure what you mean by a matrix. If you want to have a matrix, use the
function matrix, (matrix(c(dog,cat,tree),3))
but I have the feeling you really want a data frame as you are talking about
variables.
In that case simply use
mydataframe - data.frame(dog,cat,tree)
If you are
Hi Mike,
please keep conversation on the list. Your code looks wy better now.
I would not name the variable variances2 but that is just a matter of taste.
What you could also do as a one-liner is something like
n - 40
REPS - 5
mu - 10
sigma - 5
chisq -
People do not usually do homework stuff here but I do not see the point in
repeating the same sample 500 times. You might want to simulate 40x500
independent samples and put those in a matrix (see ?matrix) with lets say 40
rows and 500 columns. Once done, you can apply calculate the 500 sample
Hi,
try
cor(fitted.right,fitted.wrong)
should give 1 as both are a linear function of speed! Hence
cor(cars$dist,fitted.right)^2 and cor(x=cars$dist,y=fitted.wrong)^2 must be the
same.
HTH
d
Feladó: R-help [r-help-boun...@r-project.org] ;
Hi,
rock[2,] is a data frame and you should not use sum() on a data frame, first
google hit for the error message gives
http://stackoverflow.com/questions/19697498/r-beginner-argument-is-not-numeric-or-logical-returning-na
Otherwise I think you should use
?rowSums and ?rowMeans if you have
Hi,
see the help and especially the argument inches:
Argument inches controls the sizes of the symbols. If TRUE (the default), the
symbols are scaled so that the largest dimension of any symbol is one inch. If
a positive number is given the symbols are scaled to make largest dimension
this
Hi,
try something like
main=paste(plot,i)
in the plot command.
HTH,
kd
Feladó: r-help-boun...@r-project.org [r-help-boun...@r-project.org] ;
meghatalmaz#243;: li li [hannah@gmail.com]
Küldve: 2014. június 24. 15:17
To: r-help
Tárgy: [R] Making
Hi,
the function is in the plotrix package, so you have to install and call that
package first.
After installing see example(addtable2plot).
HTH,
daniel
Feladó: r-help-boun...@r-project.org [r-help-boun...@r-project.org] ;
meghatalmaz#243;: Helen Gao
Hi,
you might try writing your own function, something like
roundDown - function(x) floor(x/100)*100
roundDown(c(2282,174,273,432))
[1] 2200 100 200 400
and than apply it to your column.
Please use ?dput next time to present your data, and post in plain text,
instead of HTML.
best,
Maybe you thought the binomial distribution?
see
?rbinom
best,
kd
Feladó: r-help-boun...@r-project.org [r-help-boun...@r-project.org] ;
meghatalmaz#243;: Rolf Turner [r.tur...@auckland.ac.nz]
Küldve: 2014. május 5. 9:27
To: Ragia Ibrahim
Cc:
Dear Mamuash Bukana,
is this a data frame with variable names you indicated?
you will need something like which(dataframename$variablename == x)
but if you have more you might use
HTH
kd
Feladó: r-help-boun...@r-project.org
Dear Members,
I have a dataset that is similar to the first example in the car function, cts
package
data(V22174)
fit - car(V22174,scale=0.2,order=7, ctrl=car_control(trace=TRUE))
summary(fit)
I would like to ask if there is a way to get the predicted/fitted values for
all the timepoints
Hi Tom,
I think you are going to get better answers if you include some code which
helps reproducing what you are doing for other users (posting guide). Exporting
regression outputs to Excel does not seem to be the way to go. Aren't you just
looking for ?predict. I am sure R can do the job for
Hi,
you possibly know that there are a lot of methods to determine the number of
bins. As a default R has the Sturges method. I think it does something like
x - runif(100)
mybreaks - hist(runif(x))$breaks
r - max(x)-min(x)
br - nclass.Sturges(x) #note this is a really simple approach and see
Hi,
is this homework?
Try
d - c(8,7,5,5,3,3,2,1,1,1)
r - rep(1,length(d))
for (i in 2:length(d)) {
if (d[i] != d[i-1]) {
r[i]=r[i-1]+1;
}
else {
r[i] = r[i-1];
}
}
Although I am sure there are better solutions!
HTH
daniel
Feladó:
Hi,
take a look at this old conversation. I do not know about an other workaround,
but maybe somebody else will know something. As we also use commas in Hungary,
I am also affected by this.
https://stat.ethz.ch/pipermail/r-help/2002-January/018030.html
HTH
daniel
Dear Charles,
see the help file and the examples at
http://cran.r-project.org/web/packages/fGarch/fGarch.pdf
or use ?garchFit
in the examples you will see for example:
garchFit(~ garch(1,1), data = x.vec, trace = FALSE)
Try something like that. Make sure you provide the package of the function
Dear Shikami,
R comes with excellent material, look for it in your /doc/manual folder, start
with R-intro.pdf.
Have fun on your hopfully long journey with R!
daniel
Feladó: r-help-boun...@r-project.org [r-help-boun...@r-project.org] ;
meghatalmaz#243;:
Dear Witold,
as a first hint: read posting guide please! People are answering in their free
time, so please try to be polite!
For your first problem: what are you expecting? You have a dataset where most
of the values is missing, the others all 0's most of the time, and some Inf
values as
Dear Agapitus,
we do not know what your variables look like but I assume ((zlim[2] -
z_invDist)/zlen) * 7 produces a vector with both positive and negative
numbert and you are using these numbers to extract elements of an other vector.
If the numbers were all positive or negative, it would
Hi, see inline
Feladó: r-help-boun...@r-project.org [r-help-boun...@r-project.org] ;
meghatalmaz#243;: Armel KAPTUE [armel.kap...@sdstate.edu]
Küldve: 2014. január 28. 8:16
To: R-help@r-project.org
Tárgy: [R] Markov chain simulation
Hi there,
I'm wonder
Dear Kinsly,
try http://bit.ly/1mhXOfH
Although values are usually missing for some good reason. Changing them to 0
might be very dangerous, R is going to think that ID3, 6 and 8 are all newborn
babies!
best
daniel
Feladó: r-help-boun...@r-project.org
Try
?bquote
HTH
kd
2012.06.20. 10:36 keltezéssel, Joaquim J.S. Ramalho írta:
Hi,
I created several figures and their titles should appear like this:
Figure 1: Monte Carlo results for alternative estimators of structural
parameters (N = 100, T = 5)
Because N and T change across
Take a look at the
kde2d
function in the MASS package, maybe it helps.
Best
kd
2012.06.19. 14:26 keltezéssel, Guillaume Chapron írta:
Hi,
I'm unable to find a way to smooth data for a persp() graph.
Example, suppose that I have data x,y,z like this:
x- 1:10
y- 1:10
k- 20
z-
If you have your data in x, you can try something like
matrix(x,length(x)/4,4)
hth
kd
2012.06.14. 14:51 keltezéssel, karthicklakshman írta:
Dear R experts,
I am interested in getting the dimensions for the matrix dynamically, based
on the the number of elements in a matrix for example. if
hi,
read an Introduction to R.
?rank is what you are looking for?
kd
2012.05.28. 20:17 keltezéssel, gaiarrido írta:
hello,
Is there any function in R to transform a numerical continuos variable in a
ranked variable?
Thanks
-
Mario Garrido Escudero
PhD student
Dpto. de Biología Animal,
keltezéssel, Petr Savicky írta:
On Thu, May 03, 2012 at 03:08:00PM +0200, Kehl Dániel wrote:
Dear List-members,
I have a problem where I have to estimate a mean, or a sum of a
population but for some reason it contains a huge amount of zeros.
I cannot give real data but I constructed a toy example
Dear List-members,
I have a problem where I have to estimate a mean, or a sum of a
population but for some reason it contains a huge amount of zeros.
I cannot give real data but I constructed a toy example as follows
N1 - 10
N2 - 3000
x1 - rep(0,N1)
x2 - rnorm(N2,300,100)
x - c(x1,x2)
n
Dear Jeff,
thank you for the response.
Of course I know this is a theory question still I hope to get some
comments on it
(if somebody already dealt with alike problems might suggest a package
and it would not take longer than saying this is a theoretical question)
The values are counts, so 0
Dear Members,
I have two estimated transition matrices and I want to compare them.
In fact I want to check the hypothesis if they come from the same process.
I tried to look for some test but all I found was independence test of
contingency tables.
The following code shows that the usual
in this solution and you can use this idea
sometime!
Thank you again, have a great day
Daniel
2012.03.29. 8:48 keltezéssel, Petr Savicky írta:
On Wed, Mar 28, 2012 at 10:46:11PM +0200, Kehl Dániel wrote:
Dear list-members,
I have a 9-by-9 matrix lets call it A with first row a11, a12, a13
Dear list-members,
I have a 9-by-9 matrix lets call it A with first row a11, a12, a13,...,
a19 etc.
I also have a vector of length 3 (B).
I want to construct a matrix of size 3x3 in the following way:
- divide matrix A to 9 3x3 blocks
- first is
a11, a12, a13
a21, a22, a23
Dear list members,
I have a really simple problem.
I connected to a DB and have the following query
adat - dbGetQuery(con, paste(select * from kmdata where SzeAZ=',
szeazok[i], ' order by datum, sep=))
now I have the data in the adat variable which is a list. In fact the
elements of the
nevermind, typo (and some gray hair)
sorry
12/5/2011 8:21 PM keltezéssel, Kehl Dániel írta:
Dear list members,
I have a really simple problem.
I connected to a DB and have the following query
adat - dbGetQuery(con, paste(select * from kmdata where SzeAZ=',
szeazok[i], ' order by datum, sep
I managed to solve the problem myself without using this code.
thx
2011-11-24 12:26 keltezéssel, Kehl Dániel írta:
Dear Community,
I am trying to write code for the following problem.
Lets assume we have a beta distribution.
I know one quantile, lets say, 10% of the mass lies above .8
Note that current implementations of*R*use 32-bit integers for integer
vectors, so the range of representable integers is restricted to
about/+/-2*10^9/:|double
http://stat.ethz.ch/R-manual/R-patched/library/base/html/double.html|s
can hold much larger integers exactly.
hth
d
2011-11-26
Dear Community,
I am trying to write (update) a code for the following problem.
Lets assume we have a beta distribution.
I know one quantile, lets say, 10% of the mass lies above .8, that is
between .8 and 1.
In addition, I know that the average of this truncated tail is a
given number, lets
Dear Community,
I know this is not the place to ask WinBUGS questions, but I did not get
any answers on other lists.
I am rather new to the BUGS language and to bayesian modeling, excuse me
for probably simple questions.
I have to conduct a bayesian meta-analysis of some data. We have
Dear All,
I have a MCMC result in x1. I was wondering if there is a simpler, more
elegant way of evaluating the estimate of an integral then this (I am
pretty sure there is):
Also if I want to count the x's say -1x2 but not the ones in the burn
in period.
[code]
z - -2
burnin - 2000
int1 -
Dear Community,
I try to compute the variance of a MC integral where I know the
analytical solution.
The function is exp(-x) integrated on the interval (2,4). (Rizzo example)
The true value is exp(-2)-exp(-4)~.1170196
I have the following short code:
code
iter - 1
MCs - numeric(iter)
n -
Hi!
Try to read about the glm function, type:
?glm
in your R editor. It looks like you have contingency tables, maybe a
loglin model would be good to start with.
D
2011-04-25 12:28 keltezéssel, Megan írta:
Hello,
I am trying to run a generalized linear model but do not know where to
Dear all,
is there an easy way to get all possible combinations (?) with replacement.
If n=6, k=3, i want something like
0 0 6
0 5 1
0 4 2
0 3 3
0 2 4
.
.
.
5 0 1
5 1 0
6 0 0
I tried to look at combn() but I could not get this done with it.
Thank you in advance:
Daniel
Thank you.
I only need those where the rowsum = n.
I could choose those with code, but I dont think it is efficient that way.
daniel
2011-04-21 12:33 keltezéssel, Dimitris Rizopoulos írta:
expand.grid(rep(list(0:6), 3))
__
R-help@r-project.org
maybe
help (-)
helps
daniel
2011-04-21 12:14 keltezéssel, Cliff Clive írta:
I should probably point out that in the example, ecov_xy and decay are
scalars, and x and y are vectors.
--
View this message in context:
?cbind should solve your problem
2011-04-12 07:54 keltezéssel, pankaj borah írta:
I have two matrices A and B
dim (A)
[1] 30380 104
dim(Bt)
[1] 3038063
I want to combine both A and B to matrix C where
dim(C)
[1] 30380 167
How do I do that ?
Regards,
Pankaj Barah
Winsemius írta:
On Mar 29, 2011, at 4:45 PM, Kehl Dániel wrote:
Dear list members,
I want to draw surfaces of Dirichlet distributions with different
parameter settings.
My code is the following:
#begin code
a1 - a2 - a3 - 2
#a2 - .5
#a3 - .5
x1 - x2 - seq(0.01, .99, by=.01)
f - function(x1
It helped a lot indeed, thank you very much!
Now I understand why it was a problem for persp!
Daniel
2011-03-30 10:31 keltezéssel, Gavin Simpson írta:
On Wed, 2011-03-30 at 09:55 -0700, Kehl Dániel wrote:
Dear David,
I think that is a small bug too, maybe because the function is constant
Actually, it works for the a=1 case, not for the others. It still gives
the invalid 'zlim argument' error.
I'll try to work it out maybe instead of NULL giving a c which is
dependent on the max(z).
Daniel
2011-03-30 10:42 keltezéssel, Kehl Dániel írta:
It helped a lot indeed, thank you very
Dear list members,
I want to draw surfaces of Dirichlet distributions with different
parameter settings.
My code is the following:
#begin code
a1 - a2 - a3 - 2
#a2 - .5
#a3 - .5
x1 - x2 - seq(0.01, .99, by=.01)
f - function(x1, x2){
term1 -
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