to achieve that? Any ideas are be welcome.
Regards,
Martin Ivanov
-
Вижте последните новини във Vesti.bg!
http://www.vesti.bg/
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Hello!
I would like to ask if R can solve the following problem.
I need to produce two 3d plots on a single page, that is
to arrange them one above the other. Also, I need to
visualize points by means of spheres, pyramids and cubes
in the 3d space. Also, I would like to fill these symbols
with
Dear R users,
I am running R version 2.10.0 (2009-10-26). I need to prepare an eps
graphic with a legend with cyrillic words. I tried setting the encoding
parameter of the postscript command, but in vain, nothing seems to work. I
tried with CP1251, KOI8-R, UTF-8 and Cyrillic (UTF-8 turned out to
Dear R users,
I need to know whether the factor graphics with principal component analysis
are implemented in R. I mean the graphs where the variables are represented in
a correlation circle, as described in more detail in this document:
Dear forum,
I need to create biplot graphic. I took a look at the code of the
biplot.default function from the stats package and I found that the arrows for
the variables are multiplied by a coefficient of 0.8 before plotting:
...
if (var.axes)
arrows(0, 0, y[, 1L] * 0.8, y[, 2L] *
not.
Regards and best wishes,
Martin Ivanov
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained
. Moreover, if I modify the last but one command like
this:
plot(x=.5, y=c(.5) , xaxs=i, yaxs=i, type=n, xaxt=n, yaxt=n, asp=NA)
the output in the left margin is c(0.5. Does anyone have an explanation? Is
this a bug?
Can this problem be solved?
Regards,
Martin Ivanov
Dear R users,
I need to to the the following. Let a= 1 2 3
4 5 6
and b= -1 -2 -3 be (2x3) matrices.
-4 -5 -6
I need to combine the two matrices into a new (2x6) matrix like this:
ab = ( 1 -1 2 -2 3 -3 )
4 -4 5 -5 6 -6
How
to suppress the estimation of
intercept term in reduced.form.var? Do I need to modify the code, and if I do,
how? Is there a way to apply irf and dfev to objects of type systemfit?
Regards,
Martin Ivanov
-
Крайна цел - Да оцелееш
of these functions, but in vain: neither irf, nor
vars::irf, nor vars:::irf output the code of the functions. Does someone know
whether irf and fevd assume one standard deviation or a unit shock? How can I
see the code of these functions?
Regards,
Martin Ivanov
of these functions, but in vain: neither irf, nor
vars::irf, nor vars:::irf output the code of the functions. Does someone know
whether irf and fevd assume one standard deviation or a unit shock? How can I
see the code of these functions?
Regards,
Martin Ivanov
Dear R users,
I am using the vars package to calculate the impulse response functions and the
forecast error variance decomposition of a VAR model. Unfortunately I do not
know whether these functions assume unit or one standard deviation shocks. I
tried to look into the code of these
Dear R users,
I need to calculate the univariate impulse response function for a series of
data. Unfortunately the vars package does not support univariate analysis. If I
try to evaluate a single series like this:
VAR(y=xres,p=1,type=none,ic=AIC)
the result is
Error in VAR(y = xres, p = 1,
Dear R users,
I need a produce a plot with a single panel and a few lines on it. Each line
represents a different data set. The line types must be h, i.e. ‘histogram’
like (or ‘high-density’) vertical lines. The problem is that the vertical lines
comprising a plot line of type=h are drawn from
updated and seems well
supported.
Regards,
Martin Ivanov
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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
Dear R users,
I want to get the D1 details reconstructed
to the level of my time series. My original time series is NH$annual[,]
and it has 118 elements. This is the code I use and the results:
library(wavelets)
NHj - extend.series(X=NH$annual[,], method=reflection,
length=powerof2, j=7);
Hello!
I would like to ask whether the seasonality implemented in arima() is additive
or multiplicative? I searched a lot, but I could not find an answer to that
question, although it has been asked other times too.
Thank you very much for your attention.
Regards,
Martin
Hello!
I asked in this forum about what kind of seasonality the function arima() from
stats implements. Now that I have been answered that it implements the
Box-Jenkins multiplicative seasonality, I would like to ask whether there is in
R possibility to model ARIMA with additive seasonality. I
Dear R users,
I need to plot to perpendicular straight lines. However, although I set the
coefficients
so that the lines are perpendicular, they do not look to be so in the plot.
Here is a minimal working example:
plot(x=c(-1, 1), y=c(-1, 1)); abline(a=0, b=1/sqrt(2)); abline(a=0,
and down
pointing triangles, but of no avail. Any suggestions will be appreciated.
Regards,
Martin Ivanov
-
100 лв БОНУС. Най-високи коефициенти. Tempobet.com
http://bg.tempobet.com/affiliates/3208311
Dear R users,
I am using package alphahull version 0.2-0 with R-2.13.0. Here is my problem.
I have produced a 2-D plot of points and need to draw convex hulls around some
subsets of these points. So I just need to add the convex hulls to the already
existing plot. That is why I cannot use the
Dear R users,
I need to perform a block bootstrap to a time series. The block size must be 3
and the blocks must NOT overlap.
I found a number of functions for bootstrap in R (tsboot, tsbootstrap in
tseries, and LocSig in SpatialVx), but neither of them seems to implement
non-overlapping
the interannual correlations are negligible compared to the
intraseasonal ones and neglect the former.
Best regards,
Martin
Оригинално писмо
От: Rafael Robledo
Относно: Re: [R] non-overlapping blocks bootstrap?
До: Martin Ivanov
Изпратено на: Вторник, 2013, Февруари 5 23:57
Dear R users,
I would like to produce a lattice graph that keeps the ticks at the joining
sides of the panels.
For example:
library(lattice)
library(datasets)
xyplot(lat ~ long | cut(depth, 2), data = quakes, between=list(x=1))
You can see that ticks are plotted at the sides 1 (bottom), 2
Dear R users,
I need a function that gets a number and returns its number of actual decimal
places.
For example f(3.14) should return 2, f(3.142) should return 3, f(3.1400) should
also return 2
and so on. Is such function already available in R? If not, could you give me a
hint how to achieve
Dear Mr Harding,
Thank You very much for Your responsiveness.
There would seem to be no clean general solution to this
question. An important issue would be: What use do you
want to put the result to?
I need this trick for the following task.
I am writing a function which has to determine
))
decimalnumcount(x)
#[1] 2 3 2 9 9 35 50
So, I guess it will be better to deal with character strings rather than
using as.character.
A.K.
- Original Message -
From: quot;ted.hard...@wlandres.netquot;
To: r-help@r-project.org
Cc: Martin Ivanov
Sent
Dear R users,
I have a lot of experience with traditional R graphics, but I decided to turn
to trellis as
it was recommended for spatial graphs by the sp package. In traditional R
graphics
I always first set the size of the device region absolute units (e.g. mm) and
then I
firmly fix the
Dear R users,
I am struggling with the colorkey on a levelplot lattice graphic.
I want that no ticks are printed on the colorkey. That is, I want their size
tck=0.
Merely setting tck=0 t in the colorkey parameter does not work. Setting it in
the lattice.par.set()
removes the ticks from the
Dear R users,
I need to add minor axis ticks to my graph. In traditional R this is easily
achievable by simply
adding a second axis with the minor ticks. But how to do that in trellis? I am
already out of ideas.
Any suggestions will be appreciated.
Best regards,
Martin
Dear R users,
I am new to lattice but am trying to get to grips with it.
I need to add contour lines for the topography to a plot I created with spplot.
The topography is available as a
SpatialPixelsDataFrame object Z_sfc. If I plot it as spatial lines, after
converting to a SpatialLines
Dear R users,
I am running R-2.15.1 in Linux Slackware64-14.0. Here is my minimal working
example:
testfun - function (x) {
a - 0;
sapply(X=a, FUN=get, envir=sys.frame(which=x));
}
Inside R, that is R called from within a Linux terminal, the following code
works:
testfun(x=5)
Thank You very much for Your replies.
Dear Michael,
Does this persist after a new session (perhaps running as R --vanilla) and/or
reinstall?
Yes, it does. After running R --vanilla, still there are 4 contexts more on the
call stack.
You didn't show us how you tried to use parent.frame()
I
the code is finally stable and it is thanks to Your suggestion.
Best regards,
Martin Ivanov
Оригинално писмо
От: Thomas Lumley
Относно: Re: [R] get: problem with environments
До: R. Michael Weylandt
Изпратено на: Четвъртък, 2012, Октомври 11 01:52:14 EEST
On Thu, Oct
Hello,
I would like to get an advice on how the notorious eval(parse()) construct
could possibly
be avoided in the following example. I have an array x, which can have
different number of dimensions,
but I am only interested in extracting, say, the first element of the first
dimension.
:56 AM, Martin Ivanov wrote:
Hello,
I would like to get an advice on how the notorious eval(parse()) construct
could possibly
be avoided in the following example. I have an array x, which can have
different number of dimensions,
but I am only interested in extracting, say, the first
!
Best regards,
Martin
Оригинално писмо
От: arun
Относно: Re: [R] avoiding eval parse with indexing
До: Martin Ivanov
Изпратено на: Неделя, 2013, Май 26 18:48:33 EEST
Hi,
You could use:
library(abind)
#using Berend's and Bert's example
x1 - array(runif(9),dim=c
Hello,
I want to create and save objects in a loop, but this is precluded by the
following obstacle:
this part of the script fails to work:
assign(x=paste(a, 1, sep=), value=1);
save(paste(a, 1, sep=), file=paste(paste(a, 1, sep=), .RData, sep=))
Do you know any workaround? I am already out
Dear R users,
I have the following problem. I plot a SpatialPixelsDataFrame object with
spplot and I need to add a contourplot
of another spatial variable. To be more precise, I plot the
SpatialPixelsDataFrame of the mean precipitation over Germany with coloured
regions and I want to overlay
Hello,
In the classical function contour labels are drawn so that each contour line
is broken at the place of the label, so that the label does not overlap the
line. In the trellis contoourplot the labels are placed beside or over the
line, controlled by the label.style parameter, but I could
Dear R users,
I keep getting the message Error: cannot allocate a vector of size 543.2 Mb
on my 64 bit Linux machine with 4 Gb of memory. I studied the problem and it
occurs at the last lines of my code:
..
a - laply(.);
save(a, file= file.RData);
rm(a);
a is a 4-d array of
Dear R users,
I am learning the OOP programming with R, in particular with reference classes.
If I have a class, e.g.
myclass - setRefClass(class=myclass, fields=list(x=numeric));
I know that if I do not want to set any class for x, I can just type
fields=list(x=ANY). But what if
I want to
for some ideas how to handle debugging code when
no printing or exporting objects to the workspace works.
Any suggestions will be appreciated.
Best regards,
Martin Ivanov
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Dear All,
I am trying to compile R-3.0 on Cray xe6 (HLRS) HERMIT, no success so far.
Here is my experience:
I use this to configure and make R:
CC=cc \
CXX=CC \
F77=ftn \
FC=ftn \
CPPFLAGS=-I$PREFIX/include \
LDFLAGS=-L$PREFIX/lib${LIBDIRSUFFIX} \
./configure --prefix=$PREFIX \
Dear all,
I am running R-3.0 on Slackware64 Linux (Linux marto 2.6.38.4 #1 SMP Thu Apr 21
20:48:11 CDT 2011 x86_64 Intel(R) Core(TM) i5-2520M CPU @ 2.50GHz GenuineIntel
GNU/Linux)
Here is a minimal example:
library(parallel);
fun - function(fileName) { file.create(fileName);
Dear lattice users,
I am trying to produce a lattice graph with two conditioning variables.
My problem is that I only want to show the strips for the levels of the second
conditioning variable.
I want to remove the strips for the levels of the first conditioning variable.
I tried with the strip
of an empty space for
the missing f1 strips.
Any suggestions?
Best regards,
Martin
Оригинално писмо
От: Pascal Oettli
Относно: Re: [R] lattice question: removing strips
До: Martin Ivanov
Изпратено на: Понеделник, 2014, Февруари 10 12:56:21 EET
Hello,
Please provide
Dear R users,
The confidence intervals for the squared coherence and phase, plotted by
plot.spec.coherence() and plot.spec.phase, respectively,
use the formulae 10.14 and 10.11 from Bloomfield, P. (1976) Fourier Analysis of
Time Series: An Introduction. Wiley:
gg - 2/x$df
se - sqrt(gg/2)
z -
Dear R users,
I am working a lot with spatial objects from the package sp. I need to write my
own method for converting a SpatialGrid
to a SpatialPoints object, because the default method as("SpatialGrid",
"SpatialPoints") returns a SpatialPoints object with
decreasing latitudes. If I write my
Hello,
I am trying to install R-3.4.1 on a linux cluster. I always get the following
error message:
checking readline/history.h usability... yes
checking readline/history.h presence... yes
checking for readline/history.h... yes
checking readline/readline.h usability... yes
checking
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