Dear all, I have been working in a plot based on figure 5.6 of the Lattice book
(http://lmdvr.r-forge.r-project.org/figures/figures.html).
I
have already modified it to include the size of the circles as another
variable, but I would like to modify the legend to show it (like they do
it in htt
Dear all, I have been working in a plot based on figure 5.6 of the Lattice book
(http://lmdvr.r-forge.r-project.org/figures/figures.html).
I have already modified it to include the size of the circles as another
variable, but I would like to modify the legend to show it (like they do it in
http
FF file
> A: "Julio Rojas"
> Cc: r-help@r-project.org
> Fecha: viernes, 22 de abril de 2011, 12:37 pm
> Unless you can provide a small
> reproducible example (say a very small
> tiff including the values you got from the non-R software)
> it will be
> hard to tell
> De: Uwe Ligges
> Asunto: Re: [R] Reading a TIFF file
> A: "Julio Rojas"
> Cc: r-help@r-project.org
> Fecha: viernes, 22 de abril de 2011, 03:54 pm
> Fine, looking at the code shows that
> readTiff read the image with using libtiff which should be
> fine. A
Dear all, I have been trying to speed up a process we have been done in ArcGIS.
We have to read a single layer TIFF (monochrome image) in . For this, I have
used the "rtiff" package. After reading the TIFF file, I compared the raw
values for each pixel that I have in ArcGIS to the ones obtained
Dear all. I have to plot a the marginal population density for a heat map that
represents the population density of a city. I have been able to plot the heat
map in the lower left corner, the marginal density in x in the upper left
corner and the marginal density in y in the lower left corner. W
Thx Petr. It worked likea charm. Regards.
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Dear all, I have three vectors "x<-1:n", "y<-1:m" and "z<-2:(n+m)". I need to
find all combinations of "x" and "y" that add up a given value of "z", e.g.,
for "z==3" the combinations will be "list(c(1,2),c(2,1))".
Thanks in advance for your help.
ain, thanks.
One last question: Is there a way to use "approx" as the integrand?
Best regards.
Julio
--- El vie 18-dic-09, William Dunlap escribió:
> De: William Dunlap
> Asunto: RE: [R] Numerical Integration
> A: "Julio Rojas"
> Fecha: viernes, 18 diciembre
Dear @ll. I have to calculate numerical integrals for triangular and
trapezoidal figures. I know you can calculate the exactly, but I want to do it
this way to learn how to proceed with more complicated shapes. The code I'm
using is the following:
integrand<-function(x) {
print(x)
if(x=fx
Dear all, I'm doing a simulation study for an MM1 queue and I would like to
know if there are bias correction methods in R for time series (estimations of
warm-up points or something else).
Hope you can help me.
__
Hi. I have made 100 experiments of an M/M/1 queue, and for each one I have
calculated both, mean and variance of the queue size. Now, a professor has told
me that variance is usually chi-squared distributed. Is there a way in R that I
can find the parameter that best fits a chi-square to the var
Hi. I have made 100 experiments of an M/M/1 queue, and for each one I have
calculated both, mean and variance of the queue size. Now, a professor has told
me that variance is usually chi-squared distributed. Is there a way in R that I
can find the parameter that best fits a chi-square to the var
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