search for: fractal

Displaying 20 results from an estimated 77 matches for "fractal".

2009 Apr 14
1
fractal vs. Fractal packages
Dear R People: At one time, there were packages called fractal and Fractal, respectively, which had different functions. I can't seem to find Fractal any more. Does it still exist somewhere, please? Thanks in advance for any help! Sincerely, Erin -- Erin Hodgess Associate Professor Department of Computer and Mathematical Sciences University of Houst...
2017 Nov 03
2
fractales
...el conjunto de mandelbrot en r cómo mola https://www.google.es/amp/s/www.r-bloggers.com/the-mandelbrot-set-in-r/amp/ El 3 nov. 2017 4:20 PM, "eric" <ericconchamunoz en gmail.com> escribió: > hola luis, podrias explicarte un poco mas ? que quieres decir con "obtener > fractales de una imagen" ? > > Puedes construir una imagen con fractales, pero obtener (extraer o sacar > quieres decir?) fractales de una imagen, no se me ocurre a que se puede > referir, a menos que la imagen sea un fractal, en cuyo caso ya lo tienes > ... :) > > Slds, eric. &gt...
2008 Jul 04
2
Interface between fractal geometry and statistics
Are there any packages that help with statistical analysis in situations where fractal geometry is relevant? Perhaps something that supports computation of fractal related statistics, such as the Hurst exponent or fractal dimension? Or perhaps which support obvious tasks such as taking samples from a dataset at different levels of granularity (such as sampling spatial data at cm...
2017 Nov 17
0
'fractal' package
https://rdrr.io/rforge/fractal/ https://cran.r-project.org/web/packages/fractal/fractal.pdf Hi, I am trying to learn about nonlinear time series, and fractal time series analysis in particular. I am interested in becoming proficient with the 'fractal' package. I have two specific questions: 1. I have a...
2017 Nov 03
3
fractales
Hola Quisiera saber si podrían informar como puedo hacer para obtener fractales de una imagen con R. Hay algún paquete? o tutorial que me guíe? Desde ya muchas gracias. Atentamente, Luis
2007 Apr 13
2
Fractals with R
Hi everybody, I put some R-code to a web page for drawing fractals. See http://fractalswithr.blogspot.com/ If you have some R-code for fractal images, I'm willing to include them to the page. Has somebody tried L-systems or Markov algorithm (http:// en.wikipedia.org/wiki/Markov_algorithm) with R? Best wishes, Atte Tenkanen University of Turku, Finland
2012 Jul 30
1
fractal package
Greetings of Peace! I am new in R software. I want to use the correlation dimension corrDim in computing a map. I have installed the packages(fractal) in R. Now my problem is this, when I tried your example in the following site http://rgm2.lab.nig.ac.jp/RGM2/func.php?rd_id=fractal:corrDim  > library(fractal) > png(filename="corrDim_%03d_med.png", width=480, height=480) > beam.d2 <- corrDim(beamchaos, olag=10, dim=10, res=4...
1999 Dec 27
1
Anything for fractals ?
Hallo, I am a newbie to R and desperatley seeking some material about fractal geometry. I found the great library on wavelet analysis of images and I'm now also keen on finding a similar package for calculating fractal parameters for given images. Does anybody know something about such a package? Every hint is greatly appreciated!! I searched already the database, but d...
2009 Apr 11
1
Fractal Explorer is messy
Hello, I want to use Fractal Explorer, which is freeware and available from http://www.eclectasy.com/Fractal-Explorer/ ,under Wine. It mostly works, however the main window doesn't redraw correctly, it shows the background. This image shows what happen: http://img10.imageshack.us/img10/3786/blahqnm.jpg Any sollutions? I&...
2011 Dec 19
2
fractal image analysis
Dear all I tried to find some packages (or programs) for image analysis and especially fractal dimension image analysis but so far I had not success. It shall be used for particle surface layer analysis from TEM images. Any suggestions? Best regards Petr
2004 Sep 15
1
fractal dimension of an image
Hello, I have a problem that I think can be solved in R but I'm not sure how to tie things together. I have a digital image of a crystal growth in 2 dimensions. And my aim is to calculate the fractal dimension of the crystal. I was planning to use the box counting method. So I need to read in the image in R (for which I can use the pixmap or rimage packages) and then draw a grid over at a series of resolutions and for each grid, count how many cells of the grid are occupied by the crystal. Sin...
2009 Feb 24
0
[SoC09-Idea] Movement Ecology add-ons for adehabitat package
...er the call, of course. The idea has already been briefly discussed with the mantainer of the adehabitat package and the AniMov project community. Short description Develop some add-on functions to use the adehabitat package to perform basic movement ecology analysis, in particular analysis of fractal dimension D. Developed functions could possibly be included in a future release of the adehabitat package itself. Detailed description Fractal dimension analysis is an useful tool to better understand not just the 'path tortuosity', in an animal's trajectory, but also the scale leve...
2010 Sep 15
0
[LLVMdev] Tutorial, LLVM assembly with fractals part I
Hi all, just a quick link for those interested in a tutorial about implementing Mandelbrot fractals in LLVM assembly: http://blog.zanopia.org/2010/09/understanding-llvm-assembly-with-fractals-part-i.html Cheers, Giorgio Regni
2004 Mar 05
0
fractal function
Hello Does any one know what is the complexity scale of fdim "fractal calculation function", I need to find O(N) function to do fractal calculation. Thanks a lot
2012 Sep 11
0
Detrended Fluctuation Analysis (fractal pkg) troubleshooting
I'm working with the DFA (detrended fluctuation analysis) function in the package fractal on postural sway data, and for the life of me can't get the results to turn out as they should given what my data looks like. The data resemble a random walk, but the Hurst exponent estimates that I'm getting at ~0.9 instead of ~1.4, which is the value a researcher I've been working...
2002 Aug 10
2
fractals
Dear R People: Does anyone have any code for Fractals, chaos, or anything like that, please? This is strictly for demo purposes...decorative only. This is R version 1.5.1 for Windows. Thank you in advance! Have a great weekend! Sincerely, Erin Hodgess Associate Professor Department of Computer and Mathematical Sciences University of Houston - D...
2004 Apr 12
2
fractal calculation using fdim
Hello I am getting this Error in slopeopt(AllPoints, Alpha) : Object "LineP" not found when the dim(<data.frame>) of the data matrix for which the fdim is being calculated hits a certain values depending on the data set. e.g print(dim(mat)) fd <- fdim(mat,q=2) [1] 2743 2 [1] 2742 3 [1] 2741 4 [1] 2740 5 [1] 2739 6 [1] 2738 7 [1] 2737 8 [1] 2736 9 [1] 2735
2003 Sep 17
3
Fractals in R and having fun! (and more persp and color)
Well, I started playing with fractals in R, and wrote a function to generate de Mandelbrot set, which might be of interest to some people ########################################################################### # Mandelbrot set ########################################################################### mandelbrot <- function(x...
1999 Oct 14
0
Fractal dimension for R ?
Hello to everybody, Does anyone know if the Fractal dimension (an MDS technique looking the intrinsic dimension of data) is available for R? Thanks in advance, joaquin --- Joaqu?n Ordieres Mer? http://www.unirioja.es/dptos/dim ?rea Proyectos de Ingenier?a e-mail:joaquin.ordieres at dim.unirioja.es Dpto. Ingenier?a...
2012 Mar 22
0
problems with cygnus fractal extreme
...wine. Bruce, who is the programmer of it, told me he would be happy to make whatever changes are necessary to make it work with wine, so if it's something on his end, could somebody on the team reach out to him and help him get it going? his website is: http://cygnus-software.com/ I love fractals, and want to take full advantage of my i7 on my imac and would really love to use his software but i absolutely will not go running windows to do so...