Hi Krisztina, Welcome to the relax-users mailing list. Before answering your question, I have to warn you that my opinion will be biased as I am the administrator for the project relax. You may get a few not-so-biased responses from others.
I have encountered that Modelfree4 error a long time ago but can't remember what the problem is. One way to solve these issues would be to use relax to control the Modelfree4 program. relax will create the input files for Modelfree4, execute the program, and then read the output. relax will also do this with Dasha. You can then apply all of the other model-free data analysis steps (such as model selection, etc.) using relax. However if you are using relax, you can use the inbuilt optimisation algorithms. These algorithms default to a much higher precision than both Dasha and Modelfree4. Although relax interfaces with Dasha and Modelfree4, these programs are not required. You can implement the full model-free data analysis chain, which ever one you wish, using relax. It should be flexible enough to not only implement standard model-free analysis, whatever that may be, but also many of the twists present in the literature. As for which program is better, relax is of course ;) As for which is more user friendly, as I wrote the program prior to turning it into an open community project - there is no way that I could possibly tell. However I have tried to design the program to be as simple as possible to use while at the same time being highly flexible. The relax manual in combination with the sample scripts should help you get started (along with some of the info at http://www.nmr-relax.com/). If you have any questions, don't hesitate to ask on this list. You can search to see if your question has been asked before at the bottom of the link http://www.nmr-relax.com/communication.html. Bye, Edward On 10/20/06, Krisztina Z. Bencze <[EMAIL PROTECTED]> wrote:
Hi All, I am new to this mailing list. I am struggling to get Modelfree4 working on my data. I got macros that will create the input files for me and even though the Modelfree4 manual says that the input files are free format files I get the error message: Error during input, file=mfpar ERROR = 9 Modelfree4 runs well with the testing files that come with it, but it would not run with my data. Should I turn to work with the program relax? I have never analyzed dynamics data so I cannot judge which program is better and more user-friendly. Thank you in advance, Krisztina Krisztina Z. Bencze, Ph.D. Research Associate Wayne State University Department of Biochemistry and Molecular Biology Scott Hall, Rm. # 4323 540 E. Canfield Ave. Detroit, MI, 48201 phone: (313) 577-0186 fax: (313) 577-2765 E-mail: [EMAIL PROTECTED]
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