Hi Tyler,

Could you tests if it is also reproduced using the 'ellipsoid'. Since
the parallel (diff_data.dpar) and perpendicular components of the
diffusion tensors don't exist in the 'ellpisoid', the error might not
arise, but other errors might be unmasked...

Regards,


Séb






Tyler Reddy wrote:
> Hi Seb,
>
> I just tested 'oblate' and it produces the same error output.
>
> Tyler
>
>
> Quoting Sébastien Morin <[EMAIL PROTECTED]>:
>
>> Hi Tyler,
>>
>> Do you get the same error when trying the 'oblate' or 'ellipsoid'
>> diffusion tensors ?
>>
>>
>> Sébastien
>>
>>
>> Tyler Reddy wrote:
>>> I'm having an issue with the full_analysis.py script. It seems to work
>>> fine when
>>> DIFF_MODEL = 'local_tm' or 'sphere' (converges on 4th round) but for
>>> 'prolate'
>>> I get the following output:
>>>
>>> Grid search
>>> ~~~~~~~~~~~
>>>
>>> Searching the grid.
>>> Traceback (most recent call last):
>>>   File "/Applications/relax-1.3.1/relax-1.3/relax", line 408, in
>>> <module>
>>>     Relax()
>>>   File "/Applications/relax-1.3.1/relax-1.3/relax", line 125, in
>>> __init__
>>>     self.interpreter.run(self.script_file)
>>>   File "/Applications/relax-1.3.1/relax-1.3/prompt/interpreter.py",
>>> line 270, in
>>> run
>>>     return run_script(intro=self.__intro_string, local=self.local,
>>> script_file=script_file, quit=self.__quit_flag,
>>> show_script=self.__show_script,
>>> raise_relax_error=self.__raise_relax_er
>>>   File "/Applications/relax-1.3.1/relax-1.3/prompt/interpreter.py",
>>> line 531, in
>>> run_script
>>>     return console.interact(intro, local, script_file, quit,
>>> show_script=show_script, raise_relax_error=raise_relax_error)
>>>   File "/Applications/relax-1.3.1/relax-1.3/prompt/interpreter.py",
>>> line 427, in
>>> interact_script
>>>     execfile(script_file, local)
>>>   File "full_analysis.py", line 673, in <module>
>>>     Main(self.relax)
>>>   File "full_analysis.py", line 284, in __init__
>>>     grid_search(inc=inc)
>>>   File "/Applications/relax-1.3.1/relax-1.3/prompt/minimisation.py",
>>> line 152,
>>> in grid_search
>>>     minimise.grid_search(lower=lower, upper=upper, inc=inc,
>>> constraints=constraints, verbosity=verbosity)
>>>   File
>>> "/Applications/relax-1.3.1/relax-1.3/generic_fns/minimise.py", line
>>> 185,
>>> in grid_search
>>>     grid_search(lower=lower, upper=upper, inc=inc,
>>> constraints=constraints,
>>> verbosity=verbosity)
>>>   File
>>> "/Applications/relax-1.3.1/relax-1.3/specific_fns/model_free/mf_minimise.py",
>>>
>>> line 479, in grid_search
>>>     self.minimise(min_algor='grid', lower=lower, upper=upper, inc=inc,
>>> constraints=constraints, verbosity=verbosity, sim_index=sim_index)
>>>   File
>>> "/Applications/relax-1.3.1/relax-1.3/specific_fns/model_free/mf_minimise.py",
>>>
>>> line 987, in minimise
>>>     results = generic_minimise(func=self.mf.func, dfunc=self.mf.dfunc,
>>> d2func=self.mf.d2func, args=(), x0=param_vector, min_algor=min_algor,
>>> min_options=min_options, func_tol=func_tol, g
>>> l, maxiter=max_iterations, A=A, b=b, full_output=1,
>>> print_flag=verbosity)
>>>   File
>>> "/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/minfx/generic.py",
>>>
>>> line 319, in generic_minimise
>>>     xk, fk, k = grid(func=func, args=args, grid_ops=min_options,
>>> A=A, b=b, l=l,
>>> u=u, c=c, print_flag=print_flag)
>>>   File
>>> "/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/minfx/grid.py",
>>>
>>> line 129, in grid
>>>     f = func(*(params,)+args)
>>>   File "/Applications/relax-1.3.1/relax-1.3/maths_fns/mf.py", line
>>> 506, in
>>> func_diff
>>>     self.diff_data.calc_di(data, self.diff_data)
>>>   File
>>> "/Applications/relax-1.3.1/relax-1.3/maths_fns/direction_cosine.py",
>>> line
>>> 64, in calc_spheroid_di
>>>     data.dz = dot(data.xh_unit_vector, diff_data.dpar)
>>> TypeError: unsupported operand type(s) for *: 'NoneType' and 'float'
>>>
>>>
>>>
>>>
>>> Quoting Edward d'Auvergne <[EMAIL PROTECTED]>:
>>>
>>>
>>>> Hi,
>>>>
>>>> For the bug you mention, I've fixed this and the changes are in the
>>>> repository.  There were a few other issues to do with subsequent LaTeX
>>>> compilation and these have been fixed too.  You can see the new sample
>>>> script at:  http://svn.gna.org/viewcvs/relax/1.3/sample_scripts/
>>>>
>>>> Regards,
>>>>
>>>> Edward
>>>>
>>>>
>>>> On Tue, Oct 21, 2008 at 3:44 AM, Tyler Reddy <[EMAIL PROTECTED]> wrote:
>>>>
>>>>> Hello,
>>>>>
>>>>> 1) I changed that line and I'm still having a bit of trouble (see
>>>>> output
>>>>> below).
>>>>>
>>>>> 2) The errors that I'm using are described as 'the standard error
>>>>> for each
>>>>> parameter... [which] is an easy calculation from the covariance
>>>>> matrix.'
>>>>> Paraphrasing from the author there--I'm guessing this isn't the
>>>>> optimal
>>>>> input?
>>>>>
>>>>> 3) I'm not sure it's explicitly stated in the manual, but I'm
>>>>> proceeding on
>>>>> the
>>>>> assumption that you run the multi-model script first and then
>>>>> modsel to
>>>>> decide
>>>>> on the right model for each given residue. A few weeks ago I was
>>>>> experimenting
>>>>> with this and if I didn't leave the global correlation time as
>>>>> fixed the
>>>>> computation seemed to take a VERY long time (unclear if it was
>>>>> ever going to
>>>>> finish).
>>>>>
>>>>> Also, as a side note, since my peptide is actually in a micelle,
>>>>> I'm not
>>>>> sure if
>>>>> there's anything extra I can do for diffusion tensor and
>>>>> correlation time
>>>>> type
>>>>> stuff. I know some programs (i.e. the Mathematica notebooks by Dr.
>>>>> Spyracopoulos) read in PDB files for diffusion tensor
>>>>> calculations, but I
>>>>> suspect it's a bit of a mess when the system is more complicated
>>>>> than the
>>>>> structure in the PDB file would suggest.
>>>>>
>>>>> Output:
>>>>>
>>>>> Latex()
>>>>> ----------------------------------------------------------------------------------------------------
>>>>>
>>>>>
>>>>> relax> pipe.create(pipe_name='results', pipe_type='mf')
>>>>>
>>>>> relax> results.read(file='results', dir=None)
>>>>> Opening the file 'results' for reading.
>>>>> Traceback (most recent call last):
>>>>>  File "/Applications/relax-1.3.1/relax-1.3/relax", line 408, in
>>>>> <module>
>>>>>   Relax()
>>>>>  File "/Applications/relax-1.3.1/relax-1.3/relax", line 125, in
>>>>> __init__
>>>>>   self.interpreter.run(self.script_file)
>>>>>  File "/Applications/relax-1.3.1/relax-1.3/prompt/interpreter.py",
>>>>> line 270,
>>>>> in
>>>>> run
>>>>>   return run_script(intro=self.__intro_string, local=self.local,
>>>>> script_file=script_file, quit=self.__quit_flag,
>>>>> show_script=self.__show_script,
>>>>> raise_relax_error=self.__raise_relax_error)
>>>>>  File "/Applications/relax-1.3.1/relax-1.3/prompt/interpreter.py",
>>>>> line 531,
>>>>> in
>>>>> run_script
>>>>>   return console.interact(intro, local, script_file, quit,
>>>>> show_script=show_script, raise_relax_error=raise_relax_error)
>>>>>  File "/Applications/relax-1.3.1/relax-1.3/prompt/interpreter.py",
>>>>> line 427,
>>>>> in
>>>>> interact_script
>>>>>   execfile(script_file, local)
>>>>>  File "latex_mf_table.py", line 220, in <module>
>>>>>   Latex()
>>>>>  File "latex_mf_table.py", line 68, in __init__
>>>>>   self.table_body()
>>>>>  File "latex_mf_table.py", line 186, in table_body
>>>>>   self.file.write("%9.3f & %9.3f & " % (spin.s2, spin.s2_err))
>>>>> AttributeError: 'SpinContainer' object has no attribute 's2_err'
>>>>>
>>>>>
>>>>>
>>>>> Quoting Edward d'Auvergne <[EMAIL PROTECTED]>:
>>>>>
>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> Using a new system test, I found one more bug in the script. 
>>>>>> This has
>>>>>> been fixed in the 1.3 repository line.  If you haven't used
>>>>>> subversion
>>>>>> to check out (and update) the 1.3 line, then you can see the changes
>>>>>> required in my commit at:
>>>>>>
>>>>>> https://mail.gna.org/public/relax-commits/2008-10/msg00402.html
>>>>>>
>>>>>> Just change the line starting with '-' to the line starting with
>>>>>> '+'.
>>>>>> Oh, it may take a few minutes for the link to be generated.
>>>>>>
>>>>>> Regards,
>>>>>>
>>>>>> Edward
>>>>>>
>>>>>>
>>>>>> On Mon, Oct 20, 2008 at 10:12 PM, Edward d'Auvergne
>>>>>> <[EMAIL PROTECTED]> wrote:
>>>>>>
>>>>>>> Hi,
>>>>>>>
>>>>>>> That's a bug in the sample script.  Try adding a ':' character
>>>>>>> to the
>>>>>>> end of line 171 in your script.  I've fixed this in the 1.3
>>>>>>> repository
>>>>>>> line and will try to add a system test to the program to try to
>>>>>>> catch
>>>>>>> any bugs before you do ;)
>>>>>>>
>>>>>>> Cheers,
>>>>>>>
>>>>>>> Edward
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> On Mon, Oct 20, 2008 at 9:27 PM, Tyler Reddy <[EMAIL PROTECTED]> wrote:
>>>>>>>
>>>>>>>> I've been trying to use the latex python script on the aic
>>>>>>>> results file.
>>>>>>>> I get
>>>>>>>> the syntax error below. Not sure if I'm doing something wrong
>>>>>>>> or if
>>>>>>>> there's
>>>>>>>> just a small problem with that line of code:
>>>>>>>>
>>>>>>>> Latex()
>>>>>>>>
>>>>>>>> ----------------------------------------------------------------------------------------------------
>>>>>>>>
>>>>>>>> Traceback (most recent call last):
>>>>>>>>  File "/Applications/relax-1.3.1/relax-1.3/relax", line 408, in
>>>>>>>> <module>
>>>>>>>>   Relax()
>>>>>>>>  File "/Applications/relax-1.3.1/relax-1.3/relax", line 125, in
>>>>>>>> __init__
>>>>>>>>   self.interpreter.run(self.script_file)
>>>>>>>>  File "/Applications/relax-1.3.1/relax-1.3/prompt/interpreter.py",
>>>>>>>> line 270, in
>>>>>>>> run
>>>>>>>>   return run_script(intro=self.__intro_string, local=self.local,
>>>>>>>> script_file=script_file, quit=self.__quit_flag,
>>>>>>>> show_script=self.__show_script,
>>>>>>>> raise_relax_error=self.__raise_relax_error)
>>>>>>>>  File "/Applications/relax-1.3.1/relax-1.3/prompt/interpreter.py",
>>>>>>>> line 531, in
>>>>>>>> run_script
>>>>>>>>   return console.interact(intro, local, script_file, quit,
>>>>>>>> show_script=show_script, raise_relax_error=raise_relax_error)
>>>>>>>>  File "/Applications/relax-1.3.1/relax-1.3/prompt/interpreter.py",
>>>>>>>> line 427, in
>>>>>>>> interact_script
>>>>>>>>   execfile(script_file, local)
>>>>>>>>  File "latex_mf_table.py", line 171
>>>>>>>>   for spin, spin_id in spin_loop(return_id=True)
>>>>>>>> SyntaxError: invalid syntax
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> Quoting Edward d'Auvergne <[EMAIL PROTECTED]>:
>>>>>>>>
>>>>>>>>
>>>>>>>>> On Mon, Oct 20, 2008 at 5:12 PM, Tyler Reddy <[EMAIL PROTECTED]>
>>>>>>>>> wrote:
>>>>>>>>>
>>>>>>>>>> Hello,
>>>>>>>>>>
>>>>>>>>>> 1)
>>>>>>>>>>
>>>>>>>>>> I have been using the multi model and model selection scripts in
>>>>>>>>>> relax 1.3.2 but
>>>>>>>>>> I have trouble displaying the output in a tabulated format. Both
>>>>>>>>>> scripts seem
>>>>>>>>>> to produce an xml document with various headers that isn't
>>>>>>>>>> easy to
>>>>>>>>>> read. It
>>>>>>>>>> looks like format='columnar' isn't supported. I wonder what
>>>>>>>>>> other
>>>>>>>>>> options I
>>>>>>>>>> have to look at this data? For some reason, I don't recall
>>>>>>>>>> having
>>>>>>>>>> this problem
>>>>>>>>>> on a Linux machine a few weeks ago (using a Mac OS 10.4 at the
>>>>>>>>>> moment), but
>>>>>>>>>> anyways it would be nice to get readable model-free output.
>>>>>>>>>>
>>>>>>>>> The results file is now in XML format and the more readable
>>>>>>>>> 'columnar'
>>>>>>>>> format has been removed from the 1.3 line.  With the change to
>>>>>>>>> the new
>>>>>>>>> XML results file all the contents of a data pipe, irrespective
>>>>>>>>> of what
>>>>>>>>> that data is, is packaged.  So you can put data into this pipe
>>>>>>>>> yourself and it will save that information (for advanced users,
>>>>>>>>> complex python objects will need the to_xml() and from_xml()
>>>>>>>>> methods
>>>>>>>>> to package and unpackage the data).  The reason for removing the
>>>>>>>>> 'columnar' format was that it was considered too inflexible
>>>>>>>>> for the
>>>>>>>>> changes occuring in the 1.3 line, it contained duplicate
>>>>>>>>> information,
>>>>>>>>> had numerical precision issues, and there were alternatives to
>>>>>>>>> easily
>>>>>>>>> view this data.  You can use the value.display() and
>>>>>>>>> value.write()
>>>>>>>>> user functions to display and save the results for a single
>>>>>>>>> parameter.
>>>>>>>>> If needed, these user functions could be extended to accept a
>>>>>>>>> list of
>>>>>>>>> parameters.
>>>>>>>>>
>>>>>>>>> Then there is the sample_scripts/latex_mf_table.py sample
>>>>>>>>> script which
>>>>>>>>> will generate a LaTeX table of the model-free results.  This
>>>>>>>>> file can
>>>>>>>>> be copied and modified - this requires learning a bit of
>>>>>>>>> python - to
>>>>>>>>> format and display the results any way you wish.  And finally if
>>>>>>>>> anyone really wants to, and has the skills to, they can modify
>>>>>>>>> this
>>>>>>>>> sample script to recreate a version of the 'columnar' format. 
>>>>>>>>> This
>>>>>>>>> could be added to the relax sample scripts, and if their
>>>>>>>>> skills are
>>>>>>>>> very advanced, then much code from the 1.2 relax versions can be
>>>>>>>>> recycled.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>> 2)
>>>>>>>>>>
>>>>>>>>>> The error input for the relaxation rate parameters is
>>>>>>>>>> currently my
>>>>>>>>>> non-linear
>>>>>>>>>> curve fitting standard deviation. I'm not sure if that means
>>>>>>>>>> subsequent
>>>>>>>>>> analysis will be completely incorrect? I guess it depends on the
>>>>>>>>>> comparison of
>>>>>>>>>> magnitude between these errors and the type of error that is
>>>>>>>>>> propagated by
>>>>>>>>>> relax during its own curve-fitting (which I am unable to do
>>>>>>>>>> at the
>>>>>>>>>> moment).
>>>>>>>>>>
>>>>>>>>> I'm guessing this is the sum of squared error value (SSE) from
>>>>>>>>> the
>>>>>>>>> fit.  Or is it a regression coefficient or a chi-squared
>>>>>>>>> value?  Did
>>>>>>>>> the fitting use a technique such as bootstrapping or jackknife
>>>>>>>>> simulations to estimate the parameter errors via propagation? 
>>>>>>>>> Or did
>>>>>>>>> it use the covariance matrix?  If it is the SSE, chi-squared, or
>>>>>>>>> regression coefficient then that value cannot be used.  This
>>>>>>>>> will be
>>>>>>>>> wildly wrong and cause massive failure in model selection.  It
>>>>>>>>> will
>>>>>>>>> cause big problems in optimisation, and if you are unlucky and
>>>>>>>>> have
>>>>>>>>> spaces with long, curved valleys or flat curved spaces leading
>>>>>>>>> to the
>>>>>>>>> minimum (that's model-free models m5 to m8 in most cases and
>>>>>>>>> not so
>>>>>>>>> uncommon in model m4) then the minimum can be squeezed and
>>>>>>>>> appear in
>>>>>>>>> another completely different region in the space.  It will
>>>>>>>>> likely also
>>>>>>>>> cause model failure issues, which although removed by the
>>>>>>>>> eliminate()
>>>>>>>>> user function, might discount the best solution.  I would
>>>>>>>>> guess that
>>>>>>>>> all of this will have a measurable affect on the final diffusion
>>>>>>>>> tensor as well and, if so, this will cause the appearance of
>>>>>>>>> artificial motions (my 2007 JBNMR paper at
>>>>>>>>> http://dx.doi.org/10.1039/b702202f explains these problems in
>>>>>>>>> detail).
>>>>>>>>> If one is not careful with the errors and they are
>>>>>>>>> significantly off,
>>>>>>>>> then the result is that the results may not be real.  So I
>>>>>>>>> would only
>>>>>>>>> use the error if it comes from an established error propagation
>>>>>>>>> technique (i.e. from data to parameter error propagation).
>>>>>>>>>
>>>>>>>>> Regards,
>>>>>>>>>
>>>>>>>>> Edward
>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> _______________________________________________
>>>>>>>> relax (http://nmr-relax.com)
>>>>>>>>
>>>>>>>> This is the relax-users mailing list
>>>>>>>> relax-users@gna.org
>>>>>>>>
>>>>>>>> To unsubscribe from this list, get a password
>>>>>>>> reminder, or change your subscription options,
>>>>>>>> visit the list information page at
>>>>>>>> https://mail.gna.org/listinfo/relax-users
>>>>>>>>
>>>>>>>>
>>>>>
>>>>>
>>>>>
>>>
>>>
>>>
>>>
>>> _______________________________________________
>>> relax (http://nmr-relax.com)
>>>
>>> This is the relax-users mailing list
>>> relax-users@gna.org
>>>
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>>> reminder, or change your subscription options,
>>> visit the list information page at
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>>>
>>>
>>
>>
>>
>> _______________________________________________
>> relax (http://nmr-relax.com)
>>
>> This is the relax-users mailing list
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>
>
>
>



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