Dear all,
Further to our recent conversations about Error Reporter I wanted to update you with a piece of work we have done. As a temporary measure it will be mandatory to include an e-mail address in the error report. It will only be in versions of Mantid from tomorrow onwards (so the next nightly to be published and v6.9 onwards). Our privacy policy has also been updated in line with these changes.
This is only intended as a stop gap measure to enable support to better respond to error reports. A more considered, long-term solution will be provided through the Epic which should be up for review in February.
If anyone has any queries about being asked for contact details please can they e-mail mantid-help(a)mantidproject.org<mailto:mantid-help@mantidproject.org> .
Many thanks
Sarah
Sarah Foxley
Mantid Team Leader and Mantid Project Manager
Science and Technology Facilities Council
Phone - 01235 446938
sarah.foxley(a)stfc.ukri.org<mailto:sarah.foxley@stfc.ukri.org>
She/Her/Hers
[stfc_logo]
Hi All,
Seems this is a good time, according to the Doodle Poll
The Mantid Epics board can be found here: https://isisneutronmuon.atlassian.net/jira/software/c/projects/SS/boards/5
Many thanks,
Jonathan
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Dear all,
As part of the work to complete the Error Reporter Epic for our next prioritisation meeting error reports over a 4 week period from mid-September to mid-October were looked at. Of all the reports submitted only 3% were actionable - i.e. only 3% had contact information to be able to request further information to try and resolve them and/or provided sufficient information to enable us to reproduce the error.
Clearly this highlights how important it is to overhaul the error reporting system. However, even if the epic comes up at the next prioritisation meeting in February (as we currently plan) we are unlikely to be able to start work until the summer. Even then we might not get a solution in place before the end of 2024.
As a result I wonder if it would be possible for you to highlight this issue with your networks? The hope being we can improve on this figure a little before the new Error Reporter is in place. If we are only able to respond to around 3% of error reports then it is no wonder we have gained a reputation for not doing anything. We have a much higher response rate for e-mails through to mantid-help(a)mantidproject.org<mailto:mantid-help@mantidproject.org> so I would recommend people use this rather than relying on the error reporter.
I have also highlighted this research to our partners on the Mantid Technical Working Group so that they can highlight the issue with their networks at the other facilities.
Many thanks
Sarah
Sarah Foxley
Mantid Team Leader and Mantid Project Manager
Science and Technology Facilities Council
Phone - 01235 446938
sarah.foxley(a)stfc.ukri.org<mailto:sarah.foxley@stfc.ukri.org>
She/Her/Hers
[stfc_logo]
Dear Tom,
Here is an example of data, python script generated from mantid fitting (sent as txt as our mailing system does not like sending .py file) and a plot that shows how bad the fit is, although mantid believe this is a perfectly acceptable fit.
If you get the starting parameters near spot on, it will eventually refine.
This is trying to fit a back to back expo, typical of time of flight data on a diffractometer (but I have seen similar things with simple gaussian!)
Other programs (also using LM methods) do a good job. in particular, the python fitting routines seem to do the job.
Hope this helps,
P
Dr Pascal Manuel
ISIS Pulsed Neutron and Muon Facility
STFC Rutherford Appleton Laboratory
Chilton
Oxfordshire OX11 0QX
United Kingdom
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________________________________
From: Hampson, Thomas (STFC,RAL,ISIS) <thomas.hampson(a)stfc.ac.uk>
Sent: Wednesday, November 22, 2023 5:32 PM
To: ISIS Instrument Scientist <ISISInstsci(a)stfc.ac.uk>
Cc: Foxley, Sarah (STFC,RAL,ISIS) <sarah.foxley(a)stfc.ac.uk>; Farooq, Rabiya (STFC,RAL,ISIS) <Rabiya.Farooq(a)stfc.ac.uk>; Haigh, Jonathan (STFC,RAL,ISIS) <Jonathan.Haigh(a)stfc.ac.uk>
Subject: RE: Mantid fitting engine replacement
Hi All,
Many thanks to those of you who have replied so far with examples that demonstrate the limitations of our current fitting framework. I will respond to you individually shortly to make sure I have enough information to add them to the fitbenchmarking dataset.
If anyone else has any examples of problems they’ve had with fitting in Mantid then I would be grateful for your response. More data will help us make a better informed decision about the potential replacement of the fitting engine.
Regards,
Tom Hampson
From: Hampson, Thomas (STFC,RAL,ISIS)
Sent: 08 November 2023 12:38
To: ISIS Instrument Scientist <ISISInstsci(a)stfc.ac.uk>
Cc: Foxley, Sarah (STFC,RAL,ISIS) <sarah.foxley(a)stfc.ac.uk>; Farooq, Rabiya (STFC,RAL,ISIS) <Rabiya.Farooq(a)stfc.ac.uk>; Haigh, Jonathan (STFC,RAL,ISIS) <jonathan.haigh(a)stfc.ac.uk>
Subject: Mantid fitting engine replacement
Dear ISIS Instrument Scientists,
We are in the process of evaluating potential replacements for the Mantid fitting engine and need your input. We are seeking real examples that will help us quantify the limitations of the current engine.
Specifically, we would appreciate your feedback on any issues you've encountered with the Mantid fitting engine, such as:
- Sensitivity to initial parameter values
- Slow performance
- Getting stuck in local minima
To assist us in this evaluation, please provide examples with the following information:
- Fit function used
- Data used in the fit
- Fit range
- Initial parameter values
- Any additional information you believe is relevant
The data you provide will be used with the FitBenchmarking tool, maintained by RSE in ISIS. This will help us determine whether there is a more suitable replacement.
We also welcome any general feedback on the fitting in Mantid and the fitting interface.
The deadline for your input is the end of November.
Your contributions will greatly assist us in making informed decisions about the future of the Mantid fitting engine.
Thank you for your assistance.
Sincerely,
Tom Hampson (on behalf of the Mantid team)
Hi All,
This is the invite for the next MPB meeting, the agenda can be found here<https://stfc365.sharepoint.com/:f:/r/sites/MantidProgrammeBoard/Shared%20Do…>
All the best,
Jonathan
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From: Hampson, Thomas (STFC,RAL,ISIS) <thomas.hampson(a)stfc.ac.uk>
Sent: 08 November 2023 12:38
To: ISIS Instrument Scientist <ISISInstsci(a)stfc.ac.uk>
Cc: Foxley, Sarah (STFC,RAL,ISIS) <sarah.foxley(a)stfc.ac.uk>; Farooq, Rabiya (STFC,RAL,ISIS) <Rabiya.Farooq(a)stfc.ac.uk>; Haigh, Jonathan (STFC,RAL,ISIS) <Jonathan.Haigh(a)stfc.ac.uk>
Subject: Mantid fitting engine replacement
Dear ISIS Instrument Scientists,
We are in the process of evaluating potential replacements for the Mantid fitting engine and need your input. We are seeking real examples that will help us quantify the limitations of the current engine.
Specifically, we would appreciate your feedback on any issues you've encountered with the Mantid fitting engine, such as:
- Sensitivity to initial parameter values
- Slow performance
- Getting stuck in local minima
To assist us in this evaluation, please provide examples with the following information:
- Fit function used
- Data used in the fit
- Fit range
- Initial parameter values
- Any additional information you believe is relevant
The data you provide will be used with the FitBenchmarking tool, maintained by RSE in ISIS. This will help us determine whether there is a more suitable replacement.
We also welcome any general feedback on the fitting in Mantid and the fitting interface.
The deadline for your input is the end of November.
Your contributions will greatly assist us in making informed decisions about the future of the Mantid fitting engine.
Thank you for your assistance.
Sincerely,
Tom Hampson (on behalf of the Mantid team)
Edit: Updated the Kanban board link
Important: We have booked R3 G34 for this meeting
Hi all,
This is a meeting specifically focusing on the prioritization of Epics on the Mantid Programme Kanban board. Please remember to add any comments to the Epics prior to this meeting.
https://isisneutronmuon.atlassian.net/jira/software/c/projects/SS/boards/5
Kind Regards,
Rob
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Important: We have booked R3 G34 for this meeting
Hi all,
This is a meeting specifically focusing on the prioritization of Epics on the Mantid Programme Kanban board. Please remember to add any comments to the Epics prior to this meeting.
https://test-jira-3.atlassian.net/jira/software/c/projects/SS/boards/4?atlO…
Kind Regards,
Rob
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