param study dat files

[zaharko]

Jakub reported that he cannot read multiple dat files with this local pyzebra, while I can do it And I cannot plot any parameters after fitting the dat files neither with http://pyzebra.psi.ch:5006/ nor local pyzebra

[ivan-usov]

This issue happens when fitting can't find appropriate parameter values, thus not being able to estimate std_err. Since we print the results in "Export file preview", and use std_err as error bars in 'parameter plot', it causes the error you mentioned.

What I could do for the time being is to assign std_err to 0 for those cases, which is not really correct, but at least will allow to browse the results and refine the fitting initial values/ranges. Alternatively, I can remove such scans from the "Export file preview" and also ignore them in 'parameter plot'. What would be a better option for you?

[zaharko]

Dear Ivan,

Thank you for the today’s meeting! Would it be an option to keep them in ‘export file preview’ and ignore them in ’parameter plot’?

Best wishes Oksana

On 1 Feb 2022, at 17:32, Ivan Usov @.**@.>> wrote:

This issue happens when fitting can't find appropriate parameter values, thus not being able to estimate std_err. Since we print the results in "Export file preview", and use std_err as error bars in 'parameter plot', it causes the error you mentioned.

What I could do for the time being is to assign std_err to 0 for those cases, which is not really correct, but at least will allow to browse the results and refine the fitting initial values/ranges. Alternatively, I can remove such scans from the "Export file preview" and also ignore them in 'parameter plot'. What would be a better option for you?

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[ivan-usov]

I pushed the changes to the test server. Could you try it and see if the fix is appropriate?

[zaharko]

Hi Ivan, Yes, it is very good this way. Thank you! Oksana

On 2 Feb 2022, at 10:45, Ivan Usov @.**@.>> wrote:

I pushed the changes to the test server. Could you try it and see if the fix is appropriate?

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