The default is now chi2_jacobian=False. You will hopefully see, that the errors are double.
Best Troels 2014-08-29 16:43 GMT+02:00 Edward d'Auvergne <[email protected]>: > Terrible ;) For R2eff, the correlation is 2.748 and the points are > spread out all over the place. For I0, the correlation is 3.5 and the > points are also spread out everywhere. Maybe I should try with the > change from: > > relax_disp.r2eff_err_estimate(chi2_jacobian=True) > > to: > > relax_disp.r2eff_err_estimate(chi2_jacobian=False) > > How should this be used? > > Cheers, > > Edward > > > > On 29 August 2014 16:33, Troels Emtekær Linnet <[email protected]> wrote: >> Do you mean terrible or double? >> >> Best >> Troels >> >> 2014-08-29 16:15 GMT+02:00 Edward d'Auvergne <[email protected]>: >>> Hi Troels, >>> >>> I really cannot follow and judge how the techniques compare. I must >>> be getting old. So to remedy this, I have created the >>> test_suite/shared_data/dispersion/Kjaergaard_et_al_2013/exp_error_analysis/ >>> directory (r25437, >>> http://article.gmane.org/gmane.science.nmr.relax.scm/23187). This >>> contains 3 scripts for comparing R2eff and I0 parameters for the 2 >>> parameter exponential curve-fitting: >>> >>> 1) A simple script to perform Monte Carlo simulation error analysis. >>> This is run with 10,000 simulations to act as the gold standard. >>> >>> 2) A simple script to perform covariance matrix error analysis. >>> >>> 3) A simple script to generate 2D Grace plots to visualise the >>> differences. Now I can see how good the covariance matrix technique >>> is :) >>> >>> Could you please check and see if I have used the >>> relax_disp.r2eff_err_estimate user function correctly? The Grace >>> plots show that the error estimates are currently terrible. >>> >>> Cheers, >>> >>> Edward >>> >>> _______________________________________________ >>> relax (http://www.nmr-relax.com) >>> >>> This is the relax-devel mailing list >>> [email protected] >>> >>> 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-devel _______________________________________________ relax (http://www.nmr-relax.com) This is the relax-devel mailing list [email protected] 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-devel
