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Dear Ivana. Do you also have a problem with the shorthand expression "Rietveld Refinement"? If so, you might try my joke that Rietveld is already refined :-) I think you can use such apparent mis-statements to teach your students what is really refined - neither data nor datum. Alan ________________________________ Dr Alan Hewat, NeutronOptics Grenoble, FRANCE (from phone) alan.he...@neutronoptics.com +33.476984168 VAT:FR79499450856 http://NeutronOptics.com/hewat _______________________________ On Tue, 16 Jan 2024, 17:17 Norberto Masciocchi, < norberto.mascioc...@uninsubria.it> wrote: > Il 16/01/2024 17:06, EVANS, IVANA R. ha scritto: > > Dear All, > Data shold be NEVER refined, no matter whether "data£ is considered > singular or plural. It's the model which is refined. > Beyound this, "data" is plural, as it is the plural of "datum". > https://dictionary.cambridge.org/dictionary/english/datum > > Norberto > > Dear Alan/All, > > I have a problem with that shorthand expression, particularly in teaching > and training contexts, because students quickly equate this to “refining > the data”. Countless research papers, even coming from reputable groups and > published in reputable journals, contain statements that “X-ray data > were/was refined…”. > > Being old-fashioned, I can just about take “data” in singular. However, > “refining one’s experimental data points” is a different matter. > > Best, > Ivana > > > ********************************************************************** > > Ivana Radosavljevic Evans > > Professor in Structural/Materials Chemistry > > Department of Chemistry > > Durham University > > Durham DH1 3LE, U.K. > > Office: CG 244 > > Phone: (0191) 334-2594 > > ********************************************************************** > > On 16 Jan 2024, at 15:47, Alan W Hewat <alan.he...@neutronoptics.com> > <alan.he...@neutronoptics.com> wrote: > > > *[EXTERNAL EMAIL]* > "QPA Profile Refinement" is shorthand for "QPA (using the) Profile (method > of) Refinement :-) > > Yes, it is the phase composition that is refined, by fitting the profile, > but I see no problem with the shorthand expression. > > ________________________________ > Dr Alan Hewat, NeutronOptics > Grenoble, FRANCE (from phone) > alan.he...@neutronoptics.com > +33.476984168 VAT:FR79499450856 > http://NeutronOptics.com/hewat <http://neutronoptics.com/hewat> > _______________________________ > > > On Tue, 16 Jan 2024, 16:38 , <alberto.martine...@spin.cnr.it> wrote: > >> Il 2024-01-16 16:21 Alan W Hewat ha scritto: >> > >> > And for those who worry about pedantry, "Rietveld Refinement" is just >> > shorthand for the "Rietveld (method of) Refinement. It involves the >> > refinement of the crystal structure, not Rietveld :-) >> >> Indeed! :-) Nonetheless, whatever the analysis, the profile is never >> refined, it is fitted. So I would avoid the misleading use of “profile >> refinement”. >> >> not a big deal, just terminology. Having said my opinion, I return to >> silently follow this interesting discussion. >> Alberto >> > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > Please do NOT attach files to the whole list > <alan.he...@neutronoptics.com> <alan.he...@neutronoptics.com> > Send commands to <lists...@ill.fr> <lists...@ill.fr> eg: HELP as the > subject with no body text > The Rietveld_L list archive is on > http://www.mail-archive.com/rietveld_l@ill.fr/ > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > > > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > Please do NOT attach files to the whole list <alan.he...@neutronoptics.com> > <alan.he...@neutronoptics.com> > Send commands to <lists...@ill.fr> <lists...@ill.fr> eg: HELP as the subject > with no body text > The Rietveld_L list archive is on > http://www.mail-archive.com/rietveld_l@ill.fr/ > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > > > > -- > Norberto Masciocchi > Professor of Chemistry > Department of Science and High Technology & To.Sca.Lab. > University of Insubria > Via Valleggio, 11 > 22100 Como - Italy > E-mail: norberto.mascioc...@uninsubria.it > Tel: +39-031-2386613 > Skype: norberto.masciocchi > Website: toscalab.uninsubria.it > ****************************************** > Hago cosas que me quitan un poco el mal gusto del vacío. > Y ésa es en el fondo la mejor definición del homo sapiens (J. Cortàzar) > ****************************************** > Justice is nothing more than the advantage of the stronger (Thrasymachus) > ****************************************** > Freedom is just another word for nothing is left to lose (K. Kristofferson) > > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > Please do NOT attach files to the whole list <alan.he...@neutronoptics.com > > > Send commands to <lists...@ill.fr> eg: HELP as the subject with no body > text > The Rietveld_L list archive is on > http://www.mail-archive.com/rietveld_l@ill.fr/ > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > >
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Please do NOT attach files to the whole list <alan.he...@neutronoptics.com> Send commands to <lists...@ill.fr> eg: HELP as the subject with no body text The Rietveld_L list archive is on http://www.mail-archive.com/rietveld_l@ill.fr/ ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++