Origin Fitting Error Bars
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How To Add Error Bars In Origin
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What Are Error Bars
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Weighting method to calculate errors New Topic Reply to Topic Printer Friendly Author Topic a.abc.b35 175 Posts Posted-05/10/2011: 10:47:03 PM
How To Draw Error Bars By Hand
Origin Ver. and Service Release (Select Help-->About Origin): 8.0 SR0Operating how to calculate error bars in excel System:Win 7........Hi there. I am using the weighing method to calculate errors of fit parameters during non linear curve
How To Draw Error Bars On A Line Graph
fitting to my data.I have three columns, X, Y, Y_Error (Y_Error = sqrt(Y)) I found out that if I use the Y_Error column with the 'direct weighting' option, then I get http://www.originlab.com/doc/Origin-Help/FIt-with-Err-Weight reasonable values for the error bars instead of the instrumental error. I have read the documentation at [http://www.originlab.com/www/helponline/Origin/en/UserGuide/Fitting_with_Errors_and_Weighting.html]this address[/http://www.originlab.com/www/helponline/Origin/en/UserGuide/Fitting_with_Errors_and_Weighting.html] and also the origin help file but am not able to get a proper definition of this method. Can an expert help me out here please ?AB easwar USA 1861 Posts Posted-05/12/2011: 10:12:36 AM Hi AB,As the documentation page http://www.originlab.com/forum/topic.asp?TOPIC_ID=9405 indicates, the direct weight assigns weights to the points by directly multiplying with the values in your error bar column. So points with larger error values get more weighting/importance in the fitting process, and the fit line will tend to go closer to those points. The instrumental weight on the other hand uses the square of the reciprocal of the error values, so points with smaller error values will have more weight/importance.As to which method is suitable for the data is really up to how you understand and interpret your data, and what is typical for analysis of such data in your field of work. We cannot recommend which weighting method you should use.Hope this helps.EaswarOriginLab a.abc.b35 175 Posts Posted-05/12/2011: 1:17:14 PM Thanks Easwar for the reply. This helps. I am going to use the instrument error method. Thanks again.AB rayka Australia 1 Posts Posted-05/16/2011: 03:32:52 AM hi AB.. we have the same matter here. i wanted to create a new topic but i found yours. thanks. will try this way. Topic New Topic Reply to Top
Επιλέξτε τη γλώσσα σας. Κλείσιμο Μάθετε περισσότερα View this message in English Το YouTube εμφανίζεται http://www.youtube.com/watch?v=c6QFfbmMjWw στα Ελληνικά. Μπορείτε να αλλάξετε αυτή την προτίμηση παρακάτω. Learn more You're viewing YouTube in Greek. You can change this preference below. Κλείσιμο Ναι, θέλω να τη κρατήσω Αναίρεση error bars Κλείσιμο Αυτό το βίντεο δεν είναι διαθέσιμο. Ουρά παρακολούθησηςΟυράΟυρά παρακολούθησηςΟυρά Κατάργηση όλωνΑποσύνδεση Φόρτωση... Ουρά παρακολούθησης Ουρά __count__/__total__ Graphing: Origin 9: Plot Error Bars in 2D Graph OriginLab Corp. ΕγγραφήΕγγραφήκατεΚατάργηση how to calculate εγγραφής5.3835 χιλ. Φόρτωση... Φόρτωση... Σε λειτουργία... Προσθήκη σε... Θέλετε να το δείτε ξανά αργότερα; Συνδεθείτε για να προσθέσετε το βίντεο σε playlist. Σύνδεση Κοινή χρήση Περισσότερα Αναφορά Θέλετε να αναφέρετε το βίντεο; Συνδεθείτε για να αναφέρετε ακατάλληλο περιεχόμενο. Σύνδεση Μεταγραφή Στατιστικά στοιχεία 7.952 προβολές 8 Σας αρέσει αυτό το βίντεο; Συνδεθείτε για να μετρήσει η άποψή σας. Σύνδεση 9 1 Δεν σας αρέσει αυτό το βίντεο; Συνδεθείτε για να μετρήσει η άποψή σας. Σύνδεση 2 Φόρτωση... Φόρτωση... Μεταγραφή Δεν ήταν δυνατή η φόρτωση της διαδραστικής μετ
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