Linear fit with data uncertainty

2012 6 22
1 个回答
6 次查看（30 天）

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Hi
Fitting a polynomial in Matlab to some data (x, y) is easy using polyfit as e.g.
p_RvsT = polyfit(r_vs_t(:, 1), r_vs_t(:, 2), 1);
However, say that my y-data has some error assigned to it. I have searched the forum, but I can't find information on how to include the errors in the y-data. I would be very happy to be pointed in the correct direction.
Best, Niles.

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回答（1 个）

Sean de Wolski
Sean de Wolski 2012-6-22

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How about the additional outputs in regress? Or if you're on R2012a, LinearModel? (Both of these require the Statistics Toolbox)

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