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Weighted and unweighted linear fit 1.0

  Date Added: April 13, 2013  |  Visits: 223

Weighted and unweighted linear fit

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This code fits makes a linear fit to a data set (using y =bx+a) where each data point% has a different or constant standard deviation. Your data should have three or two columns.% The first column should be the independent variable(x) and the second% column should be the dependent variable(y). Column three should contain% your standard deviations for each datapoint. In the situations where you% do not specify a column three, the code assigns a weight of one to all% data points and this corresponds to the regular linear fits.%==========% INPUTS%==========%data = 3 columns; column 1 = x, column2 = y and column 3 = standard dev.%==========%OUTPUTS%==========%Result.slope= b; Fitted slope%Result.Intercept = a; Fitted intercept%Coded by Ebo Ewusi-Annan (University of Florida, 2011)%============%REFERENCES%===========%1. Willam H. Press, Saul A. Teukolsky and Willan T. Vetterling (1997).%Numerical Recipes in Fortran.%2. Philip R. Bevington and D. Keith Robinson (2003). Data Reduction and%Error Analysis for the Physical Sciences.

Requirements: No special requirements
Platforms: Matlab
Keyword: 3d3d3d3d3d3d3d3d3d3d3d 3d3d3d3d3d3d3d3d3d3d3d3d Coded Ewusiannan Florida Intercept Outputs References University Willam
Users rating: 0/10

License: Shareware Size: 10 KB
WEIGHTED AND UNWEIGHTED LINEAR FIT RELATED
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