******************************************************************************* Wed Sep 7 16:34:12 2011 FIT: data read from 'pg1633_compare.dat' using ($9-$12):($9-$8) #datapoints = 5 residuals are weighted equally (unit weight) function used for fitting: f(x) fitted parameters initialized with current variable values Iteration 0 WSSR : 1.70814 delta(WSSR)/WSSR : 0 delta(WSSR) : 0 limit for stopping : 1e-05 lambda : 1.66815 initial set of free parameter values a = 1 b = 1 After 4 iterations the fit converged. final sum of squares of residuals : 0.00746715 rel. change during last iteration : -4.146e-07 degrees of freedom (FIT_NDF) : 3 rms of residuals (FIT_STDFIT) = sqrt(WSSR/ndf) : 0.0498904 variance of residuals (reduced chisquare) = WSSR/ndf : 0.00248905 Final set of parameters Asymptotic Standard Error ======================= ========================== a = 2.34464 +/- 0.08061 (3.438%) b = 0.185122 +/- 0.03773 (20.38%) correlation matrix of the fit parameters: a b a 1.000 b -0.961 1.000