qmcpack/labs/lab1_qmc_statistics/size/fit.log

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Fri Jul 11 14:04:02 2014
FIT: data read from "nelectron_tcpu.dat" using 1:2
#datapoints = 8
residuals are weighted equally (unit weight)
function used for fitting: f(x)
fitted parameters initialized with current variable values
Iteration 0
WSSR : 1.34735e+06 delta(WSSR)/WSSR : 0
delta(WSSR) : 0 limit for stopping : 1e-05
lambda : 228.495
initial set of free parameter values
a = 1
b = 1
c = 1
After 6 iterations the fit converged.
final sum of squares of residuals : 0.000714244
rel. change during last iteration : -1.06423e-07
degrees of freedom (FIT_NDF) : 5
rms of residuals (FIT_STDFIT) = sqrt(WSSR/ndf) : 0.0119519
variance of residuals (reduced chisquare) = WSSR/ndf : 0.000142849
Final set of parameters Asymptotic Standard Error
======================= ==========================
a = 0.00022426 +/- 4.242e-05 (18.91%)
b = 0.00395746 +/- 0.001425 (36.02%)
c = -0.000955289 +/- 0.009391 (983.1%)
correlation matrix of the fit parameters:
a b c
a 1.000
b -0.949 1.000
c 0.681 -0.828 1.000