.. note:: :class: sphx-glr-download-link-note Click :ref:`here ` to download the full example code .. rst-class:: sphx-glr-example-title .. _sphx_glr_examples_documentation_model_savemodelresult2.py: doc_model_savemodelresult2.py ============================= .. rst-class:: sphx-glr-script-out Out: .. code-block:: none [[Model]] ((Model(gaussian, prefix='g1_') + Model(gaussian, prefix='g2_')) + Model(exponential, prefix='exp_')) [[Fit Statistics]] # fitting method = leastsq # function evals = 46 # data points = 250 # variables = 8 chi-square = 1247.52821 reduced chi-square = 5.15507524 Akaike info crit = 417.864631 Bayesian info crit = 446.036318 [[Variables]] exp_amplitude: 99.0183282 +/- 0.53748735 (0.54%) (init = 162.2102) exp_decay: 90.9508861 +/- 1.10310509 (1.21%) (init = 93.24905) g1_amplitude: 4257.77318 +/- 42.3833640 (1.00%) (init = 2000) g1_center: 107.030954 +/- 0.15006784 (0.14%) (init = 105) g1_sigma: 16.6725753 +/- 0.16048161 (0.96%) (init = 15) g1_fwhm: 39.2609138 +/- 0.37790530 (0.96%) == '2.3548200*g1_sigma' g1_height: 101.880231 +/- 0.59217099 (0.58%) == '0.3989423*g1_amplitude/max(2.220446049250313e-16, g1_sigma)' g2_amplitude: 2493.41771 +/- 36.1694729 (1.45%) (init = 2000) g2_center: 153.270100 +/- 0.19466742 (0.13%) (init = 155) g2_sigma: 13.8069484 +/- 0.18679415 (1.35%) (init = 15) g2_fwhm: 32.5128783 +/- 0.43986659 (1.35%) == '2.3548200*g2_sigma' g2_height: 72.0455934 +/- 0.61722093 (0.86%) == '0.3989423*g2_amplitude/max(2.220446049250313e-16, g2_sigma)' [[Correlations]] (unreported correlations are < 0.100) C(g1_amplitude, g1_sigma) = 0.824 C(g2_amplitude, g2_sigma) = 0.815 C(exp_amplitude, exp_decay) = -0.695 C(g1_sigma, g2_center) = 0.684 C(g1_center, g2_amplitude) = -0.669 C(g1_center, g2_sigma) = -0.652 C(g1_amplitude, g2_center) = 0.648 C(g1_center, g2_center) = 0.621 C(g1_center, g1_sigma) = 0.507 C(exp_decay, g1_amplitude) = -0.507 C(g1_sigma, g2_amplitude) = -0.491 C(g2_center, g2_sigma) = -0.489 C(g1_sigma, g2_sigma) = -0.483 C(g2_amplitude, g2_center) = -0.476 C(exp_decay, g2_amplitude) = -0.427 C(g1_amplitude, g1_center) = 0.418 C(g1_amplitude, g2_sigma) = -0.401 C(g1_amplitude, g2_amplitude) = -0.307 C(exp_amplitude, g2_amplitude) = 0.282 C(exp_decay, g1_sigma) = -0.252 C(exp_decay, g2_sigma) = -0.233 C(exp_amplitude, g2_sigma) = 0.171 C(exp_decay, g2_center) = -0.151 C(exp_amplitude, g1_amplitude) = 0.148 C(exp_decay, g1_center) = 0.105 | .. code-block:: default ## import warnings warnings.filterwarnings("ignore") ## # import numpy as np from lmfit.model import save_modelresult from lmfit.models import ExponentialModel, GaussianModel dat = np.loadtxt('NIST_Gauss2.dat') x = dat[:, 1] y = dat[:, 0] exp_mod = ExponentialModel(prefix='exp_') pars = exp_mod.guess(y, x=x) gauss1 = GaussianModel(prefix='g1_') pars.update(gauss1.make_params()) pars['g1_center'].set(value=105, min=75, max=125) pars['g1_sigma'].set(value=15, min=3) pars['g1_amplitude'].set(value=2000, min=10) gauss2 = GaussianModel(prefix='g2_') pars.update(gauss2.make_params()) pars['g2_center'].set(value=155, min=125, max=175) pars['g2_sigma'].set(value=15, min=3) pars['g2_amplitude'].set(value=2000, min=10) mod = gauss1 + gauss2 + exp_mod init = mod.eval(pars, x=x) result = mod.fit(y, pars, x=x) save_modelresult(result, 'nistgauss_modelresult.sav') print(result.fit_report()) # .. rst-class:: sphx-glr-timing **Total running time of the script:** ( 0 minutes 0.058 seconds) .. _sphx_glr_download_examples_documentation_model_savemodelresult2.py: .. only :: html .. container:: sphx-glr-footer :class: sphx-glr-footer-example .. container:: sphx-glr-download :download:`Download Python source code: model_savemodelresult2.py ` .. container:: sphx-glr-download :download:`Download Jupyter notebook: model_savemodelresult2.ipynb ` .. only:: html .. rst-class:: sphx-glr-signature `Gallery generated by Sphinx-Gallery `_