PyQt-Fit Documentation
PyQt-Fit Documentation
Release 1.3.1 Barbier de Reuille, Pierre
August 08, 2014
Contents
1 Introduction to PyQt-Fit
3
2 Regression using the GUI - tutorial
5
2.1 Using the interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.2 Defining your own function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.3 Defining your own residual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3 Parametric regression tutorial
11
3.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.2 A simple example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.3 Confidence Intervals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.4 Defining the functions and residuals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.5 Using the functions/residuals defined for the GUI . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
4 Non-Parametric regression tutorial
21
4.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
4.2 A simple example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
4.3 Confidence Intervals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
4.4 Types of Regressions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
5 Kernel Density Estimation tutorial
31
5.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
5.2 A simple example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
5.3 Boundary Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
5.4 Methods for Bandwidth Estimation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
5.5 Transformations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
6 Modules of PyQt-Fit
39
6.1 Module pyqt_fit.plot_fit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
6.2 Module pyqt_fit.curve_fitting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
6.3 Module pyqt_fit.bootstrap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
6.4 Module pyqt_fit.nonparam_regression . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
6.5 Module pyqt_fit.npr_methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
6.6 Module pyqt_fit.kde . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
6.7 Module pyqt_fit.kde_methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
6.8 Module pyqt_fit.kernels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
6.9 Module pyqt_fit.utils . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
7 Indices and tables
69
i
Python Module Index
71
ii
PyQt-Fit Documentation, Release 1.3.1
PyQt-Fit is a regression toolbox in Python with simple GUI and graphical tools to check your results. It currently handles regression based on user-defined functions with user-defined residuals (i.e. parametric regression) or nonparametric regression, either local-constant or local-linear, with the option to provide your own. The GUI currently provides an interface only to parametric regression. Contents:
Contents
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