Box-Cox transformation of data. More...

Data Types
interface	boxcox
	Transform a positive dataset with a Box-Cox power transformation. More...

interface	invboxcox
	Back-transformation of Box-Cox-transformed data. More...

Functions/Subroutines
real(sp) function, dimension(size(x))	boxcox_sp (x, lmbda, mask)

real(dp) function, dimension(size(x))	boxcox_dp (x, lmbda, mask)

real(sp) function, dimension(size(x))	invboxcox_1d_sp (x, lmbda, mask)

real(dp) function, dimension(size(x))	invboxcox_1d_dp (x, lmbda, mask)

real(sp) function	invboxcox_0d_sp (x, lmbda)

real(dp) function	invboxcox_0d_dp (x, lmbda)

Detailed Description

Box-Cox transformation of data.

This module contains routines to calculate the Box-Cox transformation as well as estimating the best exponent for the Box-Cox transformation

Changelog

March 2011, Matthias Cuntz
- modified Python code of Travis Oliphant (2002): boxcox, llf_boxcox
Dec 2019: Robert Schweppe:
- removed NR code (get_boxcox)

Copyright: Copyright 2005-2024, the CHS Developers, Sabine Attinger: All rights reserved. FORCES is released under the LGPLv3+ license

The UFZ (CHS) FORCES code is free software. You can redistribute it and/or modify it under the terms of the GNU General Public License as published by the free Software Foundation either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You received a copy of the GNU Lesser General Public License along with the UFZ CHS FORCES code. It can be found in the files COPYING and COPYING.LESSER provided with this software. The complete GNU license text can also be found at http://www.gnu.org/licenses/.

Function/Subroutine Documentation

real(dp) function, dimension(size(x)) mo_boxcox::boxcox_dp	(	real(dp), dimension(:), intent(in)	x,
		real(dp), intent(in)	lmbda,
		logical, dimension(:), intent(in), optional	mask
	)

private

Definition at line 154 of file mo_boxcox.f90.

real(sp) function, dimension(size(x)) mo_boxcox::boxcox_sp	(	real(sp), dimension(:), intent(in)	x,
		real(sp), intent(in)	lmbda,
		logical, dimension(:), intent(in), optional	mask
	)

private

Definition at line 122 of file mo_boxcox.f90.

real(dp) function mo_boxcox::invboxcox_0d_dp	(	real(dp), intent(in)	x,
		real(dp), intent(in)	lmbda
	)

private

Definition at line 289 of file mo_boxcox.f90.

real(sp) function mo_boxcox::invboxcox_0d_sp	(	real(sp), intent(in)	x,
		real(sp), intent(in)	lmbda
	)

private

Definition at line 263 of file mo_boxcox.f90.

real(dp) function, dimension(size(x)) mo_boxcox::invboxcox_1d_dp	(	real(dp), dimension(:), intent(in)	x,
		real(dp), intent(in)	lmbda,
		logical, dimension(:), intent(in), optional	mask
	)

private

Definition at line 226 of file mo_boxcox.f90.

real(sp) function, dimension(size(x)) mo_boxcox::invboxcox_1d_sp	(	real(sp), dimension(:), intent(in)	x,
		real(sp), intent(in)	lmbda,
		logical, dimension(:), intent(in), optional	mask
	)

private

Definition at line 189 of file mo_boxcox.f90.