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Data2LD (version 3.2.1)

Functional Data Analysis with Linear Differential Equations

Description

Provides methods for using differential equations as modelling objects as described in J. Ramsay G. and Hooker (2017,ISBN 978-1-4939-7188-6) Dynamic Data Analysis, New York: Springer. Data sets and script files for analyzing many of the examples in this book are included. This version corrects bugs and adds two new demos, CruiseControl and monotoneSmoothDemo. This version incorporates a new system for indexing coefficient list objects. The step of setting up a set of coefficient list objects has been eliminated and the functions make.Coef() and coefCheck have been dropped. 'Matlab' versions of the code and sample analyses are available by ftp from the website. There you find a set of .zip files containing the functions and sample analyses, as well as two .txt files giving instructions for installation and some additional information.

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Version

Install

install.packages('Data2LD')

Monthly Downloads

15

Version

3.2.1

License

GPL (>= 2)

Maintainer

James Ramsay

Last Published

August 5th, 2020

Functions in Data2LD (3.2.1)

Compute the four-way tensors corresponding to pairs of terms in the homogeneous portions of systems of linear differential equations.

Data2LD2-package

A short title line describing what the package does

Compute the four-way tensors corresponding to pairs of terms in the homogeneous portions of systems of linear differential equations.

Compute the four-way tensors corresponding to pairs of forcing terms in systems of linear differential equations.

Evaluate the mean of squared errors data-fitting criterion and its gradient for a system of linear differential equations.

Optimize the mean of squared errors data-fitting criterion for a system of linear differential equations.

Reflux and tray level in a refinery

Acceleration of brain tissue before and after a blow to the head.

CanadianWeather

Canadian average annual weather cycle

Check linear differential equation specifications.

Put values in a parameter vector into the coefficient specifications within a model List object.

Extract the master parameter vector from a model list object.

Check homogeneous term specifications for a linear differential equation.

Check a list of linear differential equation specifications.

Check each specification in list of forcing term specifications for a linear differential equation.

Positions of the tip of a pen in centimeters while writing in cursive script the letters "fda" twenty times.

A function to evaluate the derivatives with respect to the coefficients of the exponential of a functional data object.

Display the definition of each variable in a system of linear differential equations.

Berkeley Growth Study data

A function to evaluate the exponential of a functional data object.