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fda (version 1.1.8)

Functional Data Analysis

Description

These functions were developed to support functional data analysis as described in Ramsay, J. O. and Silverman, B. W. (2005) Functional Data Analysis. New York: Springer. They were ported from earlier versions in Matlab and S-PLUS. A manual that describes the use of these functions is available in this library. The library also contains a number of the data sets used in the book along with R code for the analyses that produced many of the figures in the book.

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Version

Install

install.packages('fda')

Monthly Downloads

15,929

Version

1.1.8

License

GPL version 2 or later

Maintainer

S by Jim Ramsey

Last Published

September 17th, 2024

Functions in fda (1.1.8)

Exponential Basis Function Values

Computes Cross-validated Error Sum of Squares for a Functional Regression Model

Functional Canonical Correlation Analysis

Exponential Penalty Matrix

Evaluate Monomial Basis

fRegress.stderr

Compute Standard errors of Coefficient Functions Estimated by Functional Regression Analysis

Mark Intervals on a Plot Axis

Evaluate a Basis Penalty Matrix

create.constant.basis

Create a Constant Basis

Mean of Functional Data

Approximate Functional Data Using a Basis

Values of Basis Functions or their Derivatives

Center Functional Data

create.polygonal.basis

Create a Polygonal Basis

Plot Cycles for a Periodic Bivariate Functional Data Object

Compute Inner Products B-spline Expansions.

getbasispenalty

Evaluate a Roughness Penalty Matrix

Smooth a functional data object using a directly specified roughness penalty

Create a bivariate functional data object

Define a Functional Data Object

Define a Linear Differential Operator Object

create.exponential.basis

Create an Exponential Basis

Correlation matrix from functional data object(s)

Plot a Basis Object

Standard Deviation of Functional Data

Convert Discrete Data to Functional Data

Smooth Data with a Positive Function

Power Penalty Matrix

Fourier Basis Function Values

A Functional Regression Analysis of the Concurrent Type

Rotation of Functional Principal Components with VARIMAX Criterion

Plot Principal Component Scores

Add names to an object

Functional Principal Components Analysis

create.bspline.basis

Create a B-spline Basis

Summarize a Functional Parameter Object

FDA internal functions

B-spline Basis Function Values

Polygonal Basis Function Values

Polygonal Penalty Matrix

Summarize a Functional Data Object

Landmark Registration of Functional Observations

Make a Linear Differential Operator Object from a Vector

Hip and knee angle while walking

B-Spline Penalty Matrix

Confirm Object has Class "fdPar"

Variance, Covariance, and Correlation Surfaces for Functional Data Object(s)

smooth.monotone

Monotone Smoothing of Data

Intensity Function for Point Process

Plane-plane plot

Fourier Penalty Matrix

Convert Degrees of Freedom to a Smoothing Parameter Value

Values a Two-argument Functional Data Object

create.fourier.basis

Create a Fourier Basis

Summarize a Bivariate Functional Data Object

Values of a Monotone Functional Data Object

Evaluate Monomial Roughness Penalty Matrix

Rotation of Functional Canonical Components with VARIMAX

create.polynomial.basis

Create a Polynomial Basis

Confirm Object has Class "fd"

Confirm Object has Class "Lfd"

Evaluate the Diagonal of a Bivariate Functional Data Object

Numerical Solution mth Order Differential Equation System

Convert Integer to Linear Differential Operator

Fit Fully Functional Linear Model

Does the range of the input contain 0?

Define a Functional Parameter Object

Add Lines from Functional Data to a Plot

Estimates a Smooth Warping Function

Convert Smoothing Parameter to Degrees of Freedom

Principal Differential Analysis

Smooth a Functional Data Object Using an Indirectly Specified Roughness Penalty

Confirm Object is Class "Basisfd"

Compute GCV Criterion

Compute a Derivative of a Functional Data Object

Values of a Functional Data Object

Power Basis Function Values

Sum of Functional Data

create.power.basis

Create a Power Basis Object

Values of Basis Functions or their Derivatives

Plot a Functional Data Object With Data

Register Functional Data Objects Using a Continuous Criterion

create.monomial.basis

Create a Monomial Basis

Define a Functional Basis Object

Compute a Probability Density Function

Evaluate a Positive Functional Data Object

Inner products of Functional Data Objects.

Plot a Functional Data Object

Summarize a Linear Differential Operator Object

smooth.basisPar

Smooth Data Using a Directly Specified Roughness Penalty

Smooth Data with an Indirectly Specified Roughness Penalty

Rotate a Matrix of Component Loadings using the VARIMAX Criterion

CanadianWeather

Canadian average annual weather cycle

Berkeley Growth Study data

Reflux and tray level in a refinery

Cursive handwriting samples

monthAccessories

Numeric and character vectors to facilitate working with dates

melanoma 1936-1972

growth in height of one 10-year-old boy

Nondurable goods index

pinch force data