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funcharts (version 1.7.0)

Functional Control Charts

Description

Provides functional control charts for statistical process monitoring of functional data, using the methods of Capezza et al. (2020) , Centofanti et al. (2021) , Capezza et al. (2024) , Capezza et al. (2024) , Centofanti et al. (2022) . The package is thoroughly illustrated in the paper of Capezza et al (2023) .

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install.packages('funcharts')

Monthly Downloads

362

Version

1.7.0

License

GPL-3

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Repository

https://github.com/unina-sfere/funcharts

Maintainer

Christian Capezza

Last Published

March 17th, 2025

Functions in funcharts (1.7.0)

Air quality data

control_charts_pca_mfd_real_time

Real-time T2 and SPE control charts for multivariate functional data

Covariance Function for Multivariate Functional Data

control_charts_pca

T2 and SPE control charts for multivariate functional data

control_charts_sof_pc_real_time

Real-time scalar-on-function regression control charts

Produce contribution plots

Bind variables of two Multivariate Functional Data Objects

Correlation Function for Multivariate Functional Data

control_charts_sof_pc

Control charts for monitoring a scalar quality characteristic adjusted for by the effect of multivariate functional covariates

Simulate multivariate functional data

Function-on-function linear regression based on principal components

funcharts-package

funcharts: Functional Control Charts

Get Multivariate Functional Data from a list of matrices

get_mfd_array_real_time

Get a list of functional data objects each evolving up to an intermediate domain point.

Get Multivariate Functional Data from a three-dimensional array

get_mfd_df_real_time

Get a list of functional data objects each evolving up to an intermediate domain point.

fof_pc_real_time

Get a list of function-on-function linear regression models estimated on functional data each evolving up to an intermediate domain point.

functional_filter

Finds functional componentwise outliers

Convert a fd object into a Multivariate Functional Data object.

Get Multivariate Functional Data from a data frame

get_sof_pc_outliers

Get possible outliers of a training data set of a scalar-on-function regression model.

inprod_mfd_diag

Inner product of two multivariate functional data objects, for each observation

Get out of control observations from control charts

Add the plot of a new multivariate functional data object to an existing plot.

get_mfd_list_real_time

Get a list of functional data objects each evolving up to an intermediate domain point.

Inner products of functional data contained in mfd objects.

get_outliers_mfd

Get outliers from multivariate functional data

Confirm Object has Class mfd

Mixed Functional Principal Component Analysis (mFPCA)

Mean Function for Multivariate Functional Data

pca_mfd_real_time

Get a list of multivariate functional principal component analysis models estimated on functional data each evolving up to an intermediate domain point.

plot.FRTM_PhaseI

Plot the results of the Phase I and the Phase II of the FRTM

plot.AMFCC_PhaseI

Plot the results of the Phase I and the Phase II of the AMFCC

Setting real-time registration step defaults

Multivariate functional principal components analysis

Norm of Multivariate Functional Data

Define a Multivariate Functional Data Object

Setting mixed functional principal component analysis (mFPCA) defaults

Plot a Multivariate Functional Data Object.

Plot a Bivariate Functional Data Object.

Setting open-end/open-begin functional dynamic time warping (OEB-FDTW) defaults

Plot multivariate functional object over the training data set

plot_control_charts

Plot control charts

Plot the results of the Mixed Functional Principal Component Analysis (mFPCA)

plot_control_charts_real_time

Plot real-time control charts

Bind replications of two Multivariate Functional Data Objects

Use a scalar-on-function linear regression model for prediction

plot_bootstrap_sof_pc

Plot bootstrapped estimates of the scalar-on-function regression coefficient

Use a function-on-function linear regression model for prediction

Simulate example data for funcharts

Plot the harmonics of a pca_mfd object

Scalar-on-Function Regression Control Chart

Robust multivariate functional principal components analysis

Simulate a data set for funcharts

regr_cc_sof_real_time

Real-time Scalar-on-Function Regression Control Chart

tensor_product_mfd

Tensor product of two Multivariate Functional Data objects

Functional Regression Control Chart

Get the index of the out of control observations from control charts

Standardize Multivariate Functional Data.

sof_pc_real_time

Get a list of scalar-on-function linear regression models estimated on functional data each evolving up to an intermediate domain point.

simulate_data_FRTM

Simulate data for real-time monitoring of univariate functional data

regr_cc_fof_real_time

Real-time functional regression control chart

Extract observations and/or variables from mfd objects.

Scalar-on-function linear regression based on principal components

Phase II of the Adaptive Multivariate Functional Control Chart (AMFCC).

Robust Multivariate Functional Control Charts - Phase I

Phase I of the Adaptive Multivariate Functional Control Chart (AMFCC).

Robust Multivariate Functional Data Imputation (RoMFDI)

Robust Multivariate Functional Control Charts - Phase II

Adaptive Multivariate Functional EWMA control chart - Phase I

Phase I of the FRTM method.

Open-end/open-begin Functional Dynamic Time Warping (OEB-FDTW)

Phase II of the FRTM method.

AMFEWMA_PhaseII

Adaptive Multivariate Functional EWMA control chart - Phase II