NEWS

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fdasrvf 2.3.3 (2024-10-04)

• bugfixes
• added vervose options throughout

fdasrvf 2.3.2 (2024-08-19)

• bugfixes
• add h representation of warping functions
• added h representation to jfpca

fdasrvf 2.3.1 (2024-07-18)

• fixes for ATLAS BLAS

fdasrvf 2.3

fdasrvf 2.3.0 (2024-07-16)

• fixed scaling in curve_karcher_mean
• parallelized curve_karcher_mean and curve_srvf_align
• updated sample_shapes and created curveboxplot (#39)
• bugfixes (#38)
• improved distance matrix computation (#45)
• refactor karcher mean (#40 and #47)
• updated README (#50)
• updated plotting routines
• add elastic changepoint functionselastic_amp_change_ff, elastic_ph_change_ff, and elastic_change_fpca

fdasrvf 2.2.0 (2024-01-24)

• bugfixes
• added curve_depth function (#31)
• clarification of multivariate functional data (#31 and #32)
• expanded calc_shape_dist for different pre-shape spaces
• expanded curve functions for different pre-shape spaces
• added predict functions to fpca to project new samples onto basis

fdasrvf 2.1.2 (2023-12-21)

• add rlbfgs c++ code (#30)

fdasrvf 2.1.1 (2023-12-16)

• bugfixes (#27)

fdasrvf 2.1.0 (2023-11-18)

• added elastic change point functions
• exposed SqrtMeanInverse and inv_exp_map to global (#29)
• bugfixes

fdasrvf 2.0.3 (2023-10-07)

• exposed lam to curve functions
• added gamma to shooting vector conversion functions
• bugfixes

fdasrvf 2.0.2 (2023-05-13)

• added dynamic grid to DP method (#25)
• update outputs to curve functions (#26)
• extend exp_map to n-d curves (#27)
• bugfixes

fdasrvf 2.0.1 (2023-03-03)

• Added functionalities to kmeans_align() (#24). Specifically:

  • it gains the argument use_verbose which allows the user to suppress information displayed in the console;
  • it includes a numeric vector storing the distances to corresponding center for each curve in the output;
  • it is now possible to use the medoid as centroid type as an alternative to the mean; the medoid is the most central curve among the existing curves.

• Further small improvements, documentation updates and improved code coverage (#23).

fdasrvf 2.0.0 (2023-02-24)

• Added multivariate kmeans (#18);
• Added additional penalties to warping and additional outputs exposed to bootTB() (#19);
• Switch from travis appveyor to GHA for CI and code coverage monitoring (#20);
• Bugfixes and documentation updates.

fdasrvf 1.9.8 (2022-06-07)

• bugfixes
• remove akima to interp

fdasrvf 1.9.7 (2021-06-21)

• bugfixes

fdasrvf 1.9.6 (2021-05-07)

• bugfixes

fdasrvf 1.9.5

• refactor pf curve functions
• add curve karcher median
• bugfixes

fdasrvf 1.9.4 (2020-10-09)

• add elastic depth functions

fdasrvf 1.9.3 (2020-03-07)

• fix gfortran issues

fdasrvf 1.9.2 (2019-07-31)

• update gropt library

fdasrvf 1.9.1

• Added tolerance bound functions

fdasrvf 1.9.0

• Added elastic principal component regression functions

fdasrvf 1.8.4

• centered rgam calculation
• fix bug in curve functions and image registration

fdasrvf 1.8.3 (2017-12-17)

• added bayesian alignment method by Y. Lu et. al
• added multiple functional alignment function
• bugfixes to curve alignment

fdasrvf 1.8.2 (2017-09-21)

• added objects for outputs of time_warping, boxplot, and pca functions
• added plot methods for the above objects
• added summary methods for the above objects
• added kmeans clustering and alignment based on Sangalli et al.
• multiple bugfixes

fdasrvf 1.8.1 (2017-04-30)

• fix boxplot functions documentation
• added quantile option
• updated surface plot for boxplot functions

fdasrvf 1.8.0 (2017-04-17)

• added phase and amplitude boxplot functions
• fixed issue with time_warping finding the median

fdasrvf 1.7.1

• fix memory leaks in bayesian c code
• update SqrtMean calculation to have more numerical accuracy

fdasrvf 1.7.0 (2016-09-15)

• added a pair align function for 1-D data
• added bayesian alignment for 1-D functions

fdasrvf 1.6.2 (2016-08-22)

• updated curve functions to support R^n
• cleaned up curve function for loops

fdasrvf 1.6.1 (2016-04-22)

• bug fixes to curve functions

fdasrvf 1.6.0 (2016-01-15)

• added open and closed curve function (N-D)

fdasrvf 1.5.2

• added image alignment functions and fix minor bugs

fdasrvf 1.5.1 (2015-11-16)

• added gropt optimization methods and alignment

fdasrvf 1.5.0

• added simul optimization method for reparam

fdasrvf 1.4.2 (2014-01-29)

• Fixed gradient bug

fdasrvf 1.4.1 (2013-02-25)

• Fixed bug in doParallel for windows computers
• Fixed numerical issues for high lambda for no warping required

fdasrvf 1.4 (2013-02-18)

• Fixed memory leak in Dynamic Programming algorithm
• Updated random gamma generation to use a Fourier basis on the tangent space
• Changed over parallel support to doParallel
• Fixed documentation error

fdasrvf 1.3 (2012-12-26)

• Fixed numerical issues
• Updated documentation

fdasrvf 1.2 (2012-11-15)

• Changed SRVF calculation to use splines for derivatives
• Added control to the amount of warping via lambda to the time_warping function
• Fixed documentation bugs and minor bugs in horizontal PCA calculation

fdasrvf 1.1 (2012-09-28)

• Updated so the parallel functions are windows compatible and windows binary can be compiled, now suggests doSNOW or doMC
• Added variance calculation to time_warping function

fdasrvf 1.0 (2012-09-11)

• Initial Version of Package