squat0.5.0 package

Statistics for Quaternion Temporal Data

append

QTS Sample Concatenation

autoplot.prcomp_qts

Plot for prcomp_qts objects

autoplot.qts_sample

Plot for qts_sample objects

autoplot.qts

Plot for qts objects

autoplot.qtsclust

Plot for qtsclust objects

centring

QTS Centering and Standardization

dbscan

QTS Nearest-Neighbor Clustering

differentiate

QTS Differentiation

dist

QTS Distance Matrix Computation

dot-qts

Operator - for qts Objects

DTW

Dynamic Time Warping for Quaternion Time Series

exp

QTS Exponential

hclust

QTS Hierarchical Agglomerative Clustering

hemispherize

QTS Hemispherization

inverse_qts

Inverse Operator for qts Objects

kmeans

QTS K-Means Alignment Algorithm

log

QTS Logarithm

mean.qts_sample

QTS Geometric Mean

median.qts_sample

QTS Geometric Median

moving_average

QTS Moving Average

normalize

QTS Normalization

plot.prcomp_qts

Plot for prcomp_qts objects

plot.qts_sample

Plot for qts_sample objects

plot.qts

Plot for qts objects

plot.qtsclust

Plot for qtsclust objects

plus-.qts

Operator + for qts Objects

prcomp.qts_sample

PCA for QTS Sample

predict.prcomp_qts

Predict QTS from PCA decomposition

qts_sample

QTS Sample Class

qts

QTS Class

qts2aamts

QTS Transformation to Angular Acceleration Magnitude Time Series

qts2aats

QTS Transformation to Angle-Axis Time Series

qts2aavts

QTS Transformation to Angular Acceleration Vector Time Series

qts2ats

QTS Transformation To Angle Time Series

qts2avmts

QTS Transformation to Angular Velocity Magnitude Time Series

qts2avvts

QTS Transformation to Angular Velocity Vector Time Series

qts2dts

QTS Transformation To Distance Time Series

qts2nts

QTS Transformation To Norm Time Series

qts2rpyts

QTS Transformation to Roll-Pitch-Yaw Time Series

qts2sqts

QTS Transformation to Smoothed Quaternion Time Series

reorient

QTS Reorientation

resample

QTS Resampling

rnorm_qts

QTS Random Sampling

scale

QTS Sample Centering and Standardization

smooth

QTS Smoothing via SLERP Interpolation

squat-package

squat: Statistics for Quaternion Temporal Data

straighten

QTS Straightening

times-.qts

Operator * for qts Objects

An implementation of statistical tools for the analysis of rotation-valued time series and functional data. It relies on pre-existing quaternion data structure provided by the 'Eigen' 'C++' library.

  • Maintainer: Aymeric Stamm
  • License: GPL (>= 3)
  • Last published: 2026-01-15