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Coordinated Networks Detection on Social Media
Detects a variety of coordinated actions on social media and outputs the network of coordinated users along with related information.
Multiple Testing of Local Extrema for Detection of Change Points
Simultaneously detect the number and locations of change points in piecewise linear models under stationary Gaussian noise allowing autocorrelated random noise. The core idea is to transform the problem of detecting change points into the detection of local extrema (local maxima and local minima)through kernel smoothing and differentiation of the data sequence, see Cheng et al. (2020)
The Multiple Filter Test for Change Point Detection
Provides statistical tests and algorithms for the detection of change points in time series and point processes - particularly for changes in the mean in time series and for changes in the rate and in the variance in point processes. References - Michael Messer, Marietta Kirchner, Julia Schiemann, Jochen Roeper, Ralph Neininger and Gaby Schneider (2014), A multiple filter test for the detection of rate changes in renewal processes with varying variance
Bayesian Change Point Detection for High-Dimensional Data
Functions implementing change point detection methods using the maximum pairwise Bayes factor approach. Additionally, the package includes tools for generating simulated datasets for comparing and evaluating change point detection techniques.
Fast Principal Component Analysis for Outlier Detection
Methods to detect genetic markers involved in biological
adaptation. 'pcadapt' provides statistical tools for outlier detection based on
Principal Component Analysis. Implements the method described in (Luu, 2016)
Functions for the Detection of Spatial Clusters of Diseases
A set of functions for the detection of spatial clusters of disease using count data. Bootstrap is used to estimate sampling distributions of statistics.
Nonparametric Multiple Change Point Detection Using WBS
Implements the procedure from G. J. Ross (2021) - "Nonparametric Detection of Multiple Location-Scale Change Points via Wild Binary Segmentation"
Implementation of the Unsupervised Smooth Contour Line Detection for Images
An implementation of the Unsupervised Smooth Contour Detection algorithm for digital images as described in the paper: "Unsupervised Smooth Contour Detection" by Rafael Grompone von Gioi, and Gregory Randall (2016).
The algorithm is explained at
Abrupt Change-Point or Aberration Detection in Point Series
Offers an interactive function for the detection of breakpoints in series.
Penalty Learning
Implementations of algorithms from Learning Sparse Penalties for Change-point Detection using Max Margin Interval Regression, by Hocking, Rigaill, Vert, Bach < http://proceedings.mlr.press/v28/hocking13.html> published in proceedings of ICML2013.