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message: 'To cite package "qtsa" in publications use:'
type: software
license: MIT
title: 'qtsa: Quantum Time Series Analysis: Drift, Noise Spectroscopy and Calibration
  Forecasting'
version: 0.1.1
doi: 10.32614/CRAN.package.qtsa
abstract: Tools for exploratory statistical analysis of quantum-hardware calibration
  time series. The package provides simulators for random telegraph noise (RTN), power-law
  noise, and Ornstein-Uhlenbeck dephasing; Welch and sine-multitaper power spectral
  density estimators; a lightweight two-state hidden Markov model for switching signals;
  cumulative sum (CUSUM) and binary-segmentation diagnostics for calibration drift;
  residual-quantile interval forecasts; and filter-function calculations for illustrative
  coherence curves. The package includes a reproducible generator of simulated superconducting-qubit
  calibration records; it does not retrieve authenticated live provider data. Methodological
  background is provided by Welch (1967) <https://doi.org/10.1109/TAU.1967.1161901>,
  Thomson (1982) <https://doi.org/10.1109/PROC.1982.12433>, Rabiner (1989) <https://doi.org/10.1109/5.18626>,
  Page (1954) <https://doi.org/10.1093/biomet/41.1-2.100>, Paladino et al. (2014)
  <https://doi.org/10.1103/RevModPhys.86.361>, and Cywinski et al. (2008) <https://doi.org/10.1103/PhysRevB.77.174509>.
authors:
- family-names: Marvian Mashhad
  given-names: Leila
  email: leila.marveian@gmail.com
repository: https://leilamarvian.r-universe.dev
commit: 6751828438bd6b799f1c71900b21965aacd32f94
date-released: '2026-08-06'
contact:
- family-names: Marvian Mashhad
  given-names: Leila
  email: leila.marveian@gmail.com