Robotham A, Obreschkow D (2015). Hyper-Fit: Fitting Linear Models to Multidimensional Data with Multivariate Gaussian Uncertainties, volume 32. https://hyperfit.icrar.org/.

Corresponding BibTeX entry:

  @Manual{,
    title = {Hyper-Fit: Fitting Linear Models to Multidimensional Data
      with Multivariate Gaussian Uncertainties},
    author = {A.S.G. Robotham and D. Obreschkow},
    year = {2015},
    journal = {PASA},
    volume = {32},
    pages = {33},
    url = {https://hyperfit.icrar.org/},
  }