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To cite spifa in publications, please cite both the methodology paper and the package:
Chacón-Montalván EA, Parry L, Giorgi E, Torres P, Orellana JDY, Moraga P, Taylor BM (2025). “Mapping food insecurity in the Brazilian Amazon using a spatial item factor analysis model.” The Annals of Applied Statistics, 19(4), 3438–3463. doi:10.1214/25-AOAS2072.
Chacón-Montalván EA (2026). spifa: Bayesian Spatial Item Factor Analysis. R package version 0.1.0, https://github.com/ErickChacon/spifa.
Corresponding BibTeX entries:
@Article{,
title = {Mapping food insecurity in the {B}razilian {A}mazon using
a spatial item factor analysis model},
author = {Erick A. Chacón-Montalván and Luke Parry and Emanuele
Giorgi and Patricia Torres and Jesem Douglas Yamall Orellana and
Paula Moraga and Benjamin M. Taylor},
journal = {The Annals of Applied Statistics},
year = {2025},
volume = {19},
number = {4},
pages = {3438--3463},
doi = {10.1214/25-AOAS2072},
}
@Manual{,
title = {{spifa}: Bayesian Spatial Item Factor Analysis},
author = {Erick A. Chacón-Montalván},
year = {2026},
note = {R package version 0.1.0},
url = {https://github.com/ErickChacon/spifa},
}
These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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