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GIMP 3.0 plug-in for exporting JBIG2-encoded PDF files
JBIG2 is an efficient image compression format for bi-level (bi-tonal) images, which is supported by the PDF file format and common PDF viewers, but which lacks widely available tooling for its generation. GIMP is an open-source image editing suite, which has the capacity to output… »
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Python re-implementation of Cryptomator encryption scheme
Cryptomator is an open-source file-based encryption system. Encrypted data is stored as files which can be easily uploaded to arbitrary cloud storage services, and there is a one-to-one relationship between plaintext and encrypted files. In order to increase privacy, filenames are encrypted and there is… »
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SciPy distribution for the odds ratio of independent beta variables
In biostatistics, a common effect measure when considering dichotomous exposures and outcomes is the odds ratio. With two proportions $π_0$ and $π_1$, the odds ratio is $ψ = \frac{π_1 / (1 - π_1)}{π_0 / (1 - π_0)}$, as compared to the risk ratio,… »
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Directly computing HDIs from PDFs in SciPy
In Bayesian inference, it is often desired to calculate credible intervals for model parameters. The 2 common choices are the highest posterior density interval (HPD/HDI), and the equal-tailed interval. In many cases, the posterior density must be estimated by simulation, but in some cases the… »
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Beta ratio distribution for SciPy
The quotient of 2 independent beta-distributed random variables has a known distribution, but its closed-form expression is a little hairy [1, 2]. One Python implementation of this distribution is available from Julian Saffer [3], but it suffers from some numerical issues… »