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PoPE (Population Profile Estimator) analyzes spatial distribution or internal spatial structure problems of samples of astronomical systems. This population-based Bayesian inference model uses the conditional statistics of spatial profile of multiple observables assuming the individual observations are measured with errors of varying magnitude. Assuming the conditional statistics of the observables can be described with a multivariate normal distribution, the model reduces to the conditional average profile and conditional covariance between all observables. The method consists of two steps: (1) reconstructing the average profile using non-parametric regression with Gaussian Processes and (2) estimating the property profiles covariance given a set of independent variable. PoPE is computationally efficient and capable of inferring average profiles of a population from noisy measurements without stacking and binning nor parameterizing the shape of the average profile.
HIPP (HIgh-Performance Package for scientific computation) provides elegant interfaces for some well-known HPC libraries. Some libraries are wrapped with full-OOP interfaces, and many new extensions based on those raw-interfaces are also provided. This C++ toolkit for HPC can significantly reduce the length of your code, making programming more productive.