--- name: nbodykit-cosmology-analyzer description: nbodykit large-scale structure analysis skill for N-body simulations and galaxy surveys allowed-tools: - Bash - Read - Write - Edit - Glob - Grep metadata: specialization: physics domain: science category: cosmology phase: 6 --- # Nbodykit Cosmology Analyzer ## Purpose Provides expert guidance on nbodykit for large-scale structure analysis, including power spectrum estimation and correlation function calculations. ## Capabilities - Power spectrum estimation (FFT-based) - Correlation function computation - Halo finding and mass functions - Particle mesh operations - Mock catalog generation - MPI parallelization ## Usage Guidelines 1. **Data Loading**: Load simulation or survey data 2. **Power Spectrum**: Estimate power spectra with FFT methods 3. **Correlation Functions**: Compute two-point correlations 4. **Halo Catalogs**: Work with halo finder outputs 5. **Mock Generation**: Create mock galaxy catalogs ## Tools/Libraries - nbodykit - Corrfunc - halotools