Description:
Command-line operators for netCDF and HDF files
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Type: Formula
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Latest Version: 5.3.6@0
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Tracked Since: Oct 28, 2025
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Links:
Homepage |
formulae.brew.sh
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Category: Developer tools
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Tags:
netcdf
hdf
scientific-computing
data-analysis
climate-data
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Install:
brew install nco
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About:
NCO (netCDF Operators) is a suite of command-line programs that facilitate the manipulation and analysis of scientific data stored in netCDF and HDF formats. It provides high-level operations like averaging, slicing, and hyperslab selection directly on large datasets without needing to load them entirely into memory. This tool is essential for researchers and data scientists working with climate, oceanographic, and atmospheric model outputs.
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Key Features:
- Command-line interface for batch processing and automation
- Supports netCDF3, netCDF4, HDF4, and HDF5 file formats
- Memory-efficient processing of large multi-dimensional arrays
- Mathematical and statistical operators for data analysis
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Use Cases:
- Extracting specific time ranges or spatial regions from climate model outputs
- Calculating monthly or yearly averages from daily sensor data
- Merging multiple netCDF files into a single dataset
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Alternatives:
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CDO
– Climate Data Operators is a similar tool with a focus on meteorological data, often offering faster performance for specific operations.
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Python (xarray)
– A library offering a more programmatic and interactive approach, ideal for complex analysis workflows but requires a Python environment.
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