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\textit{Oh, an empty article!}   test  You can get started by \textbf{double clicking} this text block and begin editing. You can also click the \textbf{Insert} button below to add new block elements. Or you can \textbf{drag and drop an image} right onto this text. Happy writing  One of the biggest hurdles faced by researchers dealing with simulation data is figuring out how to analyze said data. This problem is particularly bad for users of GADGET, as there is no standard format for output files, making it difficult to create a tool useful for anyone outside of your own team. This is in some ways an intrinsic problem for science; everyone is interested in a different aspect of a simulation’s output, and to save space, save only what they need, resulting in a different format every time. GADGET’s support for the HDF5 file protocol, however, provides at least a partial answer to this problem. If one can analyze an HDF5 file, they can perform exploratory analysis of that data without needing to know anything else about the file structure. The same cannot be said for GADGET’s alternative binary output format.   While use of the HDF5 data model provides a solid starting point, being able to read in a dataset is only the first step in performing useful, insight-generating analysis. Python is quickly becoming the language of choice for astronomers, and the analysis capabilities provided by the nascent pandas library will only strengthen that trend in the future. Pandas is a thoroughly documented, open-source, BSD-licensed library providing high-performance, easy-to-use data structures and data analysis tools for python with a strong community of developers.