Data import and processing Data import Retrieving data from imported files Input/Output functions Working with WorkspaceArray in Engee DataFrames.jl Sections DataFrames.jl First Steps with DataFrames.jl DataFrames User’s Guide DataFrames Getting Started Working with Data Frames Importing and Exporting Data (I/O) Database-Style Joins The Split-Apply-Combine Strategy Reshaping and Pivoting Data Sorting Categorical Data Missing Data Data manipulation frameworks Comparisons DataFrames API DataFrames Types DataFrames Functions Indexing Metadata DataFrames Internals File formats MAT.jl MAT Methods in MAT JLD2.jl Julia Data Format - JLD2 Custom Serialization Compression Internals & Design HDF5 Compatibility JLD2 Advanced Usage Legacy XLSX.jl Sections XLSX.jl XLSX Tutorial XLSX API Reference Migration Guides CSV.jl CSV.jl Documentation Reading Writing CSV Examples WAV.jl Introduction API