November 2017
Beginner
316 pages
6h 40m
English
Content preview from Learning Julia
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Working with DataFrames
What are DataFrames? They are basically a type of data structure that can hold the metadata about their data and hence they can be easily accessed as well as queried just like a database table does using SQL.
Julia provides a package named DataFrames.jl, which provides the necessary data structures for doing the job. It's the recommended source for doing DataFrame operations and as it's listed in the METADATA.jl. It can easily be downloaded as follows:
# install the package julia> Pkg.add("DataFrames") # first time load takes times due to precompilation julia> using DataFrames # check the functions provided by DataFrames julia> names(DataFrames) 254-element Array{Symbol,1}: :& Symbol("@csv2_str") Symbol("@csv_str") ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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