November 2017
Beginner
316 pages
6h 40m
English
Content preview from Learning Julia
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NA data type in DataArray
In the real world, we come across data with missing values. This functionality is provided in the DataFrames.jl package.
The DataFrames package brings with it DataArray packages, which provide the NA data type. Multiple dispatches is one of the most powerful features of Julia and NA is one such example.
Julia has the NA type, which provides the singleton object NA that we are using to represent missing values.
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