How to refer to non-standard column names in DataFrames.jl

dataframe julia

The DataFrames manual mentions the many ways of indexing available. For eg.


julia> df."Column 1"
5-element Vector{Int64}:
 1
 2
 3
 4
 5

julia> df[!, "Column 1"]
5-element Vector{Int64}:
 1
 2
 3
 4
 5

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