Modify existing TimeArrays

rename and rename!

The rename method allows the column name(s) to be changed. The rename! is used for in-place update.

julia> rename(cl, :Close′) |> first
1×1 TimeArray{Float64,1,Date,Array{Float64,1}} 2000-01-03 to 2000-01-03
│            │ Close′ │
├────────────┼────────┤
│ 2000-01-03 │ 111.94 │

julia> rename(cl, [:Close′]) |> first
1×1 TimeArray{Float64,1,Date,Array{Float64,1}} 2000-01-03 to 2000-01-03
│            │ Close′ │
├────────────┼────────┤
│ 2000-01-03 │ 111.94 │

julia> rename(ohlc, [:Open′, :High′, :Low′, :Close′]) |> first
1×4 TimeArray{Float64,2,Date,Array{Float64,2}} 2000-01-03 to 2000-01-03
│            │ Open′  │ High′ │ Low′   │ Close′ │
├────────────┼────────┼───────┼────────┼────────┤
│ 2000-01-03 │ 104.88 │ 112.5 │ 101.69 │ 111.94 │

julia> rename(ohlc, :Open => :Open′) |> first
1×4 TimeArray{Float64,2,Date,Array{Float64,2}} 2000-01-03 to 2000-01-03
│            │ Open′  │ High  │ Low    │ Close  │
├────────────┼────────┼───────┼────────┼────────┤
│ 2000-01-03 │ 104.88 │ 112.5 │ 101.69 │ 111.94 │

julia> rename(ohlc, :Open => :Open′, :Close => :Close′) |> first
1×4 TimeArray{Float64,2,Date,Array{Float64,2}} 2000-01-03 to 2000-01-03
│            │ Open′  │ High  │ Low    │ Close′ │
├────────────┼────────┼───────┼────────┼────────┤
│ 2000-01-03 │ 104.88 │ 112.5 │ 101.69 │ 111.94 │

julia> rename(ohlc, Dict(:Open => :Open′, :Close => :Close′)...) |> first
1×4 TimeArray{Float64,2,Date,Array{Float64,2}} 2000-01-03 to 2000-01-03
│            │ Open′  │ High  │ Low    │ Close′ │
├────────────┼────────┼───────┼────────┼────────┤
│ 2000-01-03 │ 104.88 │ 112.5 │ 101.69 │ 111.94 │

julia> rename(Symbol ∘ uppercase ∘ string, ohlc) |> first
1×4 TimeArray{Float64,2,Date,Array{Float64,2}} 2000-01-03 to 2000-01-03
│            │ OPEN   │ HIGH  │ LOW    │ CLOSE  │
├────────────┼────────┼───────┼────────┼────────┤
│ 2000-01-03 │ 104.88 │ 112.5 │ 101.69 │ 111.94 │

julia> rename(uppercase, ohlc, String) |> first
1×4 TimeArray{Float64,2,Date,Array{Float64,2}} 2000-01-03 to 2000-01-03
│            │ OPEN   │ HIGH  │ LOW    │ CLOSE  │
├────────────┼────────┼───────┼────────┼────────┤
│ 2000-01-03 │ 104.88 │ 112.5 │ 101.69 │ 111.94 │

rename(ta::TimeArray, colnames::Vector{Symbol})
rename(ta::TimeArray, colname::Symbol)
rename(ta::TimeArray, orig => new, ...)
rename(f::Base.Callable, ta, colnametyp)

rename!(ta::TimeArray, colnames::Vector{Symbol})
rename!(ta::TimeArray, colname::Symbol)
rename!(ta::TimeArray, orig => new, ...)
rename!(f::Base.Callable, ta, colnametyp)