Le vendredi 25 novembre 2016 à 00:35 -0800, programista...@gmail.com a
écrit :
> How to convert Char  to Float? What wrong ?
Use parse(Float64, string(x)), with x the Char.


Regards


> julia> eltype(sort(unique(dane[:,4]))[3])
> Char
> 
> julia> (sort(unique(dane[:,4]))[3])
> "-.097"
> 
> julia> convert(Float64(sort(unique(dane[:,4]))[3]))
> ERROR: MethodError: `convert` has no method matching
> convert(::Type{Float64}, ::UTF8String)
> This may have arisen from a call to the constructor Float64(...),
> since type constructors fall back to convert methods.
> Closest candidates are:
>   call{T}(::Type{T}, ::Any)
>   convert(::Type{Float64}, ::Int8)
>   convert(::Type{Float64}, ::Int16)
>   ...
>  in call at essentials.jl:56
> 
> paul

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