It's actually possible to place pure Julia vectors in a DataFrame, which might 
be convenient in this case. But you could always just store the columns in a 
Vector{Any}, which is what the DataFrame does behind the scenes anyway.

 -- John

On Apr 17, 2014, at 2:27 PM, Stefan Karpinski <[email protected]> wrote:

> A DataFrame does seem like a good option, but those have NA support that you 
> may not need. Can you elaborate a little more on the use case? Is it a fixed 
> set of column names and types? Or will you need to support different schemas?
> 
> 
> On Thu, Apr 17, 2014 at 5:16 PM, Stéphane Laurent <[email protected]> 
> wrote:
> Hello,
> 
>  I need to deal with some objects represented as arrays whose some columns 
> are BigFloat, some columns are Int, some columns are logical. Is it a good 
> idea to use a DataFrame ? Is there a better solution ?This is for a 
> computationally intensive program.
> 

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