I was about to say DataArray{NAtype,1}. But then the type cannot be changed 
according to what is added to it, right ?
Then DataArray{Any,1}. Just as @data(["asdf" NA; NA 1.4]).

On Wednesday, 24 September 2014 16:25:17 UTC+2, John Myles White wrote:
>
> Naivete isn’t a big deal. Just try to be very precise. Any literal in 
> Julia should produce a value V of type T. 
>
> What’s the type T that @data([NA]) would produce? 
>
>  — John 
>
> On Sep 24, 2014, at 7:22 AM, muraveill <[email protected] <javascript:>> 
> wrote: 
>
> > To my naive view, a data array with cells containing ony value NA. Well, 
> it works with numbers, why not NA. The error thrown is the same in two 
> dimensions with arrays of length > 1. 
>
>

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