Hahaha, right, thanks!

On Sunday, October 12, 2014 3:10:56 PM UTC-4, John Myles White wrote:
>
> Use something like this: 
>
> julia> using DataFrames 
>
> julia> DataArray(Int, 10) 
> 10-element DataArray{Int64,1}: 
>  NA 
>  NA 
>  NA 
>  NA 
>  NA 
>  NA 
>  NA 
>  NA 
>  NA 
>  NA 
>
>  — John 
>
> On Oct 12, 2014, at 12:05 PM, Westley Hennigh <[email protected] 
> <javascript:>> wrote: 
>
> > Suppose that I want to create a new column of integers, default them all 
> to "not set" (in other words, NA), and then loop and initialize some of 
> them later. 
> > 
> > I can't just `df[:C] = NA` because then I'll have a column that's an 
> Array{NA,1}... 
> > 
> > So maybe I've got to do something like: 
> > df[:C] = fill!(Array(Any, size(df,1)), NA) 
> > 
> > But then I'm sort of breaking the DataFrame structure (as I understand 
> it). Underneath, the DataFrame is suppose to be a nicely typed set of 
> column arrays, with a separate set of columns that contain values that 
> indicate when something is missing. What I just produced is a column with a 
> very generic type where all values are set and some just happen to be the 
> special NA value. 
> > 
> > Is there a better way to do this? 
> > 
> > On Friday, May 16, 2014 7:10:06 AM UTC-4, Jason Solack wrote: 
> > Thank you! 
>
>

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