Just read in and plot the data.  The NaN will not be plotted:

> input <- read.table(text = "x
+ 1 NaN
+ 2 NaN
+ 3 0.23
+ 4 .34
+ 5 .55
+ 6 .66
+ 7 NaN
+ 8 .88", header = TRUE)
> plot(input$x)
>



On Fri, May 3, 2013 at 9:49 AM, Vahe nr <vner75@gmail.com> wrote:

> Hi all,
>
> I have a big .csv file (21Mb with 1000000 rows) it has this shape:
> x
> 1 NaN
> 2 NaN
> 3 0.23
>
> and so on.....
>
> So the first column has x as a header then row number, the second column
> contains values between -1,1 and NaN for empty values.
>
> What should I need to do is: create a new .csv file from this one excluding
> NaN values and plot a line graph using the new .csv file.
>
> Or can I use the old .csv file to plot a graph excluding NaN values.
>
> Thanks in advance for any help or suggestions.
>
> Regards,
>  Vahe
>
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>
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> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>



-- 
Jim Holtman
Data Munger Guru

What is the problem that you are trying to solve?
Tell me what you want to do, not how you want to do it.

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