[R] read .csv file and plot a graph

Jim Lemon jim at bitwrit.com.au
Sat May 4 06:56:39 CEST 2013

On 05/03/2013 11:49 PM, Vahe nr 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.
Hi Vahe,
If you want to plot the line ignoring the NaN values, rather than having 
the line break at each NaN, use this:


Jim (the other one)

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