[R] cleaning up a vector
Peter Langfelder
peter.langfelder at gmail.com
Fri Oct 1 20:00:00 CEST 2010
On Fri, Oct 1, 2010 at 10:51 AM, <mlarkin at rsmas.miami.edu> wrote:
> I calculated a large vector. Unfortunately, I have some measurement error
> in my data and some of the values in the vector are erroneous. I ended up
> wih some Infs and NaNs in the vector. I would like to filter out the Inf
> and NaN values and only keep the values in my vector that range from 1 to
> 20. Is there a way to filter out Infs and NaNs in R and end up with a
> clean vector?
>
Two steps, starting from vector x
x1 = x[is.finite(x)];
x2 = x1[(x1 <= 20) & (x1 >= 1)];
>From what you say, x2 is the result you want. Just be aware that
dropping values will change the indexing.
Peter
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