[R] Cross-correlation

[Kaspar Pflugshaupt]

On 17.4.2002 16:55 Uhr, Sven Garbade wrote:

> I want to recalculate an analysis found in a paper. An empirical time
> series (velocities, altogether 241 data values) were cross-correlated
> with an invertited cosine function (200 milliseconds duration).
> Following the authors the resulting values should offer some advantages:
> being independent of gain and peak latency differences between single
> trials and preserving the temporal aspect of the modulation. Is there a
> function to calculate cross-correlations in R? I think cor() is ot the
> right one.

You need the function ccf() in library(ts).

Cheers

Kaspar Pflugshaupt


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Kaspar Pflugshaupt
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