> fp is a data frame like this
>
> ,----[ fp ]
> | Frequenz AmpNorm
> | 1 3322 0.0379490639
> | 2 3061 0.0476033058
> | 3 2833 0.0592954124
> | 4 2242 0.1275510204
> `----
>
> i want to find the "Frequenz" where "AmpNorm" is max.
Use which.max.
fp <- data.frame(Freqenz=c(3322,3061,2833,2242),
AmpNorm=c(0.0379,0.0476,0.0592,0.1276))
index.of.max <- which.max(fp$AmpNorm)
fp$Freqenz[index.of.max]
Regards,
Richie.
Mathematical Sciences Unit
HSL
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