[R] Extremum index from a sampling time series data

David Winsemius dwinsemius at comcast.net
Fri Jul 8 19:47:31 CEST 2011


On Jul 8, 2011, at 1:44 PM, FMH wrote:

> Dear All,
>
> I am working on a time series of hourly river flow measurements from  
> 2000 - 2003  and have been trying to compute the extremum index from  
> the original series as well as a new series from  sampling with  
> replacement . The extremum Index produced from the original data  
> series looks  fine but sadly, a strange value of index is given from  
> the sampling. The flow measurements are in range of 0.1 to 35m3/s  
> and are stored in data frame with the codes and  results are as  
> follows:
>
> ##########################
>
> ### Codes   ###
> attach(data)

Nope, no data. Consult the Posting Guide. See link below.

> Fir
> 	[[alternative HTML version deleted]]
>
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> and provide commented, minimal, self-contained, reproducible code.

David Winsemius, MD
West Hartford, CT



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