[R] Odp: row data manipulation in data frame

Petr PIKAL petr.pikal at precheza.cz
Fri Jul 10 11:34:57 CEST 2009


Hi

maybe ?cumsum, or ?diff or ?aggregate

Regards
Petr

r-help-bounces at r-project.org napsal dne 10.07.2009 10:56:34:

> R users,
> I am a beginner in R.  I have a time series data on various macro 
variables
> like GDP, unemployment rate, consumer spending, imports, exports etc. I 
am
> interested in calculating  year over year growth rate for each of those
> variables. Is there any simple function in R for carrying out such 
repeated
> operations.
> 
> I would like to carry out growth rate between two consecutive yearly row
> data and also between current quarter and previous years quarterly 
value.
> 
> any help would be highly appreciated,
> 
> thanks in advance.
> 
> srinivas
> statistical analyst
> 
>    [[alternative HTML version deleted]]
> 
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