[R] partial analisys of a time series

[arun]

HI,
You can subset by:
birthstimeseriesJan<-subset(birthstimeseries,cycle(birthstimeseries)==1)
A.K.




----- Original Message -----
From: Antonio Silva <aolinto.lst at gmail.com>
To: R-help at r-project.org
Cc: 
Sent: Tuesday, December 4, 2012 4:26 AM
Subject: [R] partial analisys of a time series

Dear list members

I want to analyze separately the months of a time series. In other words, I
want to plot and fit models for each month separately.

Taking the example of
http://a-little-book-of-r-for-time-series.readthedocs.org/en/latest/src/timeseries.html

births <- scan("http://robjhyndman.com/tsdldata/data/nybirths.dat")
birthstimeseries <- ts(births, frequency=12, start=c(1946,1))
birthstimeseries
plot.ts(birthstimeseries)
birthstimeseriesHW <- HoltWinters(birthstimeseries)
plot(birthstimeseriesHW)

How to proceed the plotting and HoltWinters smoothing considereing only
Januarys, Februarys, etc. separately.

Thanks in advance.

Antonio Olinto

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