[R] Plotting a date variable after GAM
shigesong at gmail.com
Wed Dec 14 17:31:04 CET 2011
That is a simple and effective solution. Thank you!
On Tue, Dec 13, 2011 at 4:16 PM, Jean V Adams <jvadams at usgs.gov> wrote:
> Shige Song wrote on 12/12/2011 07:49:39 PM:
>> Dear All,
>> I am fitting a simple GAM model using the "gam" function in the "mgcv"
>> package. The only independent variable is a continuous variable
>> representing the time of the event (in year and month) coded so that
>> "0" represents January 1960, "1" represents February 1960, etc. Now
>> when I try to plot the results, my x-axis ranges from "-200" to "200",
>> what I want is to convert these number into something like "1950-01"
>> or "Jan. 1950". What is the best way to do this?
>> Many thanks.
> How about decimal years? Would that suffice?
> yourdates <- -200:200
> dec.year <- 1960 + yourdates/12
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