Hello everyone,

I was wondering if anyone was aware of a way in which I could use ggplot's
stat_smooth() function for add an exponential moving average.

I was thinking that I could maybe use something like:

>myggplot + stat_smooth (method = 'HoltWinters( data , .9 , 0, 0)')

but my efforts were futile.

Perhaps there is a way to write my own custom method to throw into
stat_smooth??

Thanks,
- Mike

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