Hi,
I have a monthly time series with missing values and I would use stl function to identify seasonality. 
I tried all settings of na.action but the result is the same:

 stl(tm245,s.window=11, na.action=na.pass)
Error in stl(tm245, s.window = 11, na.action = na.pass) : 
        NA/NaN/Inf in foreign function call (arg 1)

Can you help me?

Thanks 

Andrea Toreti
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