Support for Arima x13 seasonal adjusment funtions via package seasonal

[gustavorubim]

library(seasonal)
a <- (a ts object)
b <- seas(a)

broom::tidy(b)
Error in as.data.frame.default(x) :
cannot coerce class ""seas"" to a data.frame
In addition: Warning message:
In tidy.default(b) :
No method for tidying an S3 object of class seas , using as.data.frame

[christophsax]

I added an experimental data.frame argument to summary.seas in seasonal 1.4, which is now on CRAN. This gives you what you would get with broom::tidy.

But I see it would be probably nicer to implement an as.data.frame method, so the default tidy method would work as well, without a need for specific broom methods.

[alexpghayes]

Hey @christophsax I just read christophsax/seasonal#192. It looks like you have some nice tidy implementations already -- we're actually starting to encourage people to implement tidy, glance and augment in modelling packages themselves rather than broom. Would you be willing to do that with seasonal?

When people do this there's a bit of fun registering methods in case broom also gets loaded. We could help out with that if you're interested.

[christophsax]

Is it possible to do that without the need to Imports broom? Suggests would be fine.

No problem to that, but it may take a little while.

[alexpghayes]

It is. Planning to add some resources on how to do this in the next couple days, will let you know when I put them up.

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