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When generating terms from a formula, R seems to sometimes change the order of the variables:

> terms(~ strata:dayname:hour_local + treat_assign:dayname:hour_local) |> labels()

[1] "strata:dayname:hour_local"       "dayname:hour_local:treat_assign"

Is there any way to either prevent this reordering from happening, or to map between elements in the formula and the terms?

RoyalTS
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1 Answers1

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We could use reformulate:

R will order the terms alphabetically by default. We could control the order of the terms manually with reformulate().

reformulate(c("strata:dayname:hour_local", "treat_assign:dayname:hour_local"), response = ".")

~ strata:dayname:hour_local + treat_assign:dayname:hour_local
TarJae
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