`%<>%`

isn’t exported by dplyr (only `%>%`

is). You need to load magrittr instead.

Your reproducible example is running into a subtle magrittr bug, which causes the evaluation of pipeline expressions to search for some operators in magrittr’s scope, rather than in the calling scope. That way, `x %<>% y %>% z`

, which evaluates as ``%>%`(x %<>% y, z)`

, finds and evaluates magrittr’s ``%<>%``

operator.

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