Please inspect your dplyr+database code
Win-Vector Blog 2017-12-02
Summary:
A note to dplyr with database users: you may benefit from inspecting/re-factoring your code to eliminate value re-use inside dplyr::mutate() statements. If you are using the R dplyr package with a database or with Apache Spark: I respectfully advise you inspect your code to ensure you are not using any values created inside a dplyr::mutate() … Continue reading Please inspect your dplyr+database code