055_ggradar: radar plots - object 'rescale' not found

[Mangolinux]

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vehicle_summary_tbl <- mpg %>% select(class, where(is_numeric), -year) %>% group_by(class) %>% summarise( across(displ:hwy, .fns = median) ) %>% ungroup() %>% rename(group = class) %>% mutate_at(vars(-group), rescale)

Error in is_fun_list(.funs) : object 'rescale' not found In addition: There were 11 warnings (use warnings() to see them)

warnings() Warning messages: 1: Deprecated 2: Deprecated 3: Deprecated 4: Deprecated 5: Deprecated 6: Deprecated 7: Deprecated 8: Deprecated 9: Deprecated 10: Deprecated 11: Deprecated