View source: R/dev_utilities.R
extract_vars | R Documentation |
Extract All Symbols from a List of Expressions
extract_vars(x, side = "lhs")
x |
An
|
side |
One of
|
A list of expressions
Developer Utility Functions:
%notin%()
,
%or%()
,
arg_name()
,
contains_vars()
,
convert_dtm_to_dtc()
,
filter_if()
,
friendly_type_of()
,
valid_time_units()
,
vars2chr()
library(rlang)
extract_vars(exprs(PARAMCD, (BASE - AVAL) / BASE + 100))
extract_vars(AVAL ~ ARMCD + AGEGR1)
extract_vars(AVAL ~ ARMCD + AGEGR1, side = "rhs")
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