Changes the value of a variable with different values based on a set of logical expressions.
recode var with // or recode # var with // or recode $ var with val1 for expression_1, val2 for expression_2, . . . valn for expression_n;
var: (literal) the new variable name. val: (scalar) value to be used if corresponding expression is
expression: (scalar) logical scalar-returning expression that returns nonzero
recode age with 1 for age < 21, 2 for age >= 21 and age < 35, 3 for age >= 35 and age < 50, 4 for age >= 50 and age < 65, 5 for age >= 65;
recode $ sex with "MALE" for sex == 1, "FEMALE" for sex == 0;
recode # sex with 1 for sex $== "MALE", 0 for sex $== "FEMALE";
$ is specified, the variable will be considered a character
# is specified, the variable will be considered numeric.
If neither is specified, the type of the variable will be left
The logical expressions must be mutually exclusive, that is only one may
TRUE for a given row (observation).
If none of the expressions is
TRUE for a given row (observation), its
value will remain unchanged.
Any variables referenced must already exist, either as elements of the
source dataset, as
extern’s, or as the result of a previous
vector, or code statement.