swirl (version 2.2.21)

func_of_newvar_equals: Test the result of a computation applied to a specific (user-named) variable created in a previous question.

Description

Tests the result of a computation such as mean(newVar) applied to a specific variable created in a previous question and saved behind the scenes as e$newVar.

Usage

func_of_newvar_equals(correct_expression)

Arguments

correct_expression

expression expected to be applied

Value

• TRUE or FALSE

See Also

Other AnswerTests: AnswerTests; any_of_exprs; expr_creates_var; expr_identical_to; expr_is_a; expr_uses_func; omnitest; val_has_length; val_matches; var_is_a

Examples

# Test if user has taken the mean of a variable created
# in an earlier question.
#
func_of_newvar_equals('mean(newVar)')