JanaJarecki/cognitivemodels

Descriptive error message if LHS and RHS of formula are switched?

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FlorianSeitz commented

cognitivemodels/tests/testthat/test_ebmj.R

Line 202 in dd3ab97

ebm_j(f1 + f2 ~ rp, ~c, data = dt, fix = pars)

To date we have the following error:
Error in private$get_input(f = self$formulaCriterion, d = d, na.action = NULL) :
Can't find variables from 'formula' in 'data': [c].

Maybe we could add an error stating that the LHS of the formula should only contain one variable (e.g., stating that the user might have switched the LHS and the RHS)?