`R/data_2.R`

`test_x_1_w_1_v_1_cat1_xw_cov_wcat3_n_500.Rd`

The independent variable and the categorical moderator are associated. For demonstrating the use of tumble graph.

`test_x_1_w_1_v_1_cat1_xw_cov_wcat3_n_500`

A data frame with 500 rows and 5 variables:

- dv
Dependent variable, continuous

- iv
Independent variable, continuous

- mod
Moderator variable, categorical (string) with three categories, "City Alpha", "City Gamma", and "City Beta"

- v1
Covariate, continuous

- cat1
Covariate, categorical (string) with three values, "gp1", "gp2", and "gp3"