Zelig Warning

[ms1948]

1: tbl_df() was deprecated in dplyr 1.0.0.
ℹ Please use tibble::as_tibble() instead.
ℹ The deprecated feature was likely used in the Zelig package.
Please report the issue at
https://github.com/IQSS/Zelig/issues.
2: group_by_() was deprecated in dplyr 0.7.0.
ℹ Please use group_by() instead.
ℹ See vignette('programming') for more help
ℹ The deprecated feature was likely used in the Zelig package.
Please report the issue at
https://github.com/IQSS/Zelig/issues.