Intercepts access by the pre-1.11.0 Title-Case column names
(Cohort, Estimated TE, SE, ConfIntLow, ConfIntHigh,
P_value) and stops with a migration message pointing to the new
snake_case name. All other access falls through to the
data.frame method via NextMethod().
Usage
# S3 method for class 'catt_df'
x[[i, ...]]
Arguments
- x
A catt_df object (data frame with class
c("catt_df", "data.frame")).
- i
Index; passed through to [[.data.frame. Character
indices matching an old column name are intercepted; other
indices fall through.
- ...
Further arguments passed through.
Value
The column or value, as for [[.data.frame.