This utility function applies a specified filter to a data.table. The
filter can be applied to either subset the data (type = "filter") or to
create a new flag column within the data (type = "flag").
Usage
apply_dt_filter(adam_dt, filter_string, type = c("filter", "flag"))Arguments
- adam_dt
A
data.tableobject to which the filter will be applied.- filter_string
A character string representing the filtering logic, which will be evaluated within the
data.table.- type
A character string specifying the type of operation to perform: "filter" to subset the data or "flag" to create a flag column.