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Flag Invalid AST Values

Source: R/prep_ast.R
prep_flag_invalid_ast.Rd

Adds a logical column is_ast_invalid that is TRUE when the harmonized AST value is not in c("S", "I", "R") and not NA.

Usage

prep_flag_invalid_ast(data, col = "ast_value_harmonized")

Arguments

data

Data frame.

col

Character. Harmonized AST column. Default "ast_value_harmonized".

Value

Data frame with is_ast_invalid column added.