Extracting age and gender again
You can now also take another look at your pattern for pulling out age and gender from the injury narratives. In the last chapter you took two steps to extract the pattern and then pull it apart. Take a go at doing it in one step!
Это упражнение является частью курса
String Manipulation with stringr in R
Интерактивное практическое упражнение
Попробуйте выполнить это упражнение, дополнив этот пример кода.
# narratives has been pre-defined
narratives
# Add capture() to get age, unit and sex
pattern <- optional(DGT) %R% DGT %R%
optional(SPC) %R% or("YO", "YR", "MO") %R%
optional(SPC) %R% or("M", "F")
# Pull out from narratives
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