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!
本练习是课程的一部分
String Manipulation with stringr in R
交互式实操练习
通过完成这段示例代码来试试这个练习。
# 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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