我在 Stata 中有一個變數，place名為"Wichita, Kansas".
我想將此變數拆分為一個city和state變數。狀態總是出現在逗號和空格之后。
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input str20(place)
"Wichita, Kansas"
"Salt Lake City, Utah"
"Buffalo, New York"
end
split place, p(",")
list
---------------------------------------------------
| place place1 place2 |
|---------------------------------------------------|
1. | Wichita, Kansas Wichita Kansas |
2. | Salt Lake City, Utah Salt Lake City Utah |
3. | Buffalo, New York Buffalo New York |
---------------------------------------------------
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