Question

我有三列，即Team1，Team2和Result。以下是数据示例。我需要一列“获胜/亏损”列，以便如果结果出现在第1队或第2队中，那么它应该是赢家，否则应该是输家。

Team1        Team2             Result      Winning/lossing team
Pakistan       NA             Australia        lossing
Australia      Australia      Australia        winning
Australia      NA             Australia         winning

The below is the code whuch I tried ,but its not working.Please help.
Playerwnorloss=ifelse(Dataset$Team1==Dataset$winner | is.na(Dataset$Team2==Dataset$winner),"WinningTeam","LossingTeam")

Answer 1

那又怎么样：

Dataset$WinningLosing <- ifelse(Dataset$Result == Dataset$Team1 & !is.na(Dataset$Team1) | Dataset$Result == Dataset$Team2 & !is.na(Dataset$Team2), "Winning","Losing")

输出：

       Team1     Team2    Result WinningLosing
1:  Pakistan      <NA> Australia        Losing
2: Australia Australia Australia       Winning
3: Australia      <NA> Australia       Winning

Answer 2

尝试一下（假设您的数据在df中）：

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问候 Paweł

如何在R中的ifelse语句中写入多个条件？

2 个答案: