2
在RI有一個函數定義2串之間計算交集:r使用用戶定義的數據幀列函數
containedin <- function(t1,t2){
return length(Reduce(intersect, strsplit(c(t1,t2), "\\s+")))
}
欲包含2個字符串列的數據幀上應用此功能: 數據.selected [C(「關鍵字」,「標題」)]
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如何使用應用功能這2列被應用,與將結果返回一個新列?
嘗試'data.selected $ NEWCOL < - 應用(data.selected [C( '關鍵字', '標題') ],1,函數(x)包含在(x [1],x [2]))'中。 – lukeA
謝謝,這是有效的 – user3628777