リストを使用してデータフレーム内の列に繰り返しを追加するR

Question

こんにちは単純な質問ですが、List_Aに各項目を入れて、各項目をdata.frameでList_Bに1回繰り返すにはどうすればよいでしょうか。

List_A = c("a","b","c") 
List_B = c("one","oneb","two","twoa","three","threea") 

所望の出力：

data.frame(List_A = c("a","a","a","a","a","a","b","b","b","b","b","b","c","c","c",,"c","c","c"), 
List_B = c("one","oneb","two","twob","three","threeb","one","oneb","two","twob","three","threeb","one","oneb","two","twob","three","threeb")) 

Answer 1

@HubertLの提案に従った後、私は繰り返しList_Bでデータフレームを取得することができました。

expand.grid(List_A=List_A, List_B=List_B)