世界各国の男性と女性の数のデータセットがあります。
"country","sex","amount"
"Afghanistan","men","number"
"Afghanistan","women","number"
"Albania","men","number"
"Albania","women","number"...
国の行のすべてのペアにマージを追加し、性別の列を消去して、次のようにします。
"country","amount"
"Afghanistan","number"
"Albania","number"
Google/Open Refine でこの方法で行を追加するにはどうすればよいですか?