Created
April 12, 2016 09:54
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Rの文字列結合関数
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"+" = function(e1, e2){ | |
if(is.character(c(e1, e2))){ | |
paste(e1, e2, sep="") | |
}else{ | |
base::"+"(e1, e2) | |
} | |
} |
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