[程式] R自編函數如何變成類似package,隨時可 …
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[軟體程式類別]:R
[程式問題]:平常使用R時常會自編客製化的函數,但每次引用時都需要把所有指令讀入,
導致版面稍嫌龐雜,模糊問題焦點,想請教如何把整個函數打包,引用時
直接使用library()即可。
[軟體熟悉度]:中
[問題敘述]:將自編函數變成類似package,隨時可引用
[程式範例]:例如以計算交乘積和cp函數為例,如何變成library(CP)?
CP=function(x,y)
{
n=length(x)
sum(x*y)-sum(x)*sum(y)/n
}
謝謝大家解惑
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