c函數(shù)的用處
x2<-c( ),c這個(gè)函數(shù)有什么用，它的作用是什么
慕瓜5956779
2016-04-20
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2016-10-12
結(jié)合成一個(gè)向量或列表值。
help(c)
得到的文檔是：
Combine Values into a Vector or ListDescription
This is a generic function which combines its arguments.
The default method combines its arguments to form a vector. All arguments are coerced to a common type which is the type of the returned value, and all attributes except names are removed.
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2016-04-21
創(chuàng)建一個(gè)向量