[R] How can I get the difference seq directly?
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guangxing at ict.ac.cn
Sat Nov 26 05:08:32 CET 2005
Hi, R-help,
let x<-rnorm(1000),
now I want to get a sequence y,which is satisfied with as follow:
y[1]<-x[2]-x[1]
y[2]<-x[3]-x[2]
....
y[999]<-x[1000]-x[999]
Is there a function in R could achieve this requirement directly?
Thank you in advance!
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¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡guangxing at ict.ac.cn
¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡2005-11-26
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