r 中的 phicoef() 错误

Error in phicoef() in r

如果我这样做:

m <- matrix(c(3,1914,689993,346109647),nrow=2,ncol=2)
phicoef(m)

它给了我:

Error in phicoef(m) : 
when 'y' is not supplied, 'x' must be a 2x2 integer matrix or an integer vector of length 4.

我该怎么办?

定义一个整数矩阵:

m <- matrix(c(3L,1914L,689993L,346109647L),nrow=2,ncol=2)
typeof(m)
#[1] "integer"