Chi square test in R

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data<-matrix(c(100,200,400,600),ncol=2)

data [will give:]

     [,1] [,2]
[1,]  100  400
[2,]  200  600

chisq.test(data,correct=F) [will give:]

X-squared = 4.3333, df = 1, p-value = 0.03737