prop.test(c(592,119,849,504,36),c(1136,216,1526,955,50))

prop.test(c(592,119,849,540),c(1136,216,1526,1005))

prop.test(c(592,119,849,504),c(1136,216,1526,955))

salk.mat_rbind(c(200688,24,33),c(201087,27,115))

salk.mat

salk.mat_matrix(c(200688,24,33,201087,27,115),2,3,byrow=T)

chisq.test(salk.mat)

fisher.test(salk.mat)

pref.mat_rbind(c(18,5,7),c(6,4,8))

pref.mat

fisher.test(pref.mat)

chisq.test(pref.mat)

x.array_array(c(120,80,111,155,161,130,117,124),c(2,2,2))

x.array

mantelhaen.test(x.array)