pc = read.table('../../Data/nodal.dat', header=FALSE)
colnames(pc) = c('xray', 'stage', 'grade', 'age', 'acid', 'node')
##print(pc)

resp = as.vector(pc$node)
index = seq(1, dim(pc)[1])

lr = glm(resp ~ index, family=binomial, data=pc)
print(summary(lr))