approximation may be incorrect# Chi-squared approximationmay be incorrect# Chi-squared approximation may be incorrect(db$Gender, db$Group) :
# Chi-squared approximation may be incorr
272003,310418,201601,237168)我可以想出两种方法来要求两个样本的x-平方测试:X-squared = 12, df = 9, p-value = 0.2133
In chisq.test(x1, x2) : Chi-squaredapproximation may be in