这个summary（x）的信息看不懂（最后一行）

源自：4-7 总结数据信息

summary(x)

Call: xtabs(formula = Freq ~ Class + Age, data = Titanic)

Number of cases in table: 2201

Number of factors: 2

Test for independence of all factors:

Chisq = 118.41, df = 3, p-value = 1.695e-25

提问者：qq_我亦久飘零_0 2018-10-31 02:05