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我有一个四栏的数据框显示几小时的日光。我需要制作boxplot来比较不同的群体,并且还需要进行anova测试来比较群体。这是我做的,但它不工作。如何为时间格式数据制作boxplot?
A B C D
15:15:08 15:29:08 15:32:50 15:34:12
15:02:32 15:23:43 15:21:06 15:34:50
14:40:34 14:58:30 15:21:06 15:32:50
15:15:08 15:29:08 15:21:06 15:34:50
15:10:03 14:58:30 15:30:01 15:34:12
15:23:43 15:19:42 15:30:01 15:34:00
14:56:24 15:29:08 15:21:06 15:34:50
15:15:08 14:58:30 15:24:56 15:34:50
15:15:08 14:58:30 15:32:50 15:34:12
14:56:24 14:42:57 15:32:50 15:34:50
14:56:24 14:47:35 15:21:06 15:30:01
14:56:24 15:23:43 15:24:56 15:34:12
15:15:08 14:49:51 15:30:01 15:34:12
15:02:32 15:32:50 15:30:01 15:27:10
15:10:03 15:29:08 15:34:12 15:34:12
DF<-as.POSIXct(DF$A, format = "%H:%M:%S")
DF<-as.POSIXct(DF$B, format = "%H:%M:%S")
DF<-as.POSIXct(DF$C, format = "%H:%M:%S")
DF<-as.POSIXct(DF$D, format = "%H:%M:%S")
boxplot(DF)
Df.anova <- c(DF$A, DF$B, DF$C, DF$D)
groups = factor(rep(letters[1:4], each = 15))
fit = lm(formula = Df.anova~ groups)
anova (fit)
将它们转换为秒数也许。这是我首先想到的。 – Masoud