我将尽量不含糊。 以下数据组包括一个装置的电量测量,我必须绘制图表,显示时段的平均电量(瓦)。 我必须在R中做到这一点,但我确实不知道什么职能,或者我应该怎样做,把它当作是R的新手。 任何帮助都将受到高度赞赏。
Store No.,Date,Time,Watt
33,2011/09/26,09:11:01,0.0599E+03
34,2011/09/26,09:11:02,0.0597E+03
35,2011/09/26,09:11:03,0.0598E+03
36,2011/09/26,09:11:04,0.0596E+03
37,2011/09/26,09:11:05,0.0593E+03
38,2011/09/26,09:11:06,0.0595E+03
39,2011/09/26,09:11:07,0.0595E+03
40,2011/09/26,09:11:08,0.0595E+03
41,2011/09/26,09:11:09,0.0591E+03
dat$D.time <- as.POSIXct(paste(dat$Date, dat$Time))
require(zoo)
?rollapply
length(rollapply(dat$Watt,3, mean))
plot(dat$D.time, dat$Watt)
lines(dat$D.time[3:9], rollapply(dat$Watt,3, mean))
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