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1 覯 #m1 <- rlm(dau ~ x, data=tmp) #覯 M豢 m2 <- lqs(dau ~ x, method="lms", data=tmp) #LMS: Least Median of Squares m3 <- lqs(dau ~ x, method="lts", data=tmp) #LTS: Least Trimmed Squares, 伎豺襦 豢 螳 覯襴螻 蠏覿 m4 <- lqs(dau ~ x, method="lts", quantile=8, data=tmp) #9,10 覿 企豪 螳 覯襴螻 蠏覿 boxplot(m1$resid, m2$resid, m3$resid, m4$resid) [edit]
2 豸, 襤郁規螳, plotting #target <- "s" if (target == "l"){ xx <- seq(1:nrow(long_term)) tmp <- data.frame(x = seq(1:nrow(long_term)), dau=long_term$dau) } else { xx <- seq(1:nrow(short_term)) tmp <- data.frame(x = seq(1:nrow(short_term)), dau=short_term$dau) } fit1 <- rlm(dau ~ x, data=tmp) fit.data <- data.frame(predict(fit1, data.frame(x=xx), interval="prediction", level=.95)) newdata <- data.frame(x = (max(xx)+1):(max(xx)+7)) pred1 <- data.frame(predict(fit1, newdata, interval="confidence", level=.95)) d1 <- data.frame(x=xx, dau=tmp$dau) d2 <- data.frame(x=newdata, dau=pred1$fit) d <- sqldf(" select * from d1 union all select * from d2 ") plot(d) lines(xx, fit.data$fit, col="black") lines(xx, fit.data$lwr, col="blue") lines(xx, fit.data$upr, col="red") lines(newdata$x, pred1$fit, col="black", lty="dashed") lines(newdata$x, pred1$lwr, col="blue", lty="dashed") lines(newdata$x, pred1$upr, col="red", lty="dashed")
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