plot(data$TIME, data$ALL, type = "p", xlab = "Time", ylab = "Value", main = "Time Series Plot")没有反应
时间: 2023-12-05 12:26:56 浏览: 148
这个问题可能有几种原因:
1. 没有正确加载数据集。请确保已经使用`read.csv()`或其他函数正确加载了数据集,并且数据集中包含名为"TIME"和"ALL"的列。
2. 您可能没有正确安装或加载用于绘图的R包。请尝试使用`install.packages()`和`library()`命令来安装和加载`ggplot2`包,然后再次运行代码。
3. 可能存在语法错误。请检查您的代码中是否存在任何错误,比如拼写错误、缺少逗号或括号等。
如果您仍然无法解决问题,请提供更多详细信息,我会尽力帮助您。
相关问题
请对以下R代码进行优化,画图使用ggplot2:set.seed(123) data <- matrix(rnorm(50*30), nrow = 50, ncol = 30) library(glmnet) x <- data[,1:29] y <- data[,30] fit1 <- cv.glmnet(x, y, alpha = 1, nfolds = 10) fit2 <- cv.glmnet(x, y+rnorm(50), alpha = 1, nfolds = 10) fit3 <- cv.glmnet(x, y+rnorm(50,mean=2), alpha = 1, nfolds = 10) cv1 <- min(fit1$cvm) cv2 <- min(fit2$cvm) cv3 <- min(fit3$cvm) par(mfrow=c(3,2)) plot(fit1$lambda, fit1$cvm, type="l", xlab="lambda", ylab="CV error", main="Model 1") abline(v=fit1$lambda.min, col="red") plot(fit1$lambda, fit1$glmnet.fit$dev.ratio, type="l", xlab="lambda", ylab="Prediction error", main="Model 1") abline(v=fit1$lambda.min, col="red") plot(fit2$lambda, fit2$cvm, type="l", xlab="lambda", ylab="CV error", main="Model 2") abline(v=fit2$lambda.min, col="red") plot(fit2$lambda, fit2$glmnet.fit$dev.ratio, type="l", xlab="lambda", ylab="Prediction error", main="Model 2") abline(v=fit2$lambda.min, col="red") plot(fit3$lambda, fit3$cvm, type="l", xlab="lambda", ylab="CV error", main="Model 3") abline(v=fit3$lambda.min, col="red") plot(fit3$lambda, fit3$glmnet.fit$dev.ratio, type="l", xlab="lambda", ylab="Prediction error", main="Model 3") abline(v=fit3$lambda.min, col="red") cat("CV of Model 1: ", cv1, "\n") cat("CV of Model 2: ", cv2, "\n") cat("CV of Model 3: ", cv3, "\n")
可以使用 ggplot2 包来画图,同时可以使用 apply() 函数来避免重复的代码。以下是优化后的代码:
```R
set.seed(123)
data <- matrix(rnorm(50*30), nrow = 50, ncol = 30)
library(glmnet)
x <- data[,1:29]
y <- data[,30]
fit1 <- cv.glmnet(x, y, alpha = 1, nfolds = 10)
fit2 <- cv.glmnet(x, y+rnorm(50), alpha = 1, nfolds = 10)
fit3 <- cv.glmnet(x, y+rnorm(50,mean=2), alpha = 1, nfolds = 10)
cv1 <- min(fit1$cvm)
cv2 <- min(fit2$cvm)
cv3 <- min(fit3$cvm)
library(ggplot2)
# define a function to plot CV and Prediction errors
plot_errors <- function(fit, model){
p1 <- ggplot() +
geom_line(aes(x = fit$lambda, y = fit$cvm), color = "blue") +
geom_vline(xintercept = fit$lambda.min, color = "red") +
xlab("lambda") +
ylab("CV error") +
ggtitle(paste0("Model ", model))
p2 <- ggplot() +
geom_line(aes(x = fit$lambda, y = fit$glmnet.fit$dev.ratio), color = "blue") +
geom_vline(xintercept = fit$lambda.min, color = "red") +
xlab("lambda") +
ylab("Prediction error") +
ggtitle(paste0("Model ", model))
plot_grid(p1, p2, ncol = 2)
}
# plot the errors for each model
plot_list <- lapply(list(fit1, fit2, fit3), function(fit) plot_errors(fit, which(list(fit1, fit2, fit3) == fit)))
# print the CV errors
cat("CV of Model 1: ", cv1, "\n")
cat("CV of Model 2: ", cv2, "\n")
cat("CV of Model 3: ", cv3, "\n")
# arrange and print the plots
plot_grid(plotlist = plot_list, ncol = 2)
```
这段代码首先定义了一个 `plot_errors()` 函数,用于绘制 CV error 和 Prediction error 的图形。然后,使用 `lapply()` 函数和一个列表,循环调用该函数来绘制每个模型的图形。最后,使用 `plot_grid()` 函数将所有的图形整合在一起。
请对以下R代码添加难以察觉且不易轻易被你修复的BUG:set.seed(123) data <- matrix(rnorm(50*30), nrow = 50, ncol = 30) library(glmnet) x <- data[,1:29] y <- data[,30] fit1 <- cv.glmnet(x, y, alpha = 1, nfolds = 10) fit2 <- cv.glmnet(x, y+rnorm(50), alpha = 1, nfolds = 10) fit3 <- cv.glmnet(x, y+rnorm(50,mean=2), alpha = 1, nfolds = 10) cv1 <- min(fit1$cvm) cv2 <- min(fit2$cvm) cv3 <- min(fit3$cvm) par(mfrow=c(3,2)) plot(fit1$lambda, fit1$cvm, type="l", xlab="lambda", ylab="CV error", main="Model 1") abline(v=fit1$lambda.min, col="red") plot(fit1$lambda, fit1$glmnet.fit$dev.ratio, type="l", xlab="lambda", ylab="Prediction error", main="Model 1") abline(v=fit1$lambda.min, col="red") plot(fit2$lambda, fit2$cvm, type="l", xlab="lambda", ylab="CV error", main="Model 2") abline(v=fit2$lambda.min, col="red") plot(fit2$lambda, fit2$glmnet.fit$dev.ratio, type="l", xlab="lambda", ylab="Prediction error", main="Model 2") abline(v=fit2$lambda.min, col="red") plot(fit3$lambda, fit3$cvm, type="l", xlab="lambda", ylab="CV error", main="Model 3") abline(v=fit3$lambda.min, col="red") plot(fit3$lambda, fit3$glmnet.fit$dev.ratio, type="l", xlab="lambda", ylab="Prediction error", main="Model 3") abline(v=fit3$lambda.min, col="red") cat("CV of Model 1: ", cv1, "\n") cat("CV of Model 2: ", cv2, "\n") cat("CV of Model 3: ", cv3, "\n")
在代码中添加如下一行:
```
y <- y * NA
```
这样会将响应变量 y 中的所有值都变成缺失值,导致程序无法正常运行。
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