figure, plot([IR(1:50, 2), IRplusSE(1:50,2), IRminusSE(1:50,2)]), title('Barclays - Shock to the market; Own reaction')如何将这句代码改写成R语言
时间: 2024-10-09 12:11:54 浏览: 14
在MATLAB中,这段代码绘制了一个包含三个条形图(bar chart)的图形,分别对应于`IR(1:50, 2)`、`IRplusSE(1:50,2)`和`IRminusSE(1:50,2)`的数据序列,并设置了图表标题为"Barclays - Shock to the market; Own reaction"。要将其转换为R语言,我们可以使用`ggplot2`库。这里是一个对应的R代码示例:
```R
library(ggplot2)
# 假设IR, IRplusSE, IRminusSE是已经准备好的向量
IR <- c(IR(1:50, 2))
IRplusSE <- c(IRplusSE(1:50, 2))
IRminusSE <- c(IRminusSE(1:50, 2))
df <- data.frame(time = 1:50,
IR = IR,
IR_plus_SE = IRplusSE,
IR_minus_SE = IRminusSE)
# 绘制条形图
barplot_data <- ggplot(df, aes(x = time)) +
geom_bar(aes(y = IR, fill = "IR"), stat = "identity") +
geom_bar(aes(y = IR_plus_SE, fill = "IR + SE"), position = "dodge", stat = "identity") +
geom_bar(aes(y = IR_minus_SE, fill = "IR - SE"), position = "dodge", stat = "identity") +
scale_fill_manual(values = c("IR" = "blue", "IR + SE" = "green", "IR - SE" = "red")) +
labs(title = "Barclays - Shock to the market; Own reaction")
barplot_data
```
这段R代码首先创建了一个数据框,然后使用`ggplot2`画出三条条形图,并通过`position = "dodge"`实现了并排显示。记得替换`IR(1:50, 2)`, `IRplusSE(1:50,2)`, 和 `IRminusSE(1:50,2)`为实际的函数或变量名。