[英]Error in plotting atomic vector
I want to plot log return graph. 我想绘制日志返回图。 I imported my data file in CSV format.My code after that as below with the errors.
我以CSV格式导入了数据文件,之后的代码如下并出现错误。 For more information all the variables do exist in the table.
有关更多信息,表中确实存在所有变量。
t <- read.csv("~/Documents/FYP/Log return 1.csv")
View(t)
df<-ts(t)
plot.ts(df$Year,df$IND)
Error in df$Year : $ operator is invalid for atomic vectors
df $ Year中的错误:$运算符对原子向量无效
plot.ts(df[Time],df[CHN])
Error in NextMethod("[") : object 'Time' not found
NextMethod(“ [”)中的错误:找不到对象'Time'
plot.ts(df[Year],df[CHN])
Error in NextMethod("[") : object 'Year' not found
NextMethod(“ [”)中的错误:找不到对象'Year'
plot.ts(df[[Year]],df[[CHN]])
Error in NCOL(x) : object 'Year' not found
NCOL(x)中的错误:找不到对象“年份”
Given a data frame input t
, df <- ts(t)
gives you a matrix rather than a data frame, so using $
is invalid. 给定数据帧输入
t
, df <- ts(t)
给您矩阵而不是数据帧,因此使用$
无效。 To access a column of a matrix, you need for example, df[, "Time"]
. 要访问矩阵的一列,您需要例如
df[, "Time"]
。
As an example, let's use R's built-in dataset cars
. 例如,让我们使用R的内置数据集
cars
。 Originally it is a data frame with two columns: speed
and dist
, while x <- ts(cars)
gives a matrix: 最初,它是一个具有两列的数据帧:
speed
和dist
,而x <- ts(cars)
给出一个矩阵:
class(x)
# [1] "mts" "ts" "matrix"
head(x)
# speed dist
#[1,] 4 2
#[2,] 4 10
#[3,] 7 4
#[4,] 7 22
#[5,] 8 16
#[6,] 9 10
The error you saw can be reproduced by 您看到的错误可以通过以下方式重现
x$dist
# Error in x$dist : $ operator is invalid for atomic vectors
Instead, we want 相反,我们想要
x[, "dist"]
#Time Series:
#Start = 1
#End = 50
#Frequency = 1
# [1] 2 10 4 22 16 10 18 26 34 17 28 14 20 24 28 26 34 34 46
#[20] 26 36 60 80 20 26 54 32 40 32 40 50 42 56 76 84 36 46 68
#[39] 32 48 52 56 64 66 54 70 92 93 120 85
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