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R在降价时不会识别导入的数据集

  •  1
  • Natalia Khodayari  · 技术社区  · 7 年前

    ```{r,echo = FALSE}
    names(mtcars)
    ```
    

    我得到以下错误:

    Error in eval(expr, envir, enclos) : object 'Fitbit' not found
    Calls: <Anonymous> ... handle -> withCallingHandlers -> withVisible -> eval -> eval
    

    ---
    title: "Homework"
    author: "Natalia"
    output: html_document
    ---
    
    
    ```{r,echo = FALSE}
    names(Fitbit)
    ```
    

    输出错误:

    Quitting from lines 9-10 (Example-Homework-Problem.Rmd) 
    Error in eval(expr, envir, enclos) : object 'fitbit' not found
    Calls: <Anonymous> ... handle -> withCallingHandlers -> withVisible -> eval -> eval
    Execution halted
    
    1 回复  |  直到 7 年前
        1
  •  0
  •   AK88    7 年前

    为了您的方便,我将此作为一个答案发布,一旦您尝试此功能,我将立即删除它:

    ```{r}
    setwd("C:/Users/nataliakhodayari/Desktop")
    fitbit <- read.csv("Fitbit.csv")
    names(fitbit)
    hist(fitbit$Miles,xlab = "Miles",main = "Overall Miles Traveled")
    ```
    

    如果无法更改目录,请尝试以下操作:

    ```{r}
    fitbit <- read.csv("Fitbit.csv")
    names(fitbit)
    hist(fitbit$Miles,xlab = "Miles",main = "Overall Miles Traveled")
    ```