title: Error running ggscatter function in R
body: <p>While running a scatter plot (ggscatter) the system throws up this error:</p>
  
  <blockquote>
    <p>Error in [.data.frame(data, , x) : undefined columns selected</p>
  </blockquote>
  
  <p>The code is below:</p>
  
  <pre><code>mydata&lt;-data.frame("eng_score" = 1:99, "53_target_pre_mover_2_0_model" = 1:99)
  
  library("ggpubr")
  ggscatter(mydata,y = "eng_score"  , x = "`53_target_pre_mover_2_0_model`",  
        add = "reg.line", conf.int = TRUE, 
        cor.coef = TRUE, cor.method = "pearson",
        xlab = "Likely to move", ylab = "Engagement score")
  </code></pre>
  
  <p>Appreciate the help!</p>