title: How to convert factor to numeric in R without NAs introduced by coercion warning message
body: <p>I have a data which contains factor class , so while converting it to numeric , i'm getting this warning message . following code i've written in R to convert factor into numeric</p>
  
  <pre><code>class(usedcars$Price)
  [1] "factor"
  
  e &lt;- paste(usedcars$Price)
  e &lt;- as.numeric(paste(usedcars$Price))
  Warning message:
  NAs introduced by coercion 
  </code></pre>
  
  <p>Guys all the data is converted into "NA" but class is numeric.
  Could anyone help me out to get rid of this NA warning message while converting a factor to numeric in R?</p>