Legend of barplot in R : <p>I have a data in table like this
<a href="https://i.stack.imgur.com/7gJN4.jpg" rel="nofollow noreferrer">I need a barplot for the same in R.</a>. So what I want is in the x-axis the High_score, Medium_score and Low_score should be plotted with the mean,max and standard deviation(means besides=TRUE )with three different color and the mean, max  and SD should be represented in the legend. Can anyone please help me on this?</p>
