0.0
2.5
5.0
7.5
10.0
0.0
0.1
0.2
0.3
value
density
How.comfortable.are.you.with.R.
How.familiar.are.you.with.the.R.package.ggplot2.
How.familiar.are.you.with.the.R.package.plotly.
How.familiar.are.you.with.web.technologies.