R is a language used popularly for Data Visualization.
ggvis is a data visualization package for R which lets you:1.Declaratively describe data graphics with a syntax similar in spirit to
ggplot2.2.Create rich interactive graphics that you can play with locally in Rstudio or
in your browser.3.Leverage shiny’s infrastructure to publish interactive graphics usable from
any browser (either within your company or to the world).
An exercise routine you can do with your own bodyweight. The equipment needed is just a pull up bar (or any suspended horizontal bar, a tree limb even), some gymnastic rings (generally £15 to £40 depending on quality) and a wall.