The data seems to support your idea. Although there were 2370 jobs that mentioned both python and R, there were about 9 times as many 'python only' jobs (261) a

The data seems to support your idea. Although there were 2370 jobs that mentioned both python and R, there were about 9 times as many 'python only' jobs (261) as there were 'R only' jobs (31): https://i.imgur.com/vkjGSyU.png https://i.imgur.com/vkjGSyU.png