According to the FAQ towards the bottom of each webpage, you can take the courses for free if you are not going for a specialization certificate.  There is an intro class to Python which starts May 22nd:

https://www.coursera.org/specialization/#specialization/fundamentalscomputing2/37/overview

AND a data scientist track which includes R programming (April 6) and statistical inference (April 6):

https://www.coursera.org/specialization/#jhudatascience/1

Please let me know if you try any of these courses and if you would recommend them to other students!