Earn 21 individual R courses' Certificates of Completion for $125 USD
total one-time cost (for all) with no time limits.

The 21 courses have good student reviews with 6,200+ individual
students from 115 countries currently enrolled.

Visit http://r-courseware.com at tab "Certificate Program"

Single registration payment of $125 for permanent lifetime registration
and access to all 21 online R courses, includes: (1) 24/7 lifetime
online access to each course on any device anywhere in the world; (2)
certificate of completion for each course completed with no time limits;
and (3) 30-day 100% refund money-back guarantee.

20 individual R courses on these topics:

(1) fundamentals of R; 
(2) R graphics; 
(3) multivariate analysis; 
(4) data mining; 
(5) R programming and application development; 
(6) simulation and monte carlo methods with R; and 
(7) structural equation modeling (SEM) and multilevel SEM.