​Earn 25 individual R courses' Certificates of Completion for $135 USD total one-time cost (for all courses as a set). The one-time registration fee provides you with permanent ownership and access to all 25 R courses.

The 25 courses have 7,500+ individual students from 122 countries currently enrolled with individual course reviews available.

Visit http://r-courseware.com at tab "Certificate Program" . . . $135 total until July 1 for permanent ownership of all 25 courses; thereafter $150 as of July 1.

Single registration payment of $135 for permanent lifetime registration and access to all 25 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.

25 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), multilevel SEM, and PLS Path Modeling.​