MightyHive is an advertising technology company that uses retargeting methods to send ads to users online. One product, Call Center Remarketing, uses call center log data to retarget those consumers online whom did not make a purchase. We need to know if there is a statistical difference between the persons that reserved from the test group and the ones from the control group. We need an A/B Test.

In this project, the goal will be to use data from accelerometers on the belt, forearm, arm, and dumbell of 6 participants. They were asked to perform barbell lifts correctly and incorrectly in 5 different ways. I will need to build a model, cross validate it and predict 20 different test cases.

In this project is it is supposed i work for Motor Trend, a magazine about the automobile industry. Looking at a data set of a collection of cars, they are interested in exploring the relationship between a set of variables and miles per gallon (MPG) (outcome).

Coursera Reproducible Research Assignment 2