How to do machine learning by pipeline pilot(under R)?

Dear Sir or Madam,

My name is TK and I'm studying machine learning.
I'm using the R under pipeline pilot to do machine learning.
I successed to do elastic net and logistic regression.

But I can't understand to do other method(decision tree, random forests, svm, nn ,,,)

If you know, please,,,please tell me know just one.