iterators-package iterators-package iapply iapply icount icount icountn icount idiv idiv irbinom irnorm iread.table iread.table ireadLines ireadLines irnbinom irnorm irnorm irnorm irpois irnorm irunif irnorm isample makeIwrapper isplit isplit iter iter iter.data.frame iter iter.default iter iter.function iter iter.iter iter iter.matrix iter iterators iterators-package makeIwrapper makeIwrapper nextElem nextElem nextElem.containeriter nextElem nextElem.funiter nextElem