r">#&gt;</span> 1:        data         [NULL]   FALSE   data    New</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 2:       step1         [NULL]   FALSE  step1    New</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 3:  data.pipe2         [NULL]   FALSE   data    New</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 4:       step2         [NULL]   FALSE  step2    New</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 5:  data.pipe3         [NULL]   FALSE   