title: data(phiX174Phage) dataset not found in R
body: <p>I am beginner studying Bioconductor.</p>
  
  <p>I am try to follow lecture of Bioconductor.</p>
  
  <pre><code>source("https://bioconductor.org/biocLite.R")
  biocLite("Biostrings")
  library(Biostrings)
  data(phix174Phage)
  </code></pre>
  
  <blockquote>
    <p>Warning message:
    In data(phix174Phage) not foundError: object 'phix174Phage' not found.</p>
  </blockquote>
  
  <p>What did I wrong?</p>