Yearwise

<code>Yearwise</code> reports the no. of abstracts in a year.

function

Text mining of PubMed Abstracts (text and XML) from <https://pubmed.ncbi.nlm.nih.gov/>.

<dl> <dt>object</dt>
<dd>An S4 object of class Abstracts.</dd> <dt>year</dt>
<dd>a character vector specifies the year.</dd></dl>

<dl>

 <dt>object</dt>
<dd>An S4 object of class Abstracts.</dd>

 <dt>year</dt>
<dd>a character vector specifies the year.</dd>

</dl>