擅长:python、mysql、java
<p>从<a href="https://github.com/h2oai/datatable" rel="nofollow noreferrer">^{<cd1>}</a>开始:</p>
<blockquote>
<p>As the name suggests, the package is closely related to R's data.table and attempts to mimic its core algorithms and API.</p>
</blockquote>
<p>因此,您可以按照<a href="https://www.statmethods.net/management/typeconversion.html" rel="nofollow noreferrer">^{<cd2>}</a>和<a href="https://stackoverflow.com/questions/37315085/an-elegant-way-to-change-columns-type-in-dataframe-in-r?rq=1">^{<cd2>}</a>进行数据类型转换</p>