擅长:python、mysql、java
<p>需要按位比较<code>|</code>(<code>or</code>):</p>
<pre><code>df=df[(df.Service=="CWS") | (df.Service=="Drive")]
</code></pre>
<p>最好是使用<a href="http://pandas.pydata.org/pandas-docs/stable/generated/pandas.Series.isin.html" rel="nofollow noreferrer">^{<cd3>}</a>:</p>
^{pr2}$
<p>或使用<a href="http://pandas.pydata.org/pandas-docs/stable/generated/pandas.DataFrame.query.html" rel="nofollow noreferrer">^{<cd4>}</a>:</p>
<pre><code>df = df.query('Service=="CWS" | Service=="Drive"')
</code></pre>
<p>或<a href="http://pandas.pydata.org/pandas-docs/stable/indexing.html#special-use-of-the-operator-with-list-objects" rel="nofollow noreferrer">^{<cd4>} with ^{<cd6>}</a>:</p>
<pre><code>df = df.query('Service== ["Other", "Drive"]')
</code></pre>
<hr/>
<pre><code>print (df)
Created UserID Service
1 1/2/2016 a Other
2 3/5/2016 a Drive
</code></pre>