<div id="readability-page-1" class="page"><article id="post-6188">
				<div>
<p>pandas의 DataFrame에서 숫자가 아닌 값을 0으로 처리하는 예제입니다.</p>



<p>2023. 6. 17&nbsp; 최초작성</p>







<pre><code>import pandas as pd

# DataFrame 생성
df = pd.DataFrame([[1.5, '2.7', '3.2'],
                  ['4.1', 5, '6.0']])

print(df)
print()


해당 열의 값이 정수나 실수가 아니면 0으로 변경합니다.
df[0] = df[0].apply(lambda x: x if isinstance(x, (int, float)) else 0)
df[1] = df[1].apply(lambda x: x if isinstance(x, (int, float)) else 0)
df[2] = df[2].apply(lambda x: x if isinstance(x, (int, float)) else 0)

print(df)</code></pre>







<p>실행 결과입니다. 문자열이었던 값들이 모두 0이 되었습니다.&nbsp;</p>



<figure><img data-lazy-fallback="1" data-attachment-id="6190" data-permalink="https://webnautes.blog/6188/image-4-3/" data-orig-file="https://i0.wp.com/webnautes.blog/wp-content/uploads/2023/09/image-4.png?fit=546%2C209&amp;ssl=1" data-orig-size="546,209" data-comments-opened="1" data-image-meta="{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}" data-image-title="image-4" data-image-description="" data-image-caption="" data-medium-file="https://i0.wp.com/webnautes.blog/wp-content/uploads/2023/09/image-4.png?fit=300%2C115&amp;ssl=1" data-large-file="https://i0.wp.com/webnautes.blog/wp-content/uploads/2023/09/image-4.png?fit=546%2C209&amp;ssl=1" decoding="async" fetchpriority="high" width="546" height="209" src="https://i0.wp.com/webnautes.blog/wp-content/uploads/2023/09/image-4.png?resize=546%2C209&amp;ssl=1" alt="" sizes="(max-width: 546px) 100vw, 546px" data-recalc-dims="1" data-old-src="https://i0.wp.com/webnautes.blog/wp-content/uploads/2023/09/image-4.png?resize=546%2C209&amp;is-pending-load=1#038;ssl=1" data-lazy-srcset="https://i0.wp.com/webnautes.blog/wp-content/uploads/2023/09/image-4.png?w=546&amp;ssl=1 546w, https://i0.wp.com/webnautes.blog/wp-content/uploads/2023/09/image-4.png?resize=300%2C115&amp;ssl=1 300w"></figure>





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pandas의 DataFrame에서 숫자가 아닌 값을 0으로 처리하는 예제입니다. 2023. 6. 17  최초작성 실행 결과입니다. 문자열이었던 값들이 모두 0이 되었습니다. 
The post Pandas DataFrame 숫자 아닌 값을 0으로 바꾸기 first appeared on 멈춤보단 천천히라도.