擅长:python、mysql、java
<p>努比,在哪里</p>
<pre><code>df['Production_lost'] = np.where(((df['No_employee?'] == 1) | (df['No_machinery?'] == 1)),
df['Production_potential'], 0)
Day No_employee? No_machinery? Production_potential Production_lost
0 Day 1 1 0 5 5
1 Day 2 1 1 4 4
2 Day 3 0 1 3 3
3 Day 4 1 0 8 8
4 Day 5 0 0 6 0
5 Day 6 0 1 3 3
6 Day 7 0 0 5 0
7 Day 8 1 1 2 2
</code></pre>