擅长:python、mysql、java
<pre><code>#if you want to retain the index and the dataframe format, try below:
bsa_mod['Winner_Count'] = bsa_mod.apply(lambda x: bsa_mod.Name.value_counts()[x.Name],axis=1)
print(bsa_mod)
Year Name Winner Winner_Count
431 1936 Beulah Bondi 0.0 1
432 1936 Alice Brady 0.0 1
433 1936 Bonita Granville 0.0 1
434 1936 Maria Ouspenskaya 0.0 1
435 1936 Gale Sondergaard 1.0 1
#Then you can do something like:
bsa_mod[bsa_mod.Winner_Count == 2]
</code></pre>