Displaying 1 result from an estimated 1 matches for "nr_024005".
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nr_024004
2010 Oct 04
3
vectorizing problem
Hello,
I have a two column dataframe that
has entries that look like this:
2315100 NR_024005,NR_024004,AK093685
2315106 DQ786314
and I want to change this to look like this:
2315100 NR_024005
2315100 NR_024004
2315100 AK093685
2315106 DQ786314
I can do this with the following "for" loop but the dataframe (GPL)
has ~140,000 rows and this takes abou...