This should do the trick. myframe['myfield'] = myframe['myfield'].dropna().map(f... | Hacker News

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stdbrouw on Oct 27, 2013 | parent | context | favorite | on: Intro to Pandas data structures

This should do the trick.

    myframe['myfield'] = myframe['myfield'].dropna().map(float)

gjreda on Oct 27, 2013 [–]

Alternatively, I think you could also do:

    myframe.myfield.dropna().astype(float)

I'd need to test that out though - type conversion in pandas/NumPy has always been a little confusing for me.

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