Column is not converting to numeric when errors=coerce · Issue #17125 · pandas-dev/pandas (original) (raw)

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Description

I read in my dataframe with

And then I run the code:

df['a'] = pd.to_numeric(df['a'], errors='coerce')

but the column does not get converted. When I use errors = 'raise' it gives me the numbers that are not convertible but it should be dropping them with coerce.... This was working perfectly in Pandas 0.19 and i Updated to 0.20.3. Did the way to_numeric works change between the two versions?