.replace() to replace elements in a Pandas DataFrame

Wed Aug 5 19:30:31 EDT 2020

On 2020年08月06日 00:06, Michio Suginoo wrote:
> Hi MRAB,
>> Here is an example:
> In the original dataframe, I have something like, 'Agronomía'. And I 
> try to transform it to 'Agronomia'.
> In this case, I try to replace í with i: the former with a Spanish 
> accent, the latter without.
>That's what you want it to do, but what does it _actually_ do? Does it 
_actually_ replace characters in a string, or only match and replace 
entire strings?
If you have a dataframe that contains the strings 'Agronomía' and 'í', 
does it leave 'Agronomía' as-is but replace 'í' with 'i'?
On Wed, Aug 5, 2020 at 8:00 PM MRAB <python at mrabarnett.plus.com 
<mailto:python at mrabarnett.plus.com>> wrote:
>> On 2020年08月05日 23:21, Michio Suginoo wrote:
> > Hi,
> >
> > I have trouble with .replace() method in a Pandas DataFrame.
> > My code is something like this:
> > correction_dic1 = {'á': 'a', 'í': 'i', 'ú': 'u', 'ó': 'o'}
> > df = df.replace({'Name' : correction_dic1})
> > Basically, what I am trying to do here is to replace bowels with
> Spanish
> > accent with a plain set of English alphabet in all the entries
> in the
> > column called 'Name' in the dataframe, df.
> >
> > A strange thing is that it worked perfectly in the same Jupyter
> notebook
> > this morning.
> > But all of a sudden, it started not doing the replacement any more.
> >
> > Could anyone tell what could be the problem?
> >
> Does that replace characters in strings, or does it replace one
> string
> with another, e.g. replace the string 'á' with the string 'a'?
>