TypeError: sequence item 0: expected str instance, float found

Question

My code-

out = []
for _, row in df.iterrows():
    name = " ".join(row[0:4])

    entities = []
    i = 0
    for n in row.index[0:4]:
        entities.append([i, i + len(row[n]), n])
        i += len(row[n])+1
    out.append([name, {"entities": entities}])

My Dataframe-

             house                  road                        sub_area
0         726/30/3                 road 10                         abcd   
1              977                 road 16                         efgh

I am getting the error

line 12, in <module>
    name = " ".join(row[0:4])
TypeError: sequence item 0: expected str instance, float found

How do I resolve this issue?

Ecir Hana · Accepted Answer · 2021-09-29 07:29:27Z

1

Without having knowing what df is, we can only guess. But usually the problem is that one is trying to str.join something else than strings. So try this instead:

name = " ".join(map(str, row[0:4]))

answered Sep 29, 2021 at 7:29

Ecir Hana

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5 Comments

bellatrix Over a year ago

It doesn't work. TypeError: object of type 'float' has no len()

bellatrix Over a year ago

I have attached a screenshot of my dataframe

Ecir Hana Over a year ago

@bellatrix You get that error at the same line as before?

bellatrix Over a year ago

line 17, in <module> entities.append([i, i + len(row[n]), n]) TypeError: object of type 'float' has no len()

Ecir Hana Over a year ago

@bellatrix Then row[n] is a float, which does not have a length. Maybe you want to convert the float to a string first?

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