copy the values of an array to the rows of a dataframe

Question

I have an array , a= [5,25,15], and a data frame:

I want to replace the third row of my df with a.

jezrael · Accepted Answer · 2021-06-21 10:10:30Z

1

Use loc for set values, but need match length of list by length of columns:

df.loc[2] = a

If need specify columns:

df.loc[2, ['volume','price','loc']] = a

answered Jun 21, 2021 at 10:10

jezrael

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Comments

Bhavin Kathiriya · Accepted Answer · 2021-06-21 10:16:09Z

0

Easy- use loc: new_df = df.loc[idx] Passing an array to loc will select rows where index is in the array.

answered Jun 21, 2021 at 10:16

Bhavin Kathiriya

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