Informatics Practices

What is the difference between iat and at with respect to a DataFrame ?

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`iat` method	`at` method
`iat` is used for integer-based indexing.	`at` is used for label-based indexing.
It allows to access a single value in the DataFrame by specifying the row and column indices using integers.	It allows to access a single value in the DataFrame by specifying the row and column labels (index or column names).
The syntax is `df.iat[row_index, col_index]`.	The syntax is `df.at[row_label, col_label]`.

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