Informatics Practices
Assertion. DataFrame has both a row and column index.
Reason. A DataFrame is a two-dimensional labelled data structure like a table of MySQL.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
Answer
Both A and R are true and R is the correct explanation of A.
Explanation
A DataFrame in Pandas has both a row index and a column index. It is a two-dimensional labeled data structure, similar to a table in MySQL, each value is identifiable with the combination of row and column indices.
Related Questions
Assertion. While changing the values of a column in a dataframe, if the column does not exist, an error occurs.
Reason. If values are provided for a non-existing column in a dataframe, a new column is added with those values.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
Assertion. .loc() is a label based data selecting method to select a specific row(s) or column(s) which we want to select.
Reason. .iloc() can not be used with default indices if customized indices are provided.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
What is the significance of Pandas library ?
Name some common data structures of Python's Pandas library.