Pandas 1 - Quiz 3

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Pandas 1 - Quiz 3

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df.index properties can be used to

1 point

rename rows

rename columns

rename rows and columns both

None of these

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CSV file is also known as a

1 point

Flat File

3D File

String File

Random File

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Which of the following module is provided by Python to do several operations on the CSV files?

1 point

xls

csv

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The command used to skip a row in a csv file is

1 point

next()

skip()

omit()

bounce()

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What will be the syntax for pandas dataframe?

1 point

pandas.DataFrame(data, index, dtype, copy)

pandas.DataFrame(data, index,rows, dtype, copy)

pandas_DataFrame(data, index, columns, dtype, copy)

pandas.DataFrame(data, index, columns, dtype, copy)

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Which function needs a dictionary of array like sequences or a dictionary of another dictionary to return a dataframe?

1 point

DataFrame.from_items

DataFrame.from_records

DataFrame.from_dict

All of the above

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In a data frame axis=0 is for

1 point

columns

rows

columns and rows both

None of these

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Which of the following statements is/are correct with respect to df.columns properties to rename columns. 1. All columns are specified. 2. Columns must be in the form of a list. 3. Old column names not required 4. Columns can be specified with column number.

1 point

Only 1 is correct

1, 2, and 3 are correct

1 and 3 are correct

All of them are correct

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Which function from the options given below can read the dataset from a large text file?

1 point

read_json

read_pickle

read_hdf

read_csv

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To display 2 rows from the top in the dataframe, which of the following statement is correct?

1 point

df.head()=2

df.head(n=2)

df.head(range(2))

All of the above

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