A Practical Approach to Timeseries Forecasting Using Python
 - Data Manipulation in Python

A Practical Approach to Timeseries Forecasting Using Python - Data Manipulation in Python

Assessment

Interactive Video

Information Technology (IT), Architecture, Social Studies

University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video tutorial covers various operations on a pandas DataFrame, including viewing the head and tail, obtaining information and descriptive statistics, exploring columns and shape, handling null values, dropping unnecessary columns, renaming columns using Python dictionaries, creating a new column with row sums, and introduces indexing and selection. These operations are essential for data manipulation and analysis in Python using pandas.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What command is used to display the first few rows of a data set?

DF.tail()

DF.describe()

DF.head()

DF.info()

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which command provides statistical details like mean and standard deviation of a data set?

DF.head()

DF.describe()

DF.info()

DF.columns()

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you check for null values in a data set?

DF.isnull()

DF.head()

DF.describe()

DF.drop()

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which command is used to view the structure of a data set, including the number of rows and columns?

DF.shape

DF.describe()

DF.head()

DF.info()

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which command is used to list all the columns in a data set?

DF.columns

DF.describe()

DF.head()

DF.tail()

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the 'axis=1' parameter in the DF.drop() command?

To rename columns

To drop columns

To sort data

To drop rows

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the 'inplace=True' parameter do in the DF.drop() command?

Creates a new object

Deletes the data frame

Modifies the data frame without creating a new object

Sorts the data frame

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