Question: Which method should be used to get the unique values in the 'department' column of a DataFrame df ? Which method should be used to

Which method should be used to get the unique values in the 'department' column of a DataFrame df?
Which method should be used to get the unique values in the 'department' column of a DataFrame df?
df.drop_duplicates('department')
df['department'].unique()
df['department'].nunique()
pd.unique(df['department'])

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Accounting Questions!

Q:

JAVA This project is intended to reverse the contents of a file using a generic stack data structure. You will create a generic Reverser class that will be used for two different data types: string...

Q:

JAVA LANGUAGE For this assignment, you will create a generic class called BoundedStack. The implementation of a BoundedStack is very similar to the implementation given for a Stack. However in the...

Q:

In week 5 you were asked to create a 'Die' class. This class simulated the rolling of a single die, which can have a variable number of sides, and the number of sides is passed to the die on...

Q:

using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace DieRoller { /// /// Represents one die (singular of dice) with faces showing values between /// 1 and...

Q:

The sample code is shown below: using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace DieRoller { /// /// Represents one die (singular of dice) with faces...

Q:

using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace DieRoller { /// /// Represents one die (singular of dice) with faces showing values between /// 1 and...

Q:

Using C# code. Read the instructions below carefully. Also the system should handle faces below minimum. Use the sample code format below; Sample code: using System; using System.Collections.Generic;...

Q:

Your task is to create a 'Die' class, which will allow for the rolling of a single die, which can have a variable number of sides, and the number of sides is passed to the die on construction. The...

Q:

**** I COMPLETED QUESTIONS 1-14, PLEASE PROVIDE THE SOLUTIONS FOR QUESTIONS 15 -22 Data Analysis - Celebrity Deaths in 2016 Source: Wikipedia - Deaths in 2016 Structure of dataset: File:...

Q:

Python: Titanic Data with pandas Q1-1 . use read_csv function to read in the data as df Q1-2 . Verify that you get 891 lines of data (print the number of rows) Q1-3 . print the first ten (head...

Q:

Annual interest rate is expected to be 5.00%, 7.00% in the next three years. 10.00% Liquidity premium for one to three year bonds: 0%, 0.25%, 0.75%. What is the interest rate on a three-year bond?

Q:

Elmore receives a rental property as an inheritance from his grandmother. The rental is worth $500,000, and Elmore had rental income of $24,000 during the year. Requirement For the year, how much is...

Q:

Every two years, Blank _ _ _ _ _ _ of the Texas Senate is elected for Blank _ _ _ _ _ _ terms. Multiple choice question. one - half; four - year all; two - year one - third; four - year two - thirds;...

Q:

Can you elucidate the role of molecular chaperones and protein quality control systems in maintaining the integrity and homeostasis of the cytoplasm, particularly under conditions of cellular stress...