Python Data Science Jobs & Interviews
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Your go-to hub for Python and Data Science—featuring questions, answers, quizzes, and interview tips to sharpen your skills and boost your career in the data-driven world.

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Question 17: #Pandas
The ____ method in Pandas is used to replace specific values in a DataFrame.

Op
tion 1: replace()

Option 2: exchange()

Option 3: transform()

Option 4: change()

Correct Response: 1

Explanation: The replace() method in Pandas is used to replace specific values in a DataFrame.

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Question 18: #pandas
To drop rows with a specific value in a DataFrame column, we can use the ____ method in Pandas.

Op
tion 1: remove()

Option 2: delete()

Option 3: drop()

Option 4: dismiss()

Correct Response: 3

Explanation: The drop() method in Pandas can be used to drop rows with a specific value in a DataFrame column.

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NUMPY FOR DS.pdf
4.5 MB
Let's start at the top...

NumPy contains a broad array of functionality for fast numerical & mathematical operations in Python

The core data-structure within #NumPy is an ndArray (or n-dimensional array)

Behind the scenes - much of the NumPy functionality is written in the programming language C

NumPy functionality is used in other popular #Python packages including #Pandas, #Matplotlib, & #scikitlearn!

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Question 4 (Intermediate):
When working with Pandas in Python, what does the inplace=True parameter do in DataFrame operations?

A) Creates a copy of the DataFrame before applying changes
B) Modifies the original DataFrame directly
C) Saves the results to a CSV file automatically
D) Enables parallel processing for faster execution

#Python #Pandas #DataAnalysis #DataManipulation
🚀 Comprehensive Guide: How to Prepare for a Data Analyst Python Interview – 350 Most Common Interview Questions

Are you ready: https://hackmd.io/@husseinsheikho/pandas-interview

#DataAnalysis #PythonInterview #DataAnalyst #Pandas #NumPy #Matplotlib #Seaborn #SQL #DataCleaning #Visualization #MachineLearning #Statistics #InterviewPrep


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