365 Data Science Q&A Hub

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Introduction to Tableau
The Complete Data Visualization Course with Python, R, Tableau, and Excel
Introduction to R Programming
Data Preprocessing with NumPy
Introduction to Data and Data Science
Data Cleaning and Preprocessing with pandas
Introduction to Business Analytics
Data Analysis with Excel Pivot Tables
SQL
Credit Risk Modeling in Python
Python Programmer Bootcamp
SQL + Tableau + Python
Introduction to Jupyter
Statistics
Mathematics
Introduction to Excel
Probability
Starting a Career in Data Science: Project Portfolio, Resume, and Interview Process
SQL + Tableau
Time Series Analysis with Python
Power BI
Product Management for AI & Data Science
Git and GitHub
Deep Learning with TensorFlow 2
Customer Analytics in Python
Web Scraping and API Fundamentals in Python
Introduction to Python
Python for Finance
Machine Learning in Python
Advanced Microsoft Excel
Convolutional Neural Networks with TensorFlow in Python
Data Strategy
Fashion Analytics with Tableau
Dates and Times in Python
SQL for Data Science Interviews
Data Literacy
AI Applications for Business Success
Linear Algebra and Feature Selection
Machine Learning with Naïve Bayes
Machine Learning in Excel
Machine Learning with Support Vector Machines
A/B Testing in Python
Machine Learning with Decision Trees and Random Forests
Machine Learning with K-Nearest Neighbors
Machine Learning with Ridge and Lasso Regression
Data-Driven Business Growth
Corporate Strategy
Marketing Strategy
Negotiation
Management
Persuasion and Influence
Excel for Project Management
Agile and Scrum Project Management
Project Management
Blockchain for Business
How to Think Like a Data Scientist to Become One
Power Query and Data Modeling
Introduction to DAX
Building Business Reports Using Power BI
The Machine Learning Process A-Z
Working with Text Files in Python
Intermediate Python Programming
Advanced SQL
The Machine Learning Algorithms A-Z
Customer Churn Analysis with SQL and Tableau
Machine Learning Deep Dive: Business Applications and Coding Walkthroughs
Customer Engagement Analysis with SQL and Tableau
Advanced SQL for Data Engineering
Communication and Presentation Skills for Analysts and Managers
Intro to ChatGPT and Generative AI
Data Analysis in PowerBI with ChatGPT
Mastering Key Performance Indicators (KPIs)
Sign-Up Flow Optimization Analysis with SQL and Tableau
Python for Social Media Analytics
Intro to NLP for AI
Data Analysis with ChatGPT
ChatGPT for Data Science
Intro to LLMs
Growth Analysis with SQL, Python, and Tableau
Intro to Data Engineering
Statistical Tests in Sales and Marketing
Build Chat Applications with OpenAI and LangChain
Introduction to Vector Databases with Pinecone
Intro to Revenue Analytics
Intro to AI

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Filter courses

Introduction to Tableau
The Complete Data Visualization Course with Python, R, Tableau, and Excel
Introduction to R Programming
Data Preprocessing with NumPy
Introduction to Data and Data Science
Data Cleaning and Preprocessing with pandas
Introduction to Business Analytics
Data Analysis with Excel Pivot Tables
SQL
Credit Risk Modeling in Python
Python Programmer Bootcamp
SQL + Tableau + Python
Introduction to Jupyter
Statistics
Mathematics
Introduction to Excel
Probability
Starting a Career in Data Science: Project Portfolio, Resume, and Interview Process
SQL + Tableau
Time Series Analysis with Python
Power BI
Product Management for AI & Data Science
Git and GitHub
Deep Learning with TensorFlow 2
Customer Analytics in Python
Web Scraping and API Fundamentals in Python
Introduction to Python
Python for Finance
Machine Learning in Python
Advanced Microsoft Excel
Convolutional Neural Networks with TensorFlow in Python
Data Strategy
Fashion Analytics with Tableau
Dates and Times in Python
SQL for Data Science Interviews
Data Literacy
AI Applications for Business Success
Linear Algebra and Feature Selection
Machine Learning with Naïve Bayes
Machine Learning in Excel
Machine Learning with Support Vector Machines
A/B Testing in Python
Machine Learning with Decision Trees and Random Forests
Machine Learning with K-Nearest Neighbors
Machine Learning with Ridge and Lasso Regression
Data-Driven Business Growth
Corporate Strategy
Marketing Strategy
Negotiation
Management
Persuasion and Influence
Excel for Project Management
Agile and Scrum Project Management
Project Management
Blockchain for Business
How to Think Like a Data Scientist to Become One
Power Query and Data Modeling
Introduction to DAX
Building Business Reports Using Power BI
The Machine Learning Process A-Z
Working with Text Files in Python
Intermediate Python Programming
Advanced SQL
The Machine Learning Algorithms A-Z
Customer Churn Analysis with SQL and Tableau
Machine Learning Deep Dive: Business Applications and Coding Walkthroughs
Customer Engagement Analysis with SQL and Tableau
Advanced SQL for Data Engineering
Communication and Presentation Skills for Analysts and Managers
Intro to ChatGPT and Generative AI
Data Analysis in PowerBI with ChatGPT
Mastering Key Performance Indicators (KPIs)
Sign-Up Flow Optimization Analysis with SQL and Tableau
Python for Social Media Analytics
Intro to NLP for AI
Data Analysis with ChatGPT
ChatGPT for Data Science
Intro to LLMs
Growth Analysis with SQL, Python, and Tableau
Intro to Data Engineering
Statistical Tests in Sales and Marketing
Build Chat Applications with OpenAI and LangChain
Introduction to Vector Databases with Pinecone
Intro to Revenue Analytics
Intro to AI

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Answered
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8328 results

AINA BINTI AZAZI

0

1

You calculated the gross profit margin wrong !

Supposedly (NetSales - cogs) / NetSales but you put addition instead of subtraction NetSales + cogs) / NetSales

The Complete Data Visualization Course with Python, R, Tableau, and Excel

Last answered: Apr 28th 2023

Super learner

1

0

which course is suitable for web development

helo,this is Tarika. I actually wanted to know will I be able to develop a website after finishing this course? Also...

AINA BINTI AZAZI

0

1

file csv format cannot be open

Why is my Tableau not able to connect to a.csv file? it can just connected to xlsx file format.

The Complete Data Visualization Course with Python, R, Tableau, and Excel

Last answered: Apr 28th 2023

2

1

Modify or change?

The assigment solution uses MODIFY to make the column NULL and CHANGE to make it NOT NULL. Is it necessary to do it...

Last answered: Apr 21st 2023

3

0

Course notes for the machine learning process A-Z course

Why there is no course notes for the machine learning process A-Z course

The Machine Learning Process A-Z

Samhitha Gaddam

0

1

exists vs in. just checking my understanding

select *from employeeswhere emp_no in(select emp_nofrom titleswhere title = 'Assistant Engineer');I used this query...

Last answered: Apr 21st 2023

0

1

Please explain the answer to the question 3

I don't understand why all complements are mutually exclusive. please give me the example. I think no mutually...

Last answered: Apr 18th 2023

0

1

Question 2 of quiz and it's answer isn't at all clear.

I read the explanation in the answer, but still it wasn't clear.

Last answered: Apr 18th 2023

1

1

Why was gender column drop from inputs

I noticed the gender column wasn't selected as an input, want to know why?

Machine Learning with Support Vector Machines

Last answered: Feb 6th 2024

AINA BINTI AZAZI

0

0

Why use inner joints instead of left join.

1)Why i think left join is much better than inner join. Using left join, we can include all the data from the...

Fashion Analytics with Tableau

7

3

Resolved: I'd suggest updating some of the fact shared. 2016 & 2017 are long gone years.

Please update your facts (otherwise you could riks your credibility).

Last answered: May 4th 2024

0

4

Resolved: Can we please download the transcripts?

Hi - is it possible to download the transcripts?

Last answered: Apr 24th 2023

Donald Trenholm

0

1

I couldn't reimport the strings columns

I got this warning

Data Preprocessing with NumPy

Last answered: Apr 17th 2023

Michał Wroński

0

0

Changes in Python and NumPy

Code from 4:20 According to post on StackOverflow there are some ongoing changes between Python and NumPy, code from...

Data Preprocessing with NumPy

Julián Elizondo

Super learner

0

1

Resolved: Introduction to Excel - Final Exam Question - Formula for Hiding Errors

Hi. Question no. 30 gives us 3 answers to choose from, IFERROR, ISERROR, and IFNA. I chose IFERROR and got marked as...

Introduction to Excel

Last answered: Apr 14th 2023

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popular questions

Omar R. Valencia García

28

4

The line reg.predict(1740) does not work anymore

Rafael Rodrigues de Siqueira

23

6

The ROLLBACK not working according to step-by-step class

13

1

I didn't quite understand the nuance from 3:48 till the end

Toluwase Olukayode

12

4

not showing as completed even though I have complete the course. Please help me fix it

Gabriel de Jesus Patiño Pino

12

0

The answer to the third question is wrong (Practical exam 2: Discrete Distributions)

Davide Sanchioni

11

3

Sixth question of the practice exam

11

9

Resolved: My comments on this course

Adetunji Fasiku

11

1

The Second Question's Confusing Ability

10

1

course question

9

1

Using z statistics instead of t statistics

Mohamed Abdelazim Mohamed Elsrougy

9

2

Resolved: Downloading Video Materials

Abdulmalik Alkhamis

9

1

This is inconsistent with the quiz

9

1

Suggestion: change the robot and arrows analogy

Abdelrahman El-kattan

8

5

the conclusion?

Zachary Roblyer

8

3

Resolved: Feedback for practice exam