365 Data Science Q&A Hub

Receive support from your instructors, build positive interactions with fellow data science students, and have fun while advancing in data science. Please be respectful and patient while interacting with others in the 365 Data Science Q&A hub. For more details on the code of etiquette, you should abide by, read our Community Guidelines.

By course

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
Python 101: Kickoff
Introducing Algorithms in Python
Speech Recognition with Python
Deep Learning with Pytorch
Intermediate Revenue Analytics
Introduction to Data Architecture
Introduction to Hugging Face
LLM Engineering in Practice with Streamlit and OpenAI
Understanding Cloud Computing
Introduction to Data Warehousing
Building Data Pipelines with Apache Airflow
Math Foundation for ML
Data Ingestion with Pandas
Introduction to LLaMA
Intro to Google Cloud
Fully Automated MLOps
Intro to Shell
Intro to Microsoft Azure
Python Coding Interview Prep
Python 102: Beginner's Power-Up
AI Ethics
Build Conversational AI Memory with LangGraph
ChatGPT at Work: Ethical and Secure ChatGPT Use

By status

Answered
Resolved

By course

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
Python 101: Kickoff
Introducing Algorithms in Python
Speech Recognition with Python
Deep Learning with Pytorch
Intermediate Revenue Analytics
Introduction to Data Architecture
Introduction to Hugging Face
LLM Engineering in Practice with Streamlit and OpenAI
Understanding Cloud Computing
Introduction to Data Warehousing
Building Data Pipelines with Apache Airflow
Math Foundation for ML
Data Ingestion with Pandas
Introduction to LLaMA
Intro to Google Cloud
Fully Automated MLOps
Intro to Shell
Intro to Microsoft Azure
Python Coding Interview Prep
Python 102: Beginner's Power-Up
AI Ethics
Build Conversational AI Memory with LangGraph
ChatGPT at Work: Ethical and Secure ChatGPT Use

By status

Answered
Resolved

8526 results

0

1

Business Value of the APP

Hello,Thank you for your incredible effort in this course and for providing such helpful content. I have a few doubts...

LLM Engineering in Practice with Streamlit and OpenAI

Last answered: 8 days ago

0

1

Database Integration

Hi,How to integrate a database with the LLM to pick up a relevant question to user profile?

LLM Engineering in Practice with Streamlit and OpenAI

Last answered: 8 days ago

Dahlia Sherif El Ashmawy

1

1

videos aren't working

a displayed message " The Video Cloud video was not found." can't open any video except for the 3rd one MacOs

Last answered: 11 days ago

0

2

Fact & Dim tables

If I want to remove or move something from a table, should I start with the dim table or the fact table, given their...

Introduction to Data Warehousing

Last answered: 12 days ago

Abdulrahman Nasser Albadi

0

1

Resolved: why pip not conda

For installing scikit-learn and tensorflow-datasets why we run pip command instead of conda install scikit-learn and...

Deep Learning with TensorFlow 2

Last answered: 14 days ago

Aziz Abdrakhimov

0

2

Missing value in the formula

(B.T @ B)-1 @ B.T @ X

Math Foundation for ML

Last answered: 19 days ago

0

1

About availability on devices

I want to ask how many devices a single subscription plan will be available

Last answered: 19 days ago

0

1

Course not restarting where i left off when revisiting

Hi recently joined 365datascience. Started a intro to data and data sceince but when I log in the next day the course...

Introduction to Data and Data Science

Last answered: 14 days ago

Andrei Șerbănescu

0

2

About The AI Engineer Course 2025: Complete AI Engineer Bootcamp

Hello! About lesson 204/205 from The AI Engineer Course 2025: Complete AI Engineer Bootcamp: when I try to run...

Build Chat Applications with OpenAI and LangChain

Last answered: 19 days ago

0

1

Resolved: Git Configure Doubt

when we configure git and type our email , then does that connect our git with our github account?Also why do we need...

Last answered: 22 days ago

sai vamshi koppunuru

0

1

Cannot able to get results when using CALL emp_avg_salary.

When i am using call procedure_name its showing me an error and also the delimiter is not highlighted in mysql.

Last answered: 22 days ago

Jason Armstrong

0

3

Resolved: Introduction to Data and Data Science Ques 22

Hi,Great work on putting the course together; really well done. If I wanted to know how many companies were VC...

Introduction to Data and Data Science

Last answered: a month ago

Dimiter Emilov Ivanov

0

1

Resolved: Feedback on Practice Exam: 2 – Time Limit and Learning Experience

I would like to fully support the feedback shared by Zachary Roblyer and Andreas Mueller.The 12-minute time limit for...

Last answered: 8 days ago

0

0

Erros while installing Apache airflow in visual studio

Building Data Pipelines with Apache Airflow

DHIRENDRA PRATAP SINGH

0

2

Resolved: do we need to add any semicolon after the function

like other programming language do wee need here after compleletion after statement

Python 101: Kickoff

Last answered: Jun 30th 2025

1
2
3
...
285
...
569

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

Zachary Roblyer

9

3

Resolved: Feedback for practice exam

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?