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.

Ask a question
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
Filter questions by
  • Answered
  • Resolved
Clear all
Order by
  • Posted on
  • Last answered
  • Answers
  • Popularity
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
Filter questions by
  • Answered
  • Resolved
Clear all
8329 results
abbie
0
1
Purpose of "return -1"
Hello, I am running Professor Giles's solution. I am not sure what the purpose is of "return -1". If I remove...
Python Programmer Bootcamp
Last answered: Jun 8th 2023
694 views
Donald Trenholm
0
0
Getting as error with the LTM formula
Why am I getting this error?
The Complete Data Visualization Course with Python, R, Tableau, and Excel
566 views
Eslam Mohamed Helmi
0
0
Question 2
I cannot understand Q2 in the review questions   
Introduction to Business Analytics
951 views
Panagiotis Blatsas
0
3
Can you please explain how to fill the table GETPIVOTDATA in practice exam 2?
You say in the exercise question 3 if i remember correctly, to fill the Table sheet. I'm not sure how to do that, it...
Data Analysis with Excel Pivot Tables
Last answered: Jun 12th 2023
1238 views
Maurice Akosu
0
1
Appreciation and a big thumbs up.
The R(language) teaching is rather a suberb performance from Simona and the wonderful 365datascience team. Many...
Introduction to R Programming
Last answered: Aug 29th 2023
614 views
Bang Ta
0
1
Resolved: TaBang - Question 2,
Why the recession cannot be considered as a key driver? If the world is under recession, absolutely majority of...
Introduction to Business Analytics
Last answered: Jun 7th 2023
1011 views
Bang Ta
2
0
TaBang - Question No.1,
Why the answer of this question "Why stakeholder mapping is important for the business analytics process?" is C...
Introduction to Business Analytics
1176 views
Oskar Ciolka
0
1
No OLS in Sklearn?
I don't think you mentioned OLS method used in statsmodels. Does sklearn use something different to perform the...
Machine Learning in Python
Last answered: Jun 7th 2023
540 views
Abin Krishna K
0
1
jupyter console
Like to know about commands used in jupyter console to create projects, insert projects and also about the...
Introduction to Jupyter
Last answered: May 23rd 2024
1006 views
Olanike Aladeojebi
0
1
Unique constraint assignment error message
Why is it giving me the error message of duplicate? ALTER TABLE customers ADD COLUMN gender ENUM('M','F')...
SQL
Last answered: Jun 7th 2023
517 views
Doaa Osman
Super learner
This user is a Super Learner. To become a Super Learner, you need to reach Level 8.
0
1
Resolved: formatting issues
I am trying to convert theses numbers to percentage by using format pane, but intstead to getting 1.74% I get 174%,...
Customer Churn Analysis with SQL and Tableau
Last answered: Jun 6th 2023
553 views
Moustafa Mahmoud
0
1
Resolved: Mid Funnel conclusion and Risks
Based on what for example in Mid Funnel we determine there are 1K customer 40% we do it
Data-Driven Business Growth
Last answered: Jun 7th 2023
477 views
Chris Middlebrooks
0
1
Error when executing insert_query
Hello, I am receiving an error message when executing the insert_query variable that was created in the previous...
SQL + Tableau + Python
Last answered: May 22nd 2024
543 views
Julián Elizondo
Super learner
This user is a Super Learner. To become a Super Learner, you need to reach Level 8.
0
0
Data Strategy - KBQs
I have this idea that some people in the organization might not be well-acquainted with the KBQ definition. Would it...
Data Strategy
656 views
Natchanok Chaisongkram
0
4
Please explain more about Winning and Drawing in Question 4
Please explain both Winning and Drawing definition in this context. In the sample space, are there any set rather...
Probability
Last answered: Feb 4th 2024
755 views

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
E E
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
Christine Li
11
9
Resolved: My comments on this course
Adetunji Fasiku
11
1
The Second Question's Confusing Ability
Anower Hossain
10
1
course question
Ali Safaei
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
Luiz
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