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
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
  • Speech Recognition with Python
  • LLM Engineering in Practice with Streamlit and OpenAI
  • Building Data Pipelines with Apache Airflow
By status
  • Answered
  • Resolved
Clear all
Order by
  • Date posted
  • Date last answered
  • Number of answers
  • Number of votes
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
  • Speech Recognition with Python
  • LLM Engineering in Practice with Streamlit and OpenAI
  • Building Data Pipelines with Apache Airflow
By status
  • Answered
  • Resolved
Clear all
8434 results
Shobhit Agnihotri
0
3
Resolved: series function is not working
pd.series is showing error in pandass .please explain me
Data Cleaning and Preprocessing with pandas
Last answered: Sep 14th 2023
677 views
Sai Lalith Polawar
0
2
Error while executing the ALTER query
I followed the same query as shown in the video but I am facing an error stating "Error Code: 1822. Failed to add the...
SQL
Last answered: Sep 18th 2023
631 views
Antonio da Silva
1
0
There's a Sprint "0"?
Hi all, Please, in Scrum Manifesto there's no reference to a sprint 0. It doesn't exist. Thanks, Antonio
Agile and Scrum Project Management
993 views
Murad Qasem Yahya Alhakem
0
1
Rapid Explaination
Despite the fact that the course is aimed at beginners, the instructor's explanation is too rapid and difficult to...
Introduction to R Programming
Last answered: Sep 15th 2023
552 views
Hazem Elbatawy
0
1
INNER Join exercise solution code resolve
i used that code and joined three tables and get result includes the title SELECT     m.emp_no, ...
SQL
Last answered: Sep 13th 2023
559 views
Cyd-Marie Allette
0
7
Bar Chart at 1:41 in the video is not showing
Bar chart is not showing after I make the connection between the fact and dim tables.
Power BI
Last answered: Nov 11th 2024
1484 views
Ernest Asena
Instructor
0
3
Loading spacy models
I had an error running this line: nlp = spacy.load("en_core_web_sm")I don't remember where it was showed in the...
Intro to NLP for AI
Last answered: Mar 16th 2024
640 views
Sherine Chen
1
5
Why drawing a queen and drawing a jack is NOT an independent event?
Hi,  I was at the question 2/3 of quiz for Dependent and Independent Events, and I just have my doubt about the...
Probability
Last answered: Jan 9th 2024
1243 views
Aya B
0
1
Project files not opening
Hi! I am having difficulties opening the project files. Hence, I am not able to complete the course. Can you please...
Introduction to Excel
Last answered: Sep 15th 2023
1102 views
Teodora Avramova
0
1
How to calculate
Hello, is not explained how to construct this distribution and how calculate that in Excel. Can you please explane?
Statistics
Last answered: Sep 20th 2023
1234 views
Sherine Chen
0
1
I have question about a quiz question of quiz questions of The Intersetion of Two Sets
Hi, I am at The Intersection of two sets - Quiz section now, and I don't get Question 3/3 as to why the smaller set...
Probability
Last answered: Sep 12th 2023
747 views
Amazigh KHERMANE
0
1
Resolved: question 7 fibonacci series
i tried this code for the fibonacci series: fibonacci =[0, 1]length = int(input('enter the length of the series...
Python Programmer Bootcamp
Last answered: Sep 12th 2023
664 views
Amazigh KHERMANE
0
2
Resolved: can anyone help me with this
num1 = int(input('enter a number'))num2 = int(input('enter a number'))while (num1 or num2 > 100) or (num1 or num2...
Python Programmer Bootcamp
Last answered: Sep 11th 2023
774 views
Patrick Bentolila
Super learner
This user is a Super Learner. To become a Super Learner, you need to reach Level 8.
0
0
How to make your dream come true?
Nice to see you managed to fly a jet. A great achievement. They could have just ignored your demand. I suppose there...
Mastering Key Performance Indicators (KPIs)
514 views
Xannique Richards
0
3
Resolved: Access denied in Command Prompt
I tried to use command prompt to fix the issue in this video however the screenshot is what I am seeing.
SQL
Last answered: Oct 2nd 2023
875 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