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
8328 results
Namnso Obot
0
1
How can I add an AUTO_INCREMENT to an already existing table?
Have tried altring the table and adding auto_increment(customer_id) but giving error.  
SQL
Last answered: Apr 11th 2024
345 views
Doaa Osman
Super learner
This user is a Super Learner. To become a Super Learner, you need to reach Level 8.
0
0
stack.plot not working
it gives me this error ufunc 'isfinite' not supported for the input types, and the inputs could not be safely coerced...
The Complete Data Visualization Course with Python, R, Tableau, and Excel
324 views
Lukas
0
0
Diffrentwebsite.
Hello there, can it be that they changed there branding on the webpage? I only find under the URL Posit.co. 
The Complete Data Visualization Course with Python, R, Tableau, and Excel
295 views
amr Mettwally abd elhafiz
0
1
Resolved: difference between metrics and measures
the example average of revenue per customer is a measure why i have to consider a metric can u clearify the diffrence...
Introduction to Data and Data Science
Last answered: May 4th 2024
383 views
Jonathan Kolawole
Super learner
This user is a Super Learner. To become a Super Learner, you need to reach Level 8.
0
3
Resolved: KNN Practice Exam 1: Question 1
Hello. My results for Question 1 are not the same as the one recorded. Here are code snippets for review: What...
Machine Learning with K-Nearest Neighbors
Last answered: Apr 8th 2024
355 views
Abdulrahman Nasser Albadi
0
1
Resolved: 365 Courses covered transfomers topic
In this lesson the instructor mentioned that there are courses covering transformer topics, can you inform me which...
Intro to NLP for AI
Last answered: Apr 8th 2024
432 views
Natchanok Chaisongkram
1
7
reg.predict(new_data) has a warning.
 What does this warning mean? I recieved the result properly (the table contains Predicted_GPA).
Machine Learning in Python
Last answered: Jun 19th 2024
589 views
Yaroslav Leshchenko
0
1
Please explain why in lecture test indicated as one-sided, when Ho : -4? thank you.
As I understood it is two-sided test, as H1 : not equal -4%
Statistics
Last answered: Apr 8th 2024
560 views
Osamu Ohara
0
1
Resolved: to start Kaggle competition
Hi , I am taking courses of "Data scientist" at the moment. I would like to challange the competition of Kaggle in...
Python Programmer Bootcamp
Last answered: Apr 8th 2024
397 views
Jonathan Kolawole
Super learner
This user is a Super Learner. To become a Super Learner, you need to reach Level 8.
1
1
Using the glob.glob Function on Mac
This is not a question but just a note to anyone using Macbook to change the code...
Machine Learning with Naïve Bayes
Last answered: Apr 5th 2024
385 views
Avinash Bisram
0
0
P-value Question
Hi, At time 2:45 in the video, we see the output of the Dickey-Fuller test has a p-value = 0.41. The explanation of...
Time Series Analysis with Python
317 views
Dhaksnamoorthy G
0
2
Resolved: Doubts regarding the heading format
Hi, Firstly, Thanks for the amazing content. As I've followed the steps from the video it worked as shown in the...
Introduction to Excel
Last answered: May 17th 2024
615 views
Salaheddine Hammou
0
1
I have a question
Why did you use dept_manager  not dept_emp table in the solution? Note that dept_emp have more records than...
SQL
Last answered: Apr 8th 2024
281 views
Jonathan Kolawole
Super learner
This user is a Super Learner. To become a Super Learner, you need to reach Level 8.
0
0
Tooltips Only Showing the "Auto" Option
In the tooltips section on the filled map, the only option showing in the dropdown is "Auto". When I tried...
Building Business Reports Using Power BI
296 views
David Rodrigo Contla Cortes
0
0
LOVING THE PUNS
Just wanted to say that the puns are becoming the highlight of this course and making it stand out from all others....
Introduction to R Programming
275 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