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
Sakthi Janani
0
1
Retake of my exam
I want get the certificate so that i have attempted the test and i have failed i would like to retake it , it shows...
Introduction to Data and Data Science
Last answered: Nov 14th 2022
1052 views
MOHAMMAD NAZMUL ISLAM
0
1
It showing error messages on the Spyder Console
I did the same thing as Instructor said but for some reason I'm getting error message warning at the console. Can you...
Python Programmer Bootcamp
Last answered: Nov 14th 2022
1301 views
Shivdas Acharya
0
2
Is there a certificate?
Unable to find the final exam for certificate ?
Introduction to Data and Data Science
Last answered: Nov 16th 2022
1119 views
Shivdas Acharya
1
1
Taking the final exam
How do I take the final exam after finishing the practice exam.
Introduction to Data and Data Science
Last answered: Nov 13th 2022
1324 views
NJODZELA BU-UNYUY DORCAS W.
0
2
Taking the practice exam and final exam
How do I take the final exam after finishing the practice exam?
Introduction to Data and Data Science
Last answered: Nov 16th 2022
1238 views
mahmoud Dayem
0
1
show regression equation using python
how show regression equation using python on the graph
The Complete Data Visualization Course with Python, R, Tableau, and Excel
Last answered: Nov 14th 2022
1728 views
Eddy Lim Wei Teck
2
1
Resolved: Lifetime membership
How do I get the lifetime membership option as other students?
Last answered: Nov 14th 2022
1325 views
aya Mohammed abdalsalam
0
1
why we used covariance rather than std
not understand the part of different value in example .the part in which we used cv to get right result?
Statistics
Last answered: Nov 12th 2022
1697 views
Ihuoma Emmanuel
0
0
GETPIVOTDATA -fix doesn't work for 2019
I am using MS 2019, it is not referencing cells outside the pivot table even after copying and pasting also the cell...
Data Analysis with Excel Pivot Tables
1468 views
Rasoul Heydari
0
1
Error in Exercise Resource Downloading (Tips and Tricks for JOINS)
Hi Thank you for the professional teaching. I cannot download the resource of the Tips and Tricks for JOINS exercise...
SQL
Last answered: Nov 15th 2022
925 views
Habeeba Fatima
1
1
Can you please explain the 3 question of the practice exam.
Application of functions is easy but do I have to subtract the mean from all the datapoints first and then divide it...
Statistics
Last answered: Dec 14th 2022
1757 views
Md Merajuddin
0
0
Free power bi pro trial
please I need an email id to access this section
Power BI
1373 views
Ahmed MohmmedAli Abdalhafiz Tambal
0
1
What is the probability of drawing a spade from a standard deck of 52 playing cards?
I did not understad the answer ?
Probability
Last answered: Nov 14th 2022
1100 views
Md Merajuddin
0
15
Sales last month
I am getting a blank when choosing sales last month. Can someone please help me out
Power BI
Last answered: Nov 16th 2024
2230 views
somil gupta
1
3
Resolved: No. of records did not match
In your output you got around 3lakh records, but I only got 17944 records and at the time of creation of database...
SQL
Last answered: Nov 18th 2023
1094 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