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.

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

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

8328 results

Super learner

0

1

Resolved: Why use Index Match when you can just use Index?

I had to watch the video and read the notes a few times but from what I understand the Index formula uses rows and...

Introduction to Excel

Last answered: Jan 15th 2023

2

1

lamborarri is a golden name for car

lamborarri is a golden name for car

Project Management

Last answered: Jan 17th 2023

Salaheddine Hammou

1

4

question number 5

I think there's faults in Frequency distribution table (Cumulative frequency)

Last answered: Mar 2nd 2024

1

3

Resolved: Is the minus sign to keep null values of the emp_no at the bottom?

I tried to remove the minus sign and played with order ASC and DESC and realized that since we are ordering by emp_no...

Last answered: Jan 18th 2023

0

0

What about DMD ( Dynamic Mode Decomposition )

Hi , i have watched some videos for DMD. Can we use DMD for wide spreading data over time ? I think it can solve the...

Machine Learning in Python

0

1

R squared for categorical

I have a question regarding the factors that R depends on, the type of data, So I remember saying that it must be two...

Last answered: Jan 14th 2023

Aniruddha Chourasia

2

2

ROLLBACK execution!

In the video example, we changed the last_name from 'Winnfield' to 'Johnson' using the UPDATE statement and then used...

Last answered: May 29th 2024

0

0

Organizing pivot table

While creating the pivot table, if I select the "Client Type" in Rows, then for the table "Volume by Client Type",...

The Complete Data Visualization Course with Python, R, Tableau, and Excel

0

1

Resolved: Combinations with Repetition

Hello. In the pizza example, does it take into consideration choosing all 3 of the same toppings? Or is it only in...

Last answered: Jan 20th 2023

Super learner

0

3

Resolved: Concatenate vs &

I think I asked a similar question about other Excel features in another lesson but I have to ask, what is the...

Introduction to Excel

Last answered: Jan 26th 2023

0

1

Resolved: No display Units option

Hello. I found that the newest version of Power BI has no "Display United" on the original place. Can you help find...

Last answered: Jan 15th 2023

Nick Konovalchuk

0

0

Goal: "Inference" vs "High Predictive Power"

What do you mean by both?

The Machine Learning Process A-Z

Salaheddine Hammou

0

3

sample variance

Why do you devise by n-1?

Last answered: Jun 29th 2024

Nick Konovalchuk

0

0

KNN training time

I was thinking like "What? Isn't KNN supposed to just memorize the training data? Why it takes any time at all?"...

The Machine Learning Process A-Z

0

4

Resolved: My Certificate Name

i want to add my last name on the certificate of SQL And Other Courses As Well

Last answered: Jun 23rd 2023

1
...
99
...
195
196
197
198
199
...
377
...
556

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

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?

Zachary Roblyer

8

3

Resolved: Feedback for practice exam