365 Data Science Q&A Hub

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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
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Negotiation
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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

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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
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8328 results

1

1

Alter table modify or change column

while altering table to add null or not null, do we have o use modify or change column, since its way too confusing....

Last answered: Apr 8th 2024

1

1

Resolved: Request for Consideration: Expanding Course Offerings to Include Cloud Computing with Data Science

Would you kindly consider broadening your course selection to encompass topics on cloud computing intertwined with...

Last answered: Apr 8th 2024

0

1

x bar represents sample mean then why is the answer choice 3?

why x bar is not 4.5 based on the formula it should be (1+3+5)/(3-1). Could you please explain this?

Last answered: Apr 8th 2024

Laís Maranhão

0

1

Question 2 - Seems all options are right

I don't understand the question in question 2. Weren't all the options explained in the video??

Introduction to Business Analytics

Last answered: Apr 8th 2024

Muhammad Danyal

1

1

It's show me upgrade.

When I have applied on Data science career path courses so it's as fully free of cost but after the completion of 3...

Introduction to Data and Data Science

Last answered: Apr 1st 2024

Enrique del Campo Estrada

2

0

Improvement in the Website Appearance: Enhancing the User Experience

Hello :)I believe it could be beneficial to add the course name in the menu, since sometimes, at least from my...

Alastair Cooper

Super learner

0

0

Add-in file XRealStats.xlam is blocked by default for some reason - solution found

The add-in required for this course is blocked by default and excel throws multiple errors when you try to load it...

Machine Learning in Excel

Meenakshi Dangi

0

1

Resolved: len() function arguments

Why len('s') works but len(2) not? Does len() function takes only strings?

Introduction to Python

Last answered: Apr 8th 2024

Meenakshi Dangi

0

1

Resolved: define a function in the other function

Here we call one function while defining another function can we define one function in other function?

Introduction to Python

Last answered: Apr 8th 2024

Meenakshi Dangi

0

1

Resolved: Power operator sequence

**In example - It has to be right operand to the power of left operand, right?

Introduction to Python

Last answered: Apr 8th 2024

0

2

Resolved: Pro Tip: Get a statistics textbook if you really want to learn

The title. Literally, the title. Learning doesn't come from one source. So many comments on Aristotle vs Benjamain...

Last answered: Apr 8th 2024

0

1

INt (size), What does it mean?

What does INT(size) mean in my sql, and is it necessary to include size in brackets after INT. Its pretty confusing....

Last answered: Mar 30th 2024

Olukunle Emmaunel Oluwatobi

1

0

Population variance

what is the fomula to calculatr population variance unknown but assume to be different

0

3

Resolved: Legend not displaying properly

Hi, In the scatter plot, the "square" marker for the first class '0' is not displayed correctly in the legend. Please...

Machine Learning with K-Nearest Neighbors

Last answered: Apr 1st 2024

Alastair Cooper

Super learner

0

0

kmeans.fit(x) not working? - AttributeError: 'NoneType' object has no attribute 'split'. - try this

I had trouble with the line ... kmeans.fit(x) Threw a long error message ending in ... AttributeError: 'NoneType'...

Machine Learning in Python

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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