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
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Introduction to Excel
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Starting a Career in Data Science: Project Portfolio, Resume, and Interview Process
SQL + Tableau
Time Series Analysis with Python
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Customer Analytics in Python
Web Scraping and API Fundamentals in Python
Introduction to Python
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Machine Learning in Excel
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Persuasion and Influence
Excel for Project Management
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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

0

3

Resolved: population standard deviation

hey! for calculating standard error we need population standard deviation and if we know population standard...

Last answered: Jul 5th 2024

TULASI BHARATHI

0

2

Resolved: Inputs and outputs are a part of the dataset for translation?

Hi! In this, it was explained as the inputs are for example in French and the outputs are for example in English. So...

Last answered: Jul 4th 2024

TULASI BHARATHI

0

2

Resolved: Any model or any way without any costs

Hi! For practicing, is there any model or any way without any costs?

Last answered: Jul 4th 2024

0

1

Resolved: Interval width formula?

Hello, please correct me if I am wrong. The interval width formula is =Range/desired number of intervals Range=Max...

Last answered: Jul 3rd 2024

0

1

Resolved: Answer sheet for the exercise questions?

Hello, it's wonderful to have a test exercise at the end of each lecture. And it would be more encouraging if the...

Last answered: Jul 4th 2024

0

2

Problem in joins

I have watched Using Joins in Tableau. In the video, it is shown that after importing bith Audiobook sales and...

Introduction to Tableau

Last answered: Jul 4th 2024

RAJAONARIVONY Tsiory Kevin

Super learner

0

2

Resolved: KPI numbers for each strategic goal

You said un the beginning to get 3 to 5 KPIs per goal. And in the end for your team to get 10 indicators per...

Mastering Key Performance Indicators (KPIs)

Last answered: Jul 5th 2024

Jonathan Kolawole

Super learner

0

2

REWARD FUNCTIONS

Are reward functions not functions we are trying to maximize?If I got the lesson correctly, the higher the reward...

Deep Learning with TensorFlow 2

Last answered: Jul 4th 2024

0

1

Resolved: Grouping the numerical data into intervals?

Doe the concept of intervals be the same as the earlier one ?Intervals which do not have a true zero and are a part...

Last answered: Jul 2nd 2024

CHAYAN MEHROTRA

0

2

Addition of +1 to the denomenator

I am not able to understand why +1 needs to be added to the denomenator

Credit Risk Modeling in Python

Last answered: Jul 4th 2024

1

1

Discrepancy between Exercises and Solutions

The Attribute and Method Chaining in Exercises file has the problem "Use method chaining to obtain the first five...

Data Cleaning and Preprocessing with pandas

Last answered: Jul 1st 2024

0

1

PRIMARY KEY is not madatory for a table?

What happens if we do not add Primary Key to the code? I tried executing and ran succesfully. Should we only add the...

Last answered: Jul 4th 2024

Marwa Hamid Adam Bakheet

0

1

Files is not readable

All the files are not readable to me inspite that I have jupyter, what should I do more?

Introduction to Jupyter

Last answered: Jul 2nd 2024

0

1

Download Issue of Resource Files

I am facing a problem to download resource files. I have attempted my first exam where i couldn't download the...

Introduction to Excel

Last answered: Jul 4th 2024

0

1

data table issue

All the results in the table I got is the same result with the same number 1611

Introduction to Excel

Last answered: Jul 4th 2024

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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

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not showing as completed even though I have complete the course. Please help me fix it

Gabriel de Jesus Patiño Pino

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The answer to the third question is wrong (Practical exam 2: Discrete Distributions)

Davide Sanchioni

11

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Sixth question of the practice exam

11

9

Resolved: My comments on this course

Adetunji Fasiku

11

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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