365 Data Science Q&A Hub

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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
Python 101: Kickoff
Introducing Algorithms in Python
Speech Recognition with Python
Deep Learning with Pytorch
Intermediate Revenue Analytics
Introduction to Data Architecture
Introduction to Hugging Face
Introduction to AWS Cloud
LLM Engineering in Practice with Streamlit and OpenAI
Understanding Cloud Computing
Introduction to Data Warehousing
Building Data Pipelines with Apache Airflow
Math Foundation for ML
Data Ingestion with Pandas
Introduction to LLaMA
Intro to Google Cloud
Fully Automated MLOps
Econometrics I
Intro to Shell
Intro to Microsoft Azure
Python Coding Interview Prep
Power BI Data Visualization Hero
Python 102: Beginner's Power-Up
AI Ethics
AI Model deployment on AWS
Evaluating AI Agents: From Metrics to Real-World Impact
Introduction to Databricks
MCPs for Everyone: Supercharge Your AI Tooling Skills
Advanced Time Series Analysis with Python
Build Conversational AI Memory with LangGraph
ChatGPT at Work: Ethical and Secure ChatGPT Use
ChatGPT for SQL Beginners
Intro to AI Agents and Agentic AI
AI Strategy
Copilot in Excel
AI Agents in Practice
AI Agent Architecture

By status

Answered
Resolved

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
Python 101: Kickoff
Introducing Algorithms in Python
Speech Recognition with Python
Deep Learning with Pytorch
Intermediate Revenue Analytics
Introduction to Data Architecture
Introduction to Hugging Face
Introduction to AWS Cloud
LLM Engineering in Practice with Streamlit and OpenAI
Understanding Cloud Computing
Introduction to Data Warehousing
Building Data Pipelines with Apache Airflow
Math Foundation for ML
Data Ingestion with Pandas
Introduction to LLaMA
Intro to Google Cloud
Fully Automated MLOps
Econometrics I
Intro to Shell
Intro to Microsoft Azure
Python Coding Interview Prep
Power BI Data Visualization Hero
Python 102: Beginner's Power-Up
AI Ethics
AI Model deployment on AWS
Evaluating AI Agents: From Metrics to Real-World Impact
Introduction to Databricks
MCPs for Everyone: Supercharge Your AI Tooling Skills
Advanced Time Series Analysis with Python
Build Conversational AI Memory with LangGraph
ChatGPT at Work: Ethical and Secure ChatGPT Use
ChatGPT for SQL Beginners
Intro to AI Agents and Agentic AI
AI Strategy
Copilot in Excel
AI Agents in Practice
AI Agent Architecture

By status

Answered
Resolved

8671 results

Johannes Kofler

0

1

Code is not working - Macbook

Hey guys here is the error, the code is sadly not working. Would really appreciate your help. The theory part of this...

Deep Learning with TensorFlow 2

Last answered: Apr 3rd 2023

Johannes Kofler

3

1

Anaconda prompt on Mac is not working

Hello guys, I´d like to know how to enter the anaconda promt on mac. On google they said to just open the terminal on...

Deep Learning with TensorFlow 2

Last answered: Feb 6th 2023

0

5

Cannot create CustomScaler

Hi, I have tried multiple ways of writing and running the code from this lecture. After some time, I decided to...

SQL + Tableau + Python

Last answered: Apr 25th 2023

Swarntam Saurav

1

1

Resolved: What if we have a distribution with 2 peaks ?

Hi I came across data with an 'Unemployment Ratio' where distribution is very interesting. The mean of the...

Last answered: Apr 19th 2022

0

1

course exam for Introduction to data and data science

I want to take the course exam for introduction to data and data science by Martin Ganchev, but I cant seem to find...

Introduction to Data and Data Science

Last answered: Mar 9th 2022

0

2

Buttons to allow users to move from one page to another

I created a few buttons that allow me to move among pages (I have several pages on the dashboard). However, one has...

Last answered: Nov 9th 2023

Super learner

0

1

Add this dimensions to data view in tableau?

I don't see dimensions in my version of tableau. Is there a way to add this to my data view?

Introduction to Tableau

Last answered: Mar 7th 2022

João Augusto Freire

0

1

I've put three conditions:

I did the following: n1 = input("We need you to input two numbers. Input the first number: \n > ") n2 = input("Now...

Python Programmer Bootcamp

Last answered: Mar 7th 2022

ABDULGAFAR SALIUOKULU

Super learner

0

1

Resolved: i get this shape when i run this line of code

data_3 = data_2[data_2['EngineV']<0.65] sns.displot(data_3['EngineV'])

Machine Learning in Python

Last answered: Mar 4th 2022

0

1

Can not get print to work

Python Programmer Bootcamp

Last answered: Mar 4th 2022

Yossef Mohamed Elfeel

1

1

Resolved: FINISHED half of data science track, but I think I should have started the data analyst track first?

the problem is I'm lost I started data science track and make a good process on it but I think I...

Last answered: Mar 9th 2022

0

1

SQL for Mac 12.00 and after!

I am not able to download SQL for my Mac,which is version 12.1 Monterey, and I was looking on Google for an answer,...

Last answered: Mar 23rd 2022

ABDULGAFAR SALIUOKULU

Super learner

0

1

Resolved: ValueError: Length of values (2) does not match length of index (3)

i get this error when i run this line of code reg_summary =...

Machine Learning in Python

Last answered: Mar 4th 2022

ABDULGAFAR SALIUOKULU

Super learner

0

1

Resolved: adj_R^2 returns an Nd array of 2 columns

Hi, when i run this code for calculating the adjusted R2 'r_adj=1-(1-r2)*(n-1/n-p-1)' I get an nd array of 1x2....

Machine Learning in Python

Last answered: Mar 4th 2022

Christian Valiente

0

1

Practice exam on Python, Question 6

Hi, I was wondering if the answer to this question can be option 4, or it's only option 2? And please...

Introduction to Python

Last answered: Mar 24th 2022

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popular questions

Omar R. Valencia García

28

5

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

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

Davide Sanchioni

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Sixth question of the practice exam

11

9

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Adetunji Fasiku

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9

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Zachary Roblyer

9

3

Resolved: Feedback for practice exam

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1

Using z statistics instead of t statistics

Mohamed Abdelazim Mohamed Elsrougy

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Resolved: Downloading Video Materials

Abdulmalik Alkhamis

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This is inconsistent with the quiz