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
  • Python 101: Kickoff
  • Introducing Algorithms in Python
  • Speech Recognition with Python
  • Intermediate Revenue Analytics
  • Introduction to Data Architecture
  • Introduction to Hugging Face
  • 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
  • Fully Automated MLOps
  • Python Coding Interview Prep
  • Python 102: Beginner's Power-Up
  • AI Ethics
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
  • Python 101: Kickoff
  • Introducing Algorithms in Python
  • Speech Recognition with Python
  • Intermediate Revenue Analytics
  • Introduction to Data Architecture
  • Introduction to Hugging Face
  • 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
  • Fully Automated MLOps
  • Python Coding Interview Prep
  • Python 102: Beginner's Power-Up
  • AI Ethics
By status
  • Answered
  • Resolved
Clear all
8503 results
Elena Rodríguez Calderón
0
2
Resolved: Trouble separating by age and sex
My code was following the course: tb <- read.csv("tb.csv") tb <- as.tibble(tb) tb tb.gathered <- tb %>%...
Introduction to R Programming
Last answered: Nov 12th 2022
1329 views
Ankit Gupta
1
7
Q6 - Are KBQs not dependent on stakeholders?
Identifying KBQs is important. But is it not more relevant to define KBQs after identifying the stakeholders? Each...
Data Strategy
Last answered: Mar 10th 2023
1365 views
VIGNESH C
0
1
Doubt regarding a code
def two(l):   for ch in l:     a=0     a+=1     if ch[a]+ch==10:    ...
Python Programmer Bootcamp
Last answered: Nov 7th 2022
1062 views
Priyen Shah
2
0
Standarization of a normal distribution
Hi team, Can you explain a little bit in detail about the concept of standarisation of the normal distribution? I...
Statistics
1789 views
Vishal Pagar
0
1
Resolved: Problem facing for Final Exam in the Data Scientist Career Track
Dear Ma'am, I have completed all the required course exams for unlocking the Final Exam in the Data Scientist...
Last answered: Nov 18th 2022
1295 views
Bhaskar Jha
1
0
Why in whole infographic, and section of How using what tools, the software of ML not discussed 😅?
Why
Introduction to Data and Data Science
1120 views
Saad
0
2
Tableau alternative please
Kindly can you suggest tableau alternative for linux users
The Complete Data Visualization Course with Python, R, Tableau, and Excel
Last answered: Nov 7th 2022
1282 views
Louis du Plessis
0
1
Resolved: 365 Data Science Resources for Projects?
I would just like to ask if any of the resources made available through website may be used for potential portfolio...
Last answered: Nov 7th 2022
1039 views
T. Serghides
0
0
Are the lectures and the code in the lectures printed somewhere? If so, where? Thank you.
If the lectures and especially the code are available then that will save us a lot of time.  The code is...
Introduction to R Programming
1049 views
MD. JAHID HASAN
0
2
Resolved: ERROR CODE 1064 MYSQL
How to Solve purchase_number IS NOT NULL PRIMARY KEY AUTO_INCREMENT, this line is showing after execution
SQL
Last answered: Nov 7th 2022
1204 views
Yamlak
0
1
Resolved: adding dummies after standardization
I was wondering what will happen if we add the dummies after standardizing?
Machine Learning in Python
Last answered: Nov 7th 2022
1072 views
Nursultan Toksanbayev
2
1
Calculating accuracy by not using test data
Why you are not using test data instead of validation data to calculate an accuracy? If you are not using test data,...
Convolutional Neural Networks with TensorFlow in Python
Last answered: Nov 17th 2022
1221 views
Eduardo Avila Milán
2
0
Data Governance
The components or characteristics  are right , howewer the DG definition is wrong  DG: Exercise  as...
Data Strategy
1030 views
mayur sharma
1
1
computer science
b. Write a SQL query that calculates the average cost of movies in each genre and displays it together with the movie...
SQL
Last answered: Nov 11th 2022
1016 views
Seth
2
0
Mac alt command alternatives?
I use a mac and none of the alt commands work. Any work arounds? Thanks
Introduction to Excel
1834 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