• Tutorials

    Hands-on tutorials in Statistics, Python, R, SQL, Tableau, Excel, Machine Learning, Deep Learning, and Time Series Analysis.

    Featured Posts

    Overfitting vs. Underfitting: What Is the Difference?

    Machine Learning Tutorials

    Overfitting vs. Underfitting: What Is the Difference?

    What are overfitting and underfitting? Learn about the difference between the two through a practical regression and classification example. Start now!

    by The 365 Team
    5 min read
    What Is Cross-Entropy Loss?

    Machine Learning Tutorials

    What Is Cross-Entropy Loss?
    by The 365 Team
    3 min read
    Types of Machine Learning

    Machine Learning Tutorials

    Types of Machine Learning
    by Iliya Valchanov
    5 min read
    What Is Cluster Analysis?

    Machine Learning Tutorials

    What Is Cluster Analysis?
    by Iliya Valchanov
    6 min read

    Browse by category

    Statistics Tutorials
    Python Tutorials
    SQL Tutorials
    R Tutorials
    Tableau Tutorials
    Machine Learning Tutorials
    Time Series Analysis Tutorials
    Excel Tutorials

    Statistics Tutorials

    Read All
    Population vs Sample

    Statistics Tutorials

    Population vs Sample
    by Iliya Valchanov
    3 min read
    What is a Distribution in Statistics?

    Statistics Tutorials

    What is a Distribution in Statistics?
    by Iliya Valchanov
    3 min read
    Mean, Median and Mode

    Statistics Tutorials

    Mean, Median and Mode
    by Iliya Valchanov
    4 min read

    Python Tutorials

    Read All
    Why Learn Python in 2022?

    Python Tutorials

    Why Learn Python in 2022?
    by The 365 Team
    6 min read
    What Are the Best Python Jobs to Pursue in 2021?

    Python Tutorials

    What Are the Best Python Jobs to Pursue in 2021?
    by Ned Krastev
    7 min read
    How to Perform Data Wrangling with Python?

    Python Tutorials

    How to Perform Data Wrangling with Python?
    by The 365 Team
    3 min read

    SQL Tutorials

    Read All
    DCL In a Nutshell: A Brief Look into the SQL Data Control Language

    SQL Tutorials

    DCL In a Nutshell: A Brief Look into the SQL Data Control Language
    by Martin Ganchev
    5 min read
    A Beginner’s Guide to DML in SQL

    SQL Tutorials

    A Beginner’s Guide to DML in SQL
    by Martin Ganchev
    4 min read
    Getting Started with DDL in SQL: A Brief Overview

    SQL Tutorials

    Getting Started with DDL in SQL: A Brief Overview
    by Martin Ganchev
    4 min read

    R Tutorials

    Read All
    Histogram in R: How to Make a GGPlot2 Histogram?

    R Tutorials

    Histogram in R: How to Make a GGPlot2 Histogram?
    by Elitsa Kaloyanova
    7 min read
    How To Make a GGPlot2 Scatter Plot in R?

    R Tutorials

    How To Make a GGPlot2 Scatter Plot in R?
    by Elitsa Kaloyanova
    7 min read

    Tableau Tutorials

    Read All
    How to Display Totals in Tableau?

    Tableau Tutorials

    How to Display Totals in Tableau?
    by Viktoria Hristova
    5 min read
    How to Create Custom Fields in Tableau?

    Tableau Tutorials

    How to Create Custom Fields in Tableau?
    by Viktoria Hristova
    5 min read
    How to Create a Table in Tableau?

    Tableau Tutorials

    How to Create a Table in Tableau?
    by Viktoria Hristova
    5 min read

    Machine Learning Tutorials

    Read All
    Introduction to Decision Trees: Why Should You Use Them?

    Machine Learning Tutorials

    Introduction to Decision Trees: Why Should You Use Them?
    by The 365 Team
    6 min read
    What Is Xavier Initialization?

    Machine Learning Tutorials

    What Is Xavier Initialization?
    by The 365 Team
    8 min read
    Overfitting vs. Underfitting: What Is the Difference?

    Machine Learning Tutorials

    Overfitting vs. Underfitting: What Is the Difference?
    by The 365 Team
    5 min read

    Time Series Analysis Tutorials

    Read All
    Time Series Analysis: A Quick Introduction with Examples

    Time Series Analysis Tutorials

    Time Series Analysis: A Quick Introduction with Examples
    by Randy Rosseel
    7 min read
    Time Series Forecasting in Python: A Quick Practical Guide

    Time Series Analysis Tutorials

    Time Series Forecasting in Python: A Quick Practical Guide
    by Viktor Mehandzhiyski
    7 min read
    What Is an ARMA Model?

    Time Series Analysis Tutorials

    What Is an ARMA Model?
    by Viktor Mehandzhiyski
    4 min read

    Excel Tutorials

    Read All
    VLOOKUP COLUMN and ROW: Handle large data tables with ease

    Excel Tutorials

    VLOOKUP COLUMN and ROW: Handle large data tables with ease
    by Marta Teneva
    5 min read
    VLOOKUP and MATCH another useful Excel functions combination

    Excel Tutorials

    VLOOKUP and MATCH another useful Excel functions combination
    by Ned Krastev
    2 min read
    INDIRECT Excel Function: how to apply it and combine it with VLOOKUP

    Excel Tutorials

    INDIRECT Excel Function: how to apply it and combine it with VLOOKUP
    by Ned Krastev
    5 min read

    Ready to Start Learning?

    Choose your career track, build in-demand skills, and land a job in data science.

    Start Your Career