Samouczki z analizy danych

Learn the most popular unified platform for big data analytics - Databricks. The tutorial covers the seven core concepts and features of Databricks and how they interconnect to solve real-world issues in the modern data world.

Dive into our detailed Alteryx tutorial and learn how this powerful data analytics tool can transform your data handling experience. This guide covers everything from installation to advanced workflow automation in Alteryx, making it the perfect resource for beginners and seasoned data professionals alike.

Learn how to use Power BI for predictive analytics and create your first model in Power BI.

Learn how to easily select multiple columns from a database table in SQL, or select all columns from a table in one simple query.

A comprehensive visual guide into skewness/kurtosis and how they effect distributions and ultimately, your data science project.

Learn how to use the ydata-profiling library in Python to generate detailed reports for datasets with many features.

Learn how to use ggplot2 in R to create compelling visualizations of climate change data. This step-by-step tutorial teaches you to find, analyze, and visualize historical weather data.

Uncover the intricacies of non-linear models in comparison to linear models. Learn about their applications, limitations, and how to fit them using real-world data sets.

One table to rule them all: simplify, scale, and supercharge your NoSQL database!

Learn how to perform t-tests in Python with this tutorial. Understand the different types of t-tests - one-sample test, two-sample test, paired t-test, and Welch’s test, and when to use them.

Determine if there is a significant difference between the means of the two groups using t.test() in R.

Learn about IF and CASE statements in Tableau and explore how to use these logical functions to conditionally transform and visualize data.