Samouczki z analizy danych

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.

Explore various techniques to efficiently handle missing values and their implementations in Python.

Write your first bash script and learn the essentials: variables, functions, loops, and conditionals with working code examples.