Data Science Tutorials
Develop your data science skills with tutorials in our blog. We cover everything from intricate data visualizations in Tableau to version control features in Git.
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How to Use the XLOOKUP Excel Function with Multiple Criteria
This tutorial discusses the purpose and syntax of the XLOOKUP Excel function, its advantages concerning its predecessors, the two main ways of using XLOOKUP with multiple criteria including their pros and cons, extending functionality through the optional parameters, and the way of running a similar search in older Excel versions.
Elena Kosourova
April 12, 2024
Sorting Data in R
How to sort a data frame in R.
DataCamp Team
April 10, 2024
Serving an LLM Application as an API Endpoint using FastAPI in Python
Unlock the power of Large Language Models (LLMs) in your applications with our latest blog on "Serving LLM Application as an API Endpoint Using FastAPI in Python." LLMs like GPT, Claude, and LLaMA are revolutionizing chatbots, content creation, and many more use-cases. Discover how APIs act as crucial bridges, enabling seamless integration of sophisticated language understanding and generation features into your projects.
Moez Ali
April 12, 2024
Power BI RELATED DAX Function: Introduction and Use Cases
Learn how to use the RELATED DAX function in Power BI to simplify data modeling and build insightful reports.
Joleen Bothma
April 28, 2024
Layout and combining plots in R
Learn how to combining multiple plots in R into one graph with either the par() or layout() functions. This page includes coding examples.
DataCamp Team
January 29, 2024
Operators in R
Learn how to use arithmetic and logical operators in R. These binary operators work on vectors, matrices, and scalars.
DataCamp Team
March 3, 2024
Writing Custom Context Managers in Python
Learn the advanced aspects of resource management in Python by mastering how to write custom context managers.
Bex Tuychiev
April 12, 2024
Scatterplot in R
Learn how to create a scatterplot in R. The basic function is plot(x, y), where x and y are numeric vectors denoting the (x,y) points to plot.
DataCamp Team
March 31, 2024
Axes and labels in R
Improve your graphs in R with titles, text annotations, labelling of points, minor tick marks, reference lines, custom axes, and a chart legend.
DataCamp Team
February 21, 2024
How to Improve RAG Performance: 5 Key Techniques with Examples
Explore different approaches to enhance RAG systems: Chunking, Reranking, and Query Transformations.
Eugenia Anello
April 12, 2024
How to Transpose a Matrix in R: A Quick Tutorial
Learn three methods to transpose a matrix in R in this quick tutorial
Adel Nehme
April 12, 2024
How to Create a Waterfall Chart in Tableau
Enhance your data analysis skills and learn how to build and customize a waterfall chart in Tableau
Eugenia Anello
April 26, 2024