Data Science Tutorials

This tutorial explores time series resampling in pandas, covering both upsampling and downsampling techniques using methods like .asfreq() and .resample().

In Python, timedelta is a data type within the datetime module used to represent durations or differences between two points in time.

Applying data validation in Excel is simple: Open the 'Data' tab. Go to the 'Data Tools' group. Click on the 'Data Validation' button.

Review three methods to add comments in SQL: single-line comments, multiline comments, and inline comments using the following syntax: --, /*, and */.

Learn about the Tableau Desktop and Tableau Server Architectures. Understand the core framework and data layers for advanced data management and insightful analytics.

Learn the statistical concept of correlation, and follow along in calculating and interpreting correlations for a sample dataset, in a step-by-step tutorial.

Learn about NoSQL databases - why NoSQL, how they differ from relational databases, the different types, and design your own NoSQL database using MongoDB.

Cohere offers powerful large language models for various language tasks through their user-friendly Playground or API.

We'll fine-tune Llama 3 on a dataset of patient-doctor conversations, creating a model tailored for medical dialogue. After merging, converting, and quantizing the model, it will be ready for private local use via the Jan application.

Run LLaMA 3 locally with GPT4ALL and Ollama, and integrate it into VSCode. Then, build a Q&A retrieval system using Langchain and Chroma DB.

Dijkstra's algorithm helps find the shortest route between two points in a network, like finding the quickest path on a map, by checking and updating distances step-by-step.

Learn about SQL DDL commands and how they help define and manage the structure of database objects.