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When I started learning Data Analysis a few years ago, the first thing I learned was SQL and Pandas. As a data analyst, it is crucial to have a strong foundation in working with SQL and Pandas. Both are powerful tools that help data analysts efficiently analyze and manipulate stored...
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SQL joins are fundamental operations used to combine data from multiple tables based on common columns. A solid understanding of SQL joins is crucial for effective querying and data manipulation. In this article, we will explore the various types of joins, their practical usage, and important considerations when using them....
In machine learning, the bias-variance trade-off is a fundamental concept affecting the performance of any predictive model. It refers to the delicate balance between bias error and variance error of a model, as it is impossible to simultaneously minimize both. Striking the right balance is crucial for achieving optimal model...
Dictionaries are a very powerful, Pythonic way to store data. They allow us to associate a key with a value, and access them as needed. This makes it easy to store data where, for example, we need to associate a string with a number. For instance, if we need to...
When developing a large application, it is always a good idea to break it down into smaller components to make the code easier to read, structure, and maintain. Most Vue beginners understand what components are at least conceptually, but they might not understand what they can and cannot do fully....
When creating a website or web application, especially if they feature a lot of templated content (such as a grid or list of items belonging to a category) - it's generally a good idea to divide it into pages to reduce the number of items that appear on the screen...
The switch statement is a powerful and convenient tool for controlling the flow of your program. It allows you to quickly and easily create multiple branches of code, depending on the value of a given variable or expression. It's commonly used when you need to execute different logic depending on...
Whether you're building a verification script for user input, a login form that requests users to include a character in a password - checking whether a string contains a character isn't an uncommon operation. In this tutorial - we'll take a look at the many ways you can check whether...
In bash scripts, assigning the output of a command to variables can be convinient by storing the outputs of the commands and using them later. In this short guide, we will take a look at how you can store the output of a command as a variable in Bash. The...
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