The Compound Annual Growth Rate (CAGR) is a useful measure to understand the growth of an investment over time. How do I calculate CAGR in Google Sheets? π To calculate CAGR in Google Sheets, use the following formula: (Ending Value/Starting Value)Λ(1/Number of Years) – 1 Step 1: Input Your Start and End Values In column … Read more
Problem Formulation You’re given a number. How do you check if the number lies between two numbers, i.e., a numeric range? When you check if a number lies between two other numbers it returns a boolean that determines if the number is greater than or equal to the minimum number and also less than or … Read more
In this tutorial, you’ll learn how to generate synthetic data that follows a power-law distribution, plot its cumulative distribution function (CDF), and fit a power-law curve to this CDF using Python. This process is useful for analyzing datasets that follow power-law distributions, which are common in natural and social phenomena. Prerequisites Ensure you have Python … Read more
To generate random samples from a power-law distribution in Python, use the numpy library for numerical operations and matplotlib for visualization. Here’s a minimal code example to generate and visualize random samples from a power-law distribution: First, we import the necessary libraries: numpy for generating the power-law distributed samples and matplotlib.pyplot for plotting. The a … Read more
Calculate the compound annual growth rate (CAGR) right here: π Calculate CAGR π The compound annual growth rate of your investment is: π‘ The Compound Annual Growth Rate (CAGR) is a useful measure that provides a smoothed annual rate of return of an investment, asset, or business metric over a specified time period. Unlike simple … Read more
π‘ Problem Formulation: How does one paste a string that has been copied to the clipboard into their Python program? For instance, if a user has copied “Hello, World!” to the clipboard, how can the program retrieve that text and use it within the Python script? Method 1: Using the Pyperclip Module The Pyperclip module … Read more
π‘ Problem Formulation: You’re working on a Tkinter application and need to display tabular data within a text widget for editing purposes. Ideally, you want users to interact with a table as they would in a spreadsheet. The input is a dataset, perhaps a list of lists, and the desired output is a graphical table … Read more
π‘ Problem Formulation: This article provides solutions to the common task of prompting a user to select a directory from which a Python script can read files. The aim is to enable file processing or analysis based on user-selected content. For instance, input could be the user’s selection of a ‘Photos’ folder and the desired … Read more
π‘ Problem Formulation: When working with graphical user interfaces in Python, developers may need to obtain file paths from users through dialogs. The popular library Tkinter provides a module named filedialog for this purpose. This article explains how to use the tkinter.filedialog module to get a file path as a string, which is essential for … Read more
π‘ Problem Formulation: When working with Python’s Tkinter library, you might encounter a situation where you have multiple windows open, and you want to close just the top-level one without terminating the entire application. This is especially common in GUI applications where multiple dialogs or child windows are involved. How do you close only the … Read more
Exporting Data from Tkinter Entry Fields to a CSV File in Python π‘ Problem Formulation: Python developers often use the Tkinter library to build graphical user interfaces (GUIs) for their applications. An instance where this is particularly useful is when users need to input data through a form, and then developers need to collect and … Read more
π‘ Problem Formulation: When developing a desktop application in Python, you might want to create a Graphical User Interface (GUI) that is not only functional but also has an appealing design. Tkinter, Python’s standard GUI toolkit, offers a simple method to create GUI elements such as buttons, labels, and text boxes. The goal is to … Read more