The smart firefighting IoT remote monitoring system for urban areas has completed its third phase of construction, achieving comprehensive coverage of 206 connected units. Leveraging Lian Technology’s mature hardware sensing devices and data processing capabilities, the system can monitor key information in real-time, such as the status of firefighting facilities and the duty of the … Read more
It’s useful. In my junior year, our school opened a new course called Intelligent Financial Decision Making. So far, I’ve learned to use Python for plotting (line charts, pie charts, etc.) and accounts receivable aging analysis, which is quite torturous, haha. I’m using it now because I need some Excel premium features, and I don’t … Read more
When student feedback through the principal’s mailbox is transformed into systematic research data using professional technology, and the programming and data analysis knowledge learned in class becomes a practical tool for addressing campus pain points—students from Jinzhong Information College’s simulated political consultative conference association are innovatively exploring a new model of “professional technology + campus … Read more
Open Source! An IoT-based energy consumption monitoring system for campuses, completely free, supports real-time collection, transmission, and visualization analysis of energy such as water, electricity, and gas. The hardware is centered around the ESP32, connecting to water flow sensors, current sensors, and gas flow sensors, communicating with the backend via MQTT over WiFi. The backend … Read more
Today, I bring you the K-means clustering in MATLAB, which is a powerful tool in MATLAB that can automatically segment data into meaningful groups. Recently, I’ve been quite busy and tired, and with the weather getting colder, I feel less inclined to exercise. rng(42); % Set random seed % Generate three different distributed datasets PntSet1 … Read more
When it comes to mathematics, many people feel intimidated—whether it’s struggling to calculate discounts at the supermarket, getting confused while measuring areas for home renovations, or worrying about budgeting for a trip with a pile of numbers. However, mathematics is not as scary as it seems, and Python is not just for programmers. This simple … Read more
Python has become one of the most competitive programming languages in today’s job market due to its concise and elegant syntax, powerful ecosystem, and wide range of applications. Whether you aspire to be a backend engineer, data analyst, automation engineer, or an expert in the AI field, Python offers a clear path. This article will … Read more
Click the blue text to follow us NumPy is an important tool for data analysis. It helps us process large amounts of data quickly and efficiently. By using the functions provided by NumPy, we can easily perform data cleaning, data transformation, data aggregation, and data visualization. 1. Data Cleaning 2. Data Transformation 3. Data Aggregation … Read more
1. Founding Time and Standardization Founding Time：The CSV format originated in 1972, first implemented by the IBM Fortran compiler team in the OS/360 system.The standardized version was formally defined in RFC 4180 (October 2005). Core Contributors： IBM Fortran Team：Original implementation team Y. Shafranovich：Main author of RFC 4180 Community Collaboration：The widespread adoption of database and spreadsheet … Read more
