C/C++ Linear Regression Tutorial Using Gradient Descent
In the field of machine learning and data mining, the Gradient Descent is one simple but effective prediction algorithm based on linear-relation data. It can be used to make …
The K Nearest Neighbor Algorithm (Prediction) Demonstration by MySQL
The K Nearest Neighbor (KNN) Algorithm is well known by its simplicity and robustness in the domain of data mining and machine learning. It is actually a method based …
How to Define Inheritable Record/Structure in Delphi (Object Pascal)?
In Delphi (Object Pascal), you can use the record keyword to define a C-like structure. For example, type data = record key: string; value: integer; end; It is interesting …
How to Generate 100K Test Data to MySQL Database?
If you want to test the performance of the SQL statements or just want to test the Database performance, you will need to generate lots of records in a …
How to Compute Minkowski, Euclidean and CityBlock Distance in C++?
Given a number of coordinates (could be any dimensions, but for simplicity we use 2 dimension X/Y coordinates for demonstration), you can get the ‘central’ point by averaging all …
How to Compute the Power of Arbitrary Base without Loops in C/C++?
If we want to compute , and if the y is integer, we can easily do this using a straigtforward loop O(n), or a O(logn) approach. However, if the …