Quick R Tutorial – How to Plot Sigmoid Function using R?
The R programming language is designed for statistic computing, and has drawn much attentions due to the emerging interests of Big Data, Data Mining and Machine Learning. It is …
How to Make SQL Insert Statement Simply Faster?
If you have lots of rows to insert into a MySQL table, you might experience it taking ages to complete. For example, I have around 100K rows to insert …
How to Use Naive Bayes to Make Prediction (Demonstration via SQL) ?
The prediction algorithms in the domain of machine learning are all about the probability. The probability is how we represent the likelihood for an event to occur. It is …
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 …