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Recent Posts

Post

January 8, 2021

Setting up a Python Environment for Machine Learning and Data Science with Conda Virtual Environment and Jupyter Notebook in MacOS and Windows

January 8, 2021

Fully Remove Python and Install a Fresh Python in MacOS and Windows

January 1, 2021

The itertools and functools in Python

September 1, 2020

Developing R Packages using devtools

May 30, 2020
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    categories

  • data_science_and_data_mining 27
  • java 9
  • information_system 5
  • game_development 4
  • jbread 4
  • web_development 3
  • database 2
  • bash 1
  • data_science_and_data_mining 27

    • Setting up a Python Environment for Machine Learning and Data Science with Conda Virtual Environment and Jupyter Notebook in MacOS and Windows
    • Fully Remove Python and Install a Fresh Python in MacOS and Windows
    • The itertools and functools in Python
    • Developing R Packages using devtools
    • Data Integrity in Database Three Integrity Constraints
    • Transform Categorical Data to Binary Matrix in R
    • R Tutorial: Using Data Frame in R
    • A Beginner Guide to String Pattern Matching in R by Regular Expression: An Example of Text Cleaning
    • A Beginner Guide to String Pattern Matching in R by Regular Expression: Grouping and String Replacement
    • Make Database Connection & Run SQL in RMarkdown
    • A Beginner Guide to Association Rules Visualization - Minimum Support
    • A Beginner Guide to Association Rules Visualization - Quality Measures
    • A Guide to Association Rules in R - Part 4 Rule Generation in arules
    • A Guide to Association Rules in R - Part 3 Generate Frequent Itemsets in arules
    • A Guide to Association Rules in R - Part 2 Read Market Basket Data in arules
    • A Guide to Association Rules in R - Part 1 The Transactions Class in arules
    • A Beginner Guide to String Pattern Matching in R by Regular Expression Part 2 Examples
    • A Beginner Guide to String Pattern Matching in R by Regular Expression Part 1
    • A Beginner Guide to String Pattern Matching in R by Regular Expression Part 1-1
    • Measuring Uncertainty by Calculating Shannon Entropy
    • Building and Evaluating a Predictive Model w/ Linear Regression in RapidMiner Studio
    • Building a RapidMiner Process with Linear Regression Model
    • A Pipeline of Practical Predictive Learning
    • Linear Regression Analysis
    • Data Binning and Plotting in R
    • Outlier Detection by Data Visualization with Boxplot
    • Univariate Graphics in R
  • java 9

    • Installing NetBeans IDE on a Portable Drive
    • Installing Java JDK in Windows and MacOS
    • Processing Collections with Java Streams
    • Creating Java Application in IDE
    • Packaging Java Application in a JAR
    • What is a CLI (Command-Line Interface) based Application in Java?
    • Unit Testing with JUnit
    • A Quick Example of Class Instantiation in Java with NEW
    • A Quick Guide to Classes, Instances, Properties and Methods in Java
  • information_system 5

    • Implementing Superclass and Subclass in Java
    • Implementing Superclass and Subclass with Python
    • A Design Pattern: The Factory Method
    • Creating a MySQL Database in NetBeans IDE
    • A Guide: Registering MySQL Server in NetBeans
  • game_development 4

    • HTML5 Game Development with Phaser2 - Part 4
    • HTML5 Game Development with Phaser2 - Part 3
    • HTML5 Game Development with Phaser2 - Part 2
    • HTML5 Game Development with JavaScript Phaser2
  • jbread 4

    • Part 3 Why Making Bread by Yourself? Why not Using a Bread Machine?
    • Part 2 Why Making Bread by Yourself? Why not Using a Bread Machine?
    • Part 1 Why Making Bread by Yourself? Why not Using a Bread Machine?
    • Why Making Bread by Yourself? Why not Using a Bread Machine? Introduction
  • web_development 3

    • The First Hour in Web Programming
    • Accessing Databases Using PHP
    • Developing PHP Application in NetBeans IDE
  • database 2

    • Accessing Databases with JDBC
    • What is a Database Driver? Access Database in VS Code. R. Python. Java
  • bash 1

    • rm fts_read failed? Remove Non-empty Directory in Bash
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