2020.01.18(pm): Feature Selection and Dimension reduction

Feature Engineering Feature engineering is the process of using domain knowledge of the data to create features that make machine learning algorithms work. Feature engineering is fundamental to the application of machine learning, and is both difficult and expensive. The need for manual feature engineering can be obviated by automated feature learning(from : https://en.wikipedia.org/wiki/Feature_engineering ) …

2020.01.01.(pm): Statistical analysis using pandas

1. pandas features pandas has the following characteristics: Easy handling of missing values Create data with automatic and explicit label position Data-intensive Advanced label-based slicing, extraction, and subset of large datasets Intuitive Dataset Combination Flexible transformation and transformation of datasets Descriptive labeling of axes Powerful I / O corresponding to various data formats Inherent Processing …

2019.12.16(pm): How to Change Jupyter notebook Initial Path Settings

When using the Jupyter notebook, the initial path is often C: \ Users \ USERNAME. In this case, It is difficult to manage python code, and C drives become a mess. So users run Jupyter notebook, go to Desktop, create a new folder and work on it. Because doing this repetitive task every time is …

2019.12.15(pm): Virtual Environment Management with Anaconda

If you are using anaconda, you will see that the command is set to base and root. Virtual environment management is essential and important when using Python. Today, let’s look at how to create and manage virtual environments in Anaconda. Here are the commands: To check your Python version, use the bleow command to check …