Artificial Intelligence Image
DataScience
Python

3 ways to do dimensionality reduction techniques in Scikit-learn

Dimensionality reduction techniques are used to extract informative features that could be used for later learning, etc. Tested PCA, MDS and t-SNE for the breast cancer dataset.

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AWS

AWS Aurora Global database deploy with CloudFormation

AWS Aurora global databases support both high availability and scalability in a cross region fashion. Here’s the rough guide how to deploy clusters in CloudFromation.

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DataScience
Python
Statistics

Scikit-learn LinearRegression vs Numpy Polyfit

What are differences between linear regression and polynomial regression? We must know these techniques well but it is still vague somewhat.

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DataScience
Python
Statistics

What are standarization and normalization? Test with iris data set in Scikit-learn

Standarization and normalization are essential techniques to apply your data set before using classifiers in some cases. I tested both with iris data set.

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Analytics Image
Python
Statistics

3 ways to do test of normality with Scipy library in Python

This is the rough guide how to do test of normality for dataset by leveraging Scipy library. I used probplot, the Shapiro-Wilk test and skewness, kurtosis.

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Crypto
DataScience
Python

Coefficient of variation to compare your crypto assets

This guide shows how to obtain crypto data via CoinGecko API and calculate the coefficient of variation that is a statistical measure of the dispersion of data points.

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Cloud Service Image
AWS

Beginner Tutorial: cloud-init in AWS

cloud-init is an industry standard tool to initialize instance with cross-platform and multi-distribution characteristics. Explains how it works in AWS.

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Cloud Service Image
AWS

AWS S3 cross region replication with AES256 encryption

S3 cross region replication is a useful feature to cope with company’s compliance and meet DR/BCP demands. This is how to configure in cloudformation.

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Blockchain Image
Blockchain
Solidity

How to send a transaction of smart contract in Ethereum

Introduction of how to write a Javascript code to generate and sign a transaction, also do the same in ganache-cli tool to interact with the deployed contracts.

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Container Image
AWS
Container

Beginner Tutorial: Docker Machine on EC2 host in AWS

Docker Machine is a tool that lets you install Docker software on virtual machines or remote cloud platforms easily. This is the beginner’s guide for the tool.

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